The Big Bang Theory: The Complete Series
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Description
Leonard and Sheldon are brilliant physicists, the kind of "beautiful minds" that understand how the universe works. But none of that genius helps them interact with people, especially women. All this begins to change when a free-spirited beauty named Penny moves in next door.
Episodes
Pilot
Season 1: Episode 1CCHD
In the series premiere, when Leonard and Sheldon meet Penny, Leonard is immediately interested in her. But Sheldon feels his friend is chasing a dream he'll never catch.
1. Pilot22 Min9/24/2007$2.99
The Big Bran Hypothesis
Season 1: Episode 2CCHD
After Leonard tries to do a favor for Penny, Sheldon ruins the plan. Leonard volunteers to sign for a package, hoping to make a good impression on Penny. However, when he involves his obsessive-compulsive roommate, Leonard sees his attempt at chivalry go horribly awry.
2. The Big Bran Hypothesis21 Min9/24/2007$2.99
The Fuzzy Boots Corollary
Season 1: Episode 3CCHD
Two brainy best friends could tell you anything you want to know about quantum physics but when it comes to dealing with everyday life here on Earth, they're lost in the cosmos.
3. The Fuzzy Boots Corollary22 Min9/24/2007$2.99
The Luminous Fish Effect
Season 1: Episode 4CCHD
After being fired from his job, Sheldon attempts to explore the "dreadful" life beyond physics. But his initial thrill of shopping with Penny devolves over time to him weaving ponchos as a shut-in, forcing Leonard to call on Sheldon's mother, Mary (LAURIE METCALF - "Roseanne").
4. The Luminous Fish Effect20 Min9/24/2007$2.99
The Hamburger Postulate
Season 1: Episode 5CCHD
After sensing that his pursuit of Penny isn't going anywhere, Leonard agrees to unexpected sexual encounter with fellow scientist Leslie Winkle (recurring guest star SARA GILBERT).
5. The Hamburger Postulate20 Min9/24/2007$2.99
The Middle Earth Paradigm
Season 1: Episode 6CCHD
The socially stunted guys are nervous when Penny invites them to a party she's hosting. But they are ecstatic to find out that it's a Halloween party and enthusiastically don their respective nerdy costumes, which unfortunately fail to impress Penny's brutish ex-boyfriend. Afterwards, Koothrappali experiences the unexpected with a partygoer, Cheryl (ERIN ALLIN).
6. The Middle Earth Paradigm21 Min9/24/2007$2.99
The Dumpling Paradox
Season 1: Episode 7CCHD
When Wolowitz seduces Penny's friend and ends up sleeping with her in Penny's apartment, Penny sleeps on Leonard and Sheldon's couch. Meanwhile, with Wolowitz occupied, the guys discover that they are without a fourth member of their group. In desperation, they ask Penny to join one of their two-person Halo teams.
7. The Dumpling Paradox21 Min9/24/2007$2.99
The Grasshopper Experiment
Season 1: Episode 8CCHD
Koothrappali becomes overwhelmed when his parents arrange a blind date for him, but he discovers he actually can talk to a member of the opposite sex after a few drinks. However, complications arise when his beautiful date shows more interest in Sheldon.
8. The Grasshopper Experiment20 Min9/24/2007$2.99
The Cooper-Hofstadter Polarization
Season 1: Episode 9CCHD
Sheldon and Leonard are invited to present their joint findings at a physics conference, but Sheldon refuses. Penny steps in to mediate, but this only deepens the rift between the two best friends.
9. The Cooper-Hofstadter Polarization19 Min9/24/2007$2.99
The Loobenfeld Decay
Season 1: Episode 10CCHD
After hearing Penny sing, Leonard lies to avoid seeing her perform. Sheldon goes one step further with a more elaborate lie, leading to the appearance of his nonexistent cousin. D.J. QUALLS ("Road Trip") guest stars.
10. The Loobenfeld Decay20 Min9/24/2007$2.99
The Pancake Batter Anomaly
Season 1: Episode 11CCHD
When Sheldon gets sick, Leonard and the boys know what is in store for them and avoid him like the plague; this leaves an unsuspecting Penny to nurse the world's worst patient back to health.
11. The Pancake Batter Anomaly22 Min9/24/2007$2.99
The Jerusalem Duality
Season 1: Episode 12CCHD
When Leonard and Sheldon meet a 15-year-old physics prodigy, Sheldon is distraught that this boy genius is younger and smarter. In an attempt to restore a sense of purpose, the boys come up with a solution to derail the young prodigy's research.
12. The Jerusalem Duality20 Min9/24/2007$2.99
The Bat Jar Conjecture
Season 1: Episode 13CCHD
The guys decide to compete in the university's Physics Bowl, but since Sheldon's only focus is to prove his mental superiority, the guys kick him off the team. To take his spot, they enlist his nemesis Leslie Winkle (recurring guest star SARA GILBERT).
13. The Bat Jar Conjecture21 Min9/24/2007$2.99
The Nerdvana Annihilation
Season 1: Episode 14CCHD
When Leonard and the guys buy a time-machine prop from a classic 1960 movie, its arrival creates problems for Penny, and she tells the boys that their obsession with comics and toys is "pathetic."
14. The Nerdvana Annihilation20 Min9/24/2007$2.99
The Porkchop Indeterminacy
Season 1: Episode 15CCHD
Leonard, Wolowitz, and Koothrappali all become smitten with Sheldon's twin sister, Missy (guest star COURTNEY HENGGELER), and Leonard devises a plan to eliminate his rivals.
15. The Porkchop Indeterminacy21 Min9/24/2007$2.99
The Peanut Reaction
Season 1: Episode 16CCHD
When Penny learns that Leonard doesn't celebrate birthdays, she attempts to throw him a surprise party; she is sidetracked by Sheldon, however, who unexpectedly gets to live out one of his greatest fantasies at an electronics store.
16. The Peanut Reaction19 Min9/24/2007$2.99
The Tangerine Factor
Season 1: Episode 17CCHD
When Penny breaks up with her boyfriend, Leonard finally gets up the courage to ask her out on a real date. When she says yes, each seeks the "wisdom" of a reluctant advisor -- Sheldon.
17. The Tangerine Factor20 Min9/24/2007$2.99
The Bad Fish Paradigm
Season 1: Episode 18CCHD
In the second season premiere, after her first date with Leonard goes awry, Penny finds an unwilling confidant in Leonard's anti-social roommate, Sheldon.
18. The Bad Fish Paradigm21 Min9/24/2007$2.99
The Codpiece Topology
Season 1: Episode 19CCHD
Penny and Leonard compete to see who will be the first to move on after their breakup. When Leonard sees Penny with a handsome new guy (guest star TRAVIS SCHULDT Scrubs), he enters into a rebound relationship with Sheldon's nemesis, Leslie Winkle (series regular SARA GILBERT).
19. The Codpiece Topology21 Min9/24/2007$2.99
The Barbarian Sublimation
Season 1: Episode 20CCHD
Sheldon creates a monster when he introduces Penny to the world of online gaming. Especially when her addiction wreaks havoc on his life.
20. The Barbarian Sublimation21 Min9/24/2007$2.99
The Griffin Equivalency
Season 1: Episode 21CCHD
Rajs ego puts all of his friendships in jeopardy when he gets an inflated sense of self. Newly famous because of an article in a magazine, Raj (series regular KUNAL NAYYAR) makes a disastrous play for Leonards longtime crush, Penny.
21. The Griffin Equivalency21 Min9/24/2007$2.99
The Euclid Alternative
Season 1: Episode 22CCHD
Leonard and his friends stage an intervention to make Sheldon confront his longstanding fear of driving.
22. The Euclid Alternative20 Min9/24/2007$2.99
The Cooper-Nowitzki Theorem
Season 1: Episode 23CCHD
A young grad students attraction to Sheldon confuses everyone including Sheldon himself.
23. The Cooper-Nowitzki Theorem21 Min9/24/2007$2.99
The Panty Pinata Polarization
Season 1: Episode 24CCHD
Sheldon and Penny engage in a battle of wills as Penny vows to get revenge on Sheldon when he bans her from the apartment for a series of petty infractions.
24. The Panty Pinata Polarization21 Min9/24/2007$2.99
The Lizard-Spock Expansion
Season 1: Episode 25CCHD
Wolowitz (series regular SIMON HELBERG) thinks he's found the love of his life (guest star SARA RUE) until she meets Leonard.
25. The Lizard-Spock Expansion20 Min9/24/2007$2.99
The White Asparagus Triangulation
Season 1: Episode 26CCHD
Sheldon can barely contain his joy when Leonard starts dating a woman (SARA RUE) who meets Sheldon's exacting standards.
26. The White Asparagus Triangulation21 Min9/24/2007$2.99
The Vartabedian Conundrum
Season 1: Episode 27CCHD
Leonard just can't say no. When his relationship with new girlfriend, Stephanie starts moving too fast, Leonard turns to Penny for advice.
27. The Vartabedian Conundrum21 Min9/24/2007$2.99
The Bath Item Gift Hypothesis
Season 1: Episode 28CCHD
Leonards handsome colleague starts dating Penny. And Leonards friends are being tormented by Sheldon's obsession with gift-giving etiquette.
28. The Bath Item Gift Hypothesis21 Min9/24/2007$2.99
The Killer Robot Instability
Season 1: Episode 29CCHD
When Pennys comment about Wolowitzs love life sends him into a depressed stupor, his friends lose their most important teammate in an upcoming fighting robot competition.
29. The Killer Robot Instability21 Min9/24/2007$2.99
The Friendship Algorithm
Season 1: Episode 30CCHD
Socially awkward Sheldon develops a scientific procedure for making friends.
30. The Friendship Algorithm21 Min9/24/2007$2.99
The Financial Permeability
Season 1: Episode 31CCHD
Sheldon's "simple" solution to Penny's financial problem leads to a confrontation between Leonard and Penny's hulking ex-boyfriend, Kurt (guest star BRIAN PATRICK WADE).
31. The Financial Permeability21 Min9/24/2007$2.99
The Maternal Capacitance
Season 1: Episode 32CCHD
A disastrous visit from Mrs. Hofstadter (special guest star CHRISTINE BARANSKI) brings Leonard and Penny closer together.
32. The Maternal Capacitance20 Min9/24/2007$2.99
The Cushion Saturation
Season 1: Episode 33CCHD
A paintball game has surprising consequences for Leonard and his friends when it leads to a fight between Penny and Sheldon – and romance for Wolowitz and Leslie.
33. The Cushion Saturation21 Min9/24/2007$2.99
The Terminator Decoupling
Season 1: Episode 34CCHD
A train trip to San Francisco takes a major detour when Leonard, Sheldon, Wolowitz and Raj discover that beautiful sci-fi actress SUMMER GLAU ("Terminator") is onboard.
34. The Terminator Decoupling21 Min9/24/2007$2.99
The Work Song Nanocluster
Season 1: Episode 35CCHD
Penny’s home hair products business becomes a complete nightmare when a caffeine-addled Sheldon takes over.
35. The Work Song Nanocluster20 Min9/24/2007$2.99
The Dead Hooker Juxtaposition
Season 1: Episode 36CCHD
There’s a new queen bee in the building! Penny develops a rivalry with a sexy female neighbor moves in to the building and threatens to become the “new Penny.”
36. The Dead Hooker Juxtaposition20 Min9/24/2007$2.99
The Hofstadter Isotope
Season 1: Episode 37CCHD
While Stuart (guest star KEVIN SUSSMAN), a fellow comic book-loving pal of the guys, romances Penny, Leonard and Wolowitz venture out into the world of "Ladies' Night" at a local bar.
37. The Hofstadter Isotope20 Min9/24/2007$2.99
The Vegas Renormalization
Season 1: Episode 38CCHD
Leonard and Koothrappali take a heartbroken Wolowitz to Las Vegas, leaving Sheldon locked out of his apartment and forced to bunk with Penny.
38. The Vegas Renormalization21 Min9/24/2007$2.99
The Classified Materials Turbulence
Season 1: Episode 39CCHD
Things begin to look up for Leonard when Penny makes a surprising revelation on her second date with Stuart (guest star KEVIN SUSSMAN). Meanwhile, Wolowitz enlists his friends' help when he discovers a critical design flaw in his project for NASA.
39. The Classified Materials Turbulence18 Min9/24/2007$2.99
The Monopolar Expedition
Season 1: Episode 40CCHD
On the second season finale, Leonard and Penny reconsider their feelings for one another. When Leonard and his friends decide to spend the summer working – at the North Pole – Penny is conflicted.
40. The Monopolar Expedition21 Min9/24/2007$2.99
The Electric Can Opener Fluctuation
Season 1: Episode 41CCHD
On the third season premiere, Sheldon (series star JIM PARSONS) flees back to Texas in disgrace when he learns that the guys tampered with his arctic expedition data – forcing his friends to follow him, and threatening Leonard’s (series star JOHNNY GALECKI) hopes for a romantic encounter with Penny (series star KALEY CUOCO).
41. The Electric Can Opener Fluctuation21 Min9/24/2007$2.99
The Jiminy Conjecture
Season 1: Episode 42CCHD
Leonard and Penny struggle to recover from an awkward first hookup, while Sheldon and Howard (SIMON HELBERG) stake their best comic books on a bet to determine an insect species.
42. The Jiminy Conjecture21 Min9/24/2007$2.99
The Gothowitz Deviation
Season 1: Episode 43CCHD
Howard and Raj (series star KUNAL NAYYAR) visit a Goth nightclub to pick up women, while Sheldon attempts to build a better Penny using chocolate-based behavior modification.
43. The Gothowitz Deviation20 Min9/24/2007$2.99
The Pirate Solution
Season 1: Episode 44CCHD
Raj must find a new job or be sent back to India. Sheldon, however, has a solution – which leaves Leonard and Penny dealing with Howard as third wheel.
44. The Pirate Solution21 Min9/24/2007$2.99
The Creepy Candy Coating Corollary
Season 1: Episode 45CCHD
While Sheldon settles a score with his nemesis, Star Trek’s WIL WHEATON (guest starring as himself), Wolowitz begs Leonard to get Penny to set him up with one of her friends.
45. The Creepy Candy Coating Corollary21 Min9/24/2007$2.99
The Cornhusker Vortex
Season 1: Episode 46CCHD
Leonard learns about football from an unlikely tutor.
46. The Cornhusker Vortex19 Min9/24/2007$2.99
The Guitarist Amplification
Season 1: Episode 47CCHD
Sheldon plays the peacemaker when an argument between Leonard and Penny proves “inconvenient” to him.
47. The Guitarist Amplification19 Min9/24/2007$2.99
The Adhesive Duck Deficiency
Season 1: Episode 48CCHD
With Leonard, Howard and Raj away camping in the desert, an injured Penny has only Sheldon to rely on.
48. The Adhesive Duck Deficiency20 Min9/24/2007$2.99
The Vengeance Formulation
Season 1: Episode 49CCHD
After he's humiliated on NPR, Sheldon vows to destroy Kripke, while, Wolowitz tries not to destroy his new relationship with Bernadette. KATEE SACKHOFF guest stars.
49. The Vengeance Formulation19 Min9/24/2007$2.99
The Gorilla Experiment
Season 1: Episode 50CCHD
Sheldon takes on his greatest challenge when he attempts to help Penny understand physics, and Wolowitz becomes jealous when Leonard starts hanging out with his new girlfriend.
50. The Gorilla Experiment21 Min12/7/2009$2.99
The Maternal Congruence
Season 1: Episode 51CCHD
A visit from Leonard’s mother (guest star CHRISTINE BARANSKI) delights Sheldon and horrifies Leonard.
51. The Maternal Congruence19 Min12/14/2009$2.99
The Psychic Vortex
Season 1: Episode 52CCHD
While Sheldon and Koothrappali attend a university mixer, Leonard is upset to discover that Penny believes in psychics. DANICA McKELLAR (The Wonder Years) guest stars as the object of Raj’s attraction.
52. The Psychic Vortex19 Min1/11/2010$2.99
The Bozeman Reaction
Season 1: Episode 53CCHD
When their apartment is robbed, Leonard and Sheldon turn to their friends to create a state-of-the-art security system – and Sheldon struggles to cope.
53. The Bozeman Reaction20 Min1/18/2010$2.99
The Einstein Approximation
Season 1: Episode 54CCHD
Suffering from a case of “physicist’s block,” Sheldon’s search for the answer to a physics problem leads him to work at the Cheesecake Factory with Penny.
54. The Einstein Approximation18 Min2/1/2010$2.99
The Large Hadron Collision
Season 1: Episode 55CCHD
It’s Valentine’s Day, and Leonard can only bring one guest on a trip to see CERN's Large Hadron Collider (the world's largest and highest energy particle accelerator) in Switzerland. Will it be Sheldon or Penny?
55. The Large Hadron Collision21 Min2/8/2010$2.99
The Excelsior Acquisition
Season 1: Episode 56CCHD
Sheldon misses his chance to meet comic book legend STAN LEE (as himself) when he winds up in traffic court after he gets a ticket because of Penny.
56. The Excelsior Acquisition21 Min3/1/2010$2.99
The Precious Fragmentation
Season 1: Episode 57CCHD
When the guys find a rare movie prop ring from The Lord of the Rings at a garage sale, it threatens to tear them apart – forcing them to choose the ring or their friendship.
57. The Precious Fragmentation20 Min3/8/2010$2.99
The Pants Alternative
Season 1: Episode 58CCHD
Sheldon’s friends come to his aid when his fear of public speaking stands between him and a coveted award.
58. The Pants Alternative21 Min3/22/2010$2.99
The Wheaton Recurrence
Season 1: Episode 59CCHD
A fight between Leonard and Penny threatens their relationship, while Sheldon battles WIL WHEATON (guest starring as Himself) in bowling.
59. The Wheaton Recurrence21 Min4/12/2010$2.99
The Spaghetti Catalyst
Season 1: Episode 60CCHD
When Leonard and Penny aren’t speaking, Sheldon goes to extremes to keep them both happy and gets caught in a lie.
60. The Spaghetti Catalyst20 Min5/3/2010$2.99
The Plimpton Stimulation
Season 1: Episode 61CCHD
Leonard and Sheldon compete for the attention of a famous female physicist – Dr. Elizabeth Plimpton (guest star JUDY GREER).
61. The Plimpton Stimulation21 Min5/10/2010$2.99
The Staircase Implementation
Season 1: Episode 62CCHD
Leonard tells Penny the story of how he met Sheldon for the first time…and what happened to the elevator.
62. The Staircase Implementation20 Min5/17/2010$2.99
The Lunar Excitation
Season 1: Episode 63CCHD
In the third season finale, Wolowitz and Koothrappali search for Sheldon's perfect match online – and find Sheldon’s ideal woman (guest star MAYIM BIALIK). Meanwhile, Penny worries that dating Leonard has ruined her for normal guys.
63. The Lunar Excitation20 Min5/24/2010$2.99
The Robotic Manipulation
Season 1: Episode 64CCHD
On the fourth season premiere, Penny (series star KALEY CUOCO) finds herself along for the ride on Sheldon's (series star JIM PARSONS) first date ever. Meanwhile, Wolowitz (series star SIMON HELBERG) finds a new use for a robotic arm. MAYIM BIALIK guest stars as Sheldon’s date, Amy Fowler.
64. The Robotic Manipulation21 Min9/23/2010$2.99
The Cruciferous Vegetable Amplification
Season 1: Episode 65CCHD
When Sheldon realizes he won’t live long enough to download his consciousness into a robot body, he attempts to extend his lifespan. Apple Co-Founder STEVE WOZNIAK guest stars as Himself.
65. The Cruciferous Vegetable Amplification20 Min9/30/2010$2.99
The Zazzy Substitution
Season 1: Episode 66CCHD
The guys are concerned as Sheldon searches for an alternative to human companionship after he and Amy (MAYIM BIALIK) break up. LAURIE METCALF reprises her role as Sheldon’s mother.
66. The Zazzy Substitution21 Min10/7/2010$2.99
The Hot Troll Deviation
Season 1: Episode 67CCHD
An embarrassing secret of Wolowitz's comes to light, while Sheldon and Raj have a small war at work. Battlestar Galactica’s KATEE SACKHOFF and Star Trek’s GEORGE TAKEI guest star as themselves as Wolowitz's love gurus. MELISSA RAUCH reprises her role as Howard’s girlfriend, Bernadette.
67. The Hot Troll Deviation19 Min10/14/2010$2.99
The Desperation Emanation
Season 1: Episode 68CCHD
Leonard realizes he's the only one without a girlfriend, while Sheldon wants to get rid of his.
68. The Desperation Emanation20 Min10/21/2010$2.99
The Irish Pub Formulation
Season 1: Episode 69CCHD
A visit from Raj’s sister (guest star AARTI MANKAD) creates tension among the guys – especially when Leonard keeps an affair secret from Sheldon, Howard and Raj.
69. The Irish Pub Formulation21 Min10/28/2010$2.99
The Apology Insufficiency
Season 1: Episode 70CCHD
When an FBI agent (guest star ELIZA DUSHKU) interviews the guys for Wolowitz’s security clearance, Sheldon’s answers during the screening, put Wolowitz’s clearance in jeopardy.
70. The Apology Insufficiency21 Min11/4/2010$2.99
The 21-Second Excitation
Season 1: Episode 71CCHD
When the guys camp in line for a screening, their plans are thwarted by Sheldon’s greatest nemesis, WIL WHEATON (guest starring as himself). Meanwhile, Penny and Bernadette invite Amy to her first slumber party.
71. The 21-Second Excitation19 Min11/11/2010$2.99
The Boyfriend Complexity
Season 1: Episode 72CCHD
Penny asks Leonard to lie to her father, Wyatt (guest star KEITH CARRADINE), while Howard, Raj and Bernadette pull an all-nighter at a telescope.
72. The Boyfriend Complexity21 Min11/18/2010$2.99
The Alien Parasite Hypothesis
Season 1: Episode 73CCHD
Amy finds she has sexual feelings for Penny's ex, Zack (guest star BRIAN THOMAS SMITH) while Koothrappali and Wolowitz try to prove who would be the better superhero.
73. The Alien Parasite Hypothesis20 Min12/9/2010$2.99
The Justice League Recombination
Season 1: Episode 74CCHD
The guys find a "super" use for Penny's new boyfriend, Zack, when they enter a costume contest as the Justice League.
74. The Justice League Recombination20 Min12/16/2010$2.99
The Bus Pants Utilization
Season 1: Episode 75CCHD
Leonard’s idea for a smartphone app derails his friendship with Sheldon as they fight for control of the project.
75. The Bus Pants Utilization21 Min1/6/2011$2.99
The Love Car Displacement
Season 1: Episode 76CCHD
Tension runs high when everyone is staying at the same hotel for a science event and Bernadette runs into her ex-boyfriend (guest star RICK FOX, three-time NBA champion with the Los Angeles Lakers).
76. The Love Car Displacement21 Min1/20/2011$2.99
The Thespian Catalyst
Season 1: Episode 77CCHD
Sheldon wants Penny to give him acting lessons, hoping that they will help him become a better teacher. Meanwhile, Koothrappali fantasizes about his best friend's girlfriend.
77. The Thespian Catalyst21 Min2/3/2011$2.99
The Benefactor Factor
Season 1: Episode 78CCHD
A wealthy donor to the university makes Leonard consider how far he's willing to go for the sake of science. JESSICA WALTER (Arrested Development) guest stars as the widowed benefactress and JOSHUA MALINA (The West Wing) guest stars as the University President.
78. The Benefactor Factor20 Min2/10/2011$2.99
The Cohabitation Formulation
Season 1: Episode 79CCHD
As Wolowitz contemplates taking things with Bernadette to the next level, he must choose between his girlfriend and his mother. Meanwhile, Leonard rekindles his relationship with Raj’s sister, Priya.
79. The Cohabitation Formulation20 Min2/17/2011$2.99
The Toast Derivation
Season 1: Episode 80CCHD
When the gang starts hanging out at Raj’s and Sheldon realizes it’s actually Leonard who is the center of their social group, Sheldon decides to get a new group of friends.
80. The Toast Derivation21 Min2/24/2011$2.99
The Prestidigitation Approximation
Season 1: Episode 81CCHD
Leonard must choose between his new girlfriend, Priya, and his friendship with Penny. Meanwhile, Howard drives Sheldon crazy with a magic trick.
81. The Prestidigitation Approximation21 Min3/10/2011$2.99
The Zarnecki Incursion
Season 1: Episode 82CCHD
When someone hacks Sheldon’s online gaming account, the guys go on a quest to find the culprit.
82. The Zarnecki Incursion21 Min3/31/2011$2.99
The Herb Garden Germination
Season 1: Episode 83CCHD
Sheldon and Amy experiment on their friends by spreading gossip, while Howard takes a big step in his relationship with Bernadette.
83. The Herb Garden Germination21 Min4/7/2011$2.99
The Agreement Dissection
Season 1: Episode 84CCHD
Priya uses her lawyer skills to pick apart the roommate agreement…and put Sheldon in his place. Meanwhile, the girls take Sheldon dancing.
84. The Agreement Dissection20 Min4/28/2011$2.99
The Wildebeest Implementation
Season 1: Episode 85CCHD
Raj attempts to cure his social anxiety disorder of talking to women, while Penny uses Bernadette to spy on Leonard and his girlfriend.
85. The Wildebeest Implementation21 Min5/5/2011$2.99
The Engagement Reaction
Season 1: Episode 86CCHD
When Howard finally breaks the news to his mom that he’s engaged to Bernadette, it lands her in the hospital.
86. The Engagement Reaction19 Min5/12/2011$2.99
The Roomate Transmorgrification
Season 1: Episode 87CCHD
When Bernadette receives her Ph.D., the guys take joy in reminding an emasculated Wolowitz that he is the only one in their group who isn't a doctor. Meanwhile, Koothrappali becomes Sheldon's new roommate after hearing Leonard and Priya engaging in a Star Trek bedroom fantasy, on the fourth season finale.
87. The Roomate Transmorgrification21 Min5/19/2011$2.99
The Skank Reflex Analysis
Season 1: Episode 88CCHD
The fifth season premiere picks up where the fourth season finale left off as the gang deals with the aftermath of Penny and Raj’s night together. While Penny worries that she’s screwed things up permanently with her friends, Sheldon takes command of the paintball team. Emmy® nominee CHRISTINE BARANSKI (The Good Wife) reprises her role as Leonard’s emotionally distant mother.
88. The Skank Reflex Analysis21 Min9/22/2011$2.99
The Infestation Hypothesis
Season 1: Episode 89CCHD
A battle of wills between Sheldon and Penny leaves Amy caught in the middle, while Leonard tries to spice up his long-distance relationship with Priya (recurring guest star AARTI MANN), who has moved back to India.
89. The Infestation Hypothesis19 Min9/22/2011$2.99
The Pulled Groin Extrapolation
Season 1: Episode 90CCHD
Leonard attends a co-worker’s wedding as Amy’s date. Meanwhile, Howard tries to convince Bernadette to live with his mom after they get married by suggesting a trial run with the two of them staying with his mom over the weekend.
90. The Pulled Groin Extrapolation20 Min9/29/2011$2.99
The Wiggly Finger Catalyst
Season 1: Episode 91CCHD
When Raj is upset he’s the only one of the four guys who is not in a relationship, Penny sets out to find the perfect date, introducing him to Emily (guest star KATIE LeCLERC – Switched at Birth) a girl he can actually talk to!
91. The Wiggly Finger Catalyst20 Min10/7/2011$2.99
The Russian Rocket Reaction
Season 1: Episode 92CCHD
Sheldon’s old nemesis, WIL WHEATON (guest starring as Himself), returns and invites everyone to a housewarming party. Sheldon threatens to “defriend” Leonard if he attends. But when he hears that BRENT SPINER (guest starring as Himself), the actor who played Commander Data, will be there, Sheldon decides to go to the party after all… only to discover new levels of treachery. Meanwhile, Howard gets an out-of-this-world opportunity that Bernadette reacts to strongly.
92. The Russian Rocket Reaction21 Min10/13/2011$2.99
The Rhinitis Revelation
Season 1: Episode 93CCHD
Sheldon's mother, Mary Cooper (Laurie Metcalf), comes to visit, but Sheldon is annoyed that she also spends time with the rest of the gang, instead of catering to his every demand.
93. The Rhinitis Revelation21 Min10/20/2011$2.99
The Good Guy Fluctuation
Season 1: Episode 94CCHD
A cute comic book artist (guest star COURTNEY FORD) puts Leonard’s relationship with Priya to the test; while Sheldon, getting into the spirit of Halloween, tries to scare the guys.
94. The Good Guy Fluctuation20 Min10/27/2011$2.99
The Isolation Permutation
Season 1: Episode 95CCHD
Amy is heartbroken when Bernadette and Penny go shopping for wedding dresses without her.
95. The Isolation Permutation21 Min11/3/2011$2.99
The Ornithophobia Diffusion
Season 1: Episode 96CCHD
Can friends with benefits still be friends without? Leonard and Penny try hanging out alone, while Sheldon must overcome his fear of birds.
96. The Ornithophobia Diffusion21 Min11/10/2011$2.99
The Flaming Spittoon Acquisition
Season 1: Episode 97CCHD
Sheldon becomes jealous and considers taking his relationship with Amy to the next level when Stuart (guest star KEVIN SUSSMAN) from the comic book store asks her out on a date.
97. The Flaming Spittoon Acquisition20 Min9/24/2007$2.99
The Speckerman Recurrence
Season 1: Episode 98CCHD
Leonard must face his fears after being contacted by his high school tormentor (guest star LANCE BARBER), while Penny realizes that she might have been a bully herself.
98. The Speckerman Recurrence19 Min12/8/2011$2.99
The Shiny Trinket Maneuver
Season 1: Episode 99CCHD
Sheldon gets in trouble with Amy when he isn’t impressed by her recent accomplishment, and it’s up to Penny to teach him how to be a better boyfriend. Howard, meanwhile, must come to grips with Bernadette’s dislike of children.
99. The Shiny Trinket Maneuver20 Min1/12/2012$2.99
The Recombination Hypothesis
Season 1: Episode 100CCHD
The possibility of Leonard and Penny getting back together could prove disastrous when Leonard offers Penny a spur of the moment invitation to a romantic dinner for two on the 100th episode of the series.
100. The Recombination Hypothesis21 Min1/19/2012$2.99
The Beta Test Initiation
Season 1: Episode 101CCHD
Leonard and Penny experiment with dating again by “beta testing” their relationship, while Raj develops a peculiar relationship with his phone’s virtual assistant.
101. The Beta Test Initiation20 Min1/26/2012$2.99
The Friendship Contraction
Season 1: Episode 102CCHD
Sheldon’s selfish demands force Leonard to reconsider their friendship. Could this be the end of The Roommate Agreement? Meanwhile, Howard tries to pick his astronaut nickname, but NASA astronaut MIKE MASSIMINO (guest starring as himself) has other ideas.
102. The Friendship Contraction20 Min2/2/2012$2.99
The Vacation Solution
Season 1: Episode 103CCHD
When Sheldon is forced to take a vacation by the university, he goes to work with Amy in her neurobiology lab. Meanwhile, Bernadette wants Howard to sign a pre-nuptial agreement.
103. The Vacation Solution21 Min2/9/2012$2.99
The Rothman Disintegration
Season 1: Episode 104CCHD
When a corner office at the University opens up, Sheldon must compete for it with his office nemesis, Barry Kripke. Meanwhile, a personal gift from Amy makes Penny uncomfortable.
104. The Rothman Disintegration21 Min2/16/2012$2.99
The Werewolf Transformation
Season 1: Episode 105CCHD
Sheldon’s life is turned upside-down after his barber becomes hospitalized. Now, that there’s been a change in his routine, Sheldon finds himself re-evaluating his entire life. Meanwhile, astronaut training causes Howard to rethink his decision to go into space.
105. The Werewolf Transformation21 Min2/23/2012$2.99
The Weekend Vortex
Season 1: Episode 106CCHD
It’s on…like Alderaan, when the guys plan a weekend Star Wars gaming marathon! But when Sheldon chooses the guys-only weekend over a weekend with Amy to visit her aunt, he is destined to feel the force!
106. The Weekend Vortex20 Min3/8/2012$2.99
The Transporter Malfunction
Season 1: Episode 107CCHD
It’s a dream come true for Sheldon when he has a close encounter with his hero, Mr. Spock. Legendary sci-fi icon LEONARD NIMOY guest stars, lending his voice to a unique reprisal of his three-time Emmy®-nominated Star Trek role.
107. The Transporter Malfunction21 Min9/24/2007$2.99
The Hawking Excitation
Season 1: Episode 108CCHD
When Wolowitz gets to work with world-renowned scientist STEPHEN HAWKING (guest starring as Himself), Sheldon is willing to do anything to meet his hero.
108. The Hawking Excitation19 Min9/24/2007$2.99
The Stag Convergence
Season 1: Episode 109CCHD
Howard’s wedding plans are in jeopardy after the guys (and Wil Wheaton) throw him a bachelor party. After details of his sexual history are leaked online, Bernadette reconsiders marrying Howard.
109. The Stag Convergence21 Min9/24/2007$2.99
The Launch Acceleration
Season 1: Episode 110CCHD
When NASA reschedules Howard’s mission and puts his wedding plans in jeopardy, he’s forced to face his fears and Bernadette’s dad (guest star CASEY SANDER). Meanwhile, Leonard says something surprising to Penny in the bedroom.
110. The Launch Acceleration21 Min9/24/2007$2.99
The Countdown Reflection
Season 1: Episode 111CCHD
Howard Wolowitz crosses over into the final frontiers of space…and marriage on the fifth season finale. When Howard and Bernadette decide they want to be married before his NASA space launch, the gang rushes to put on a wedding. NASA Astronaut Mike Massimino guest stars as Himself.
111. The Countdown Reflection21 Min9/24/2007$2.99
The Date Night Variable
Season 1: Episode 112CCHD
On the sixth season premiere, Howard discovers that he can’t escape his mother – even in space! Caught in an argument between Bernadette and his mom (recurring guest voice CAROL ANN SUSI), Howard deals with woman trouble from the International Space Station. Back on earth, meanwhile, Raj faces his loneliness, by turning his existence as a third wheel into an art form.
112. The Date Night Variable21 Min9/24/2007$2.99
The Decoupling Fluctuation
Season 1: Episode 113CCHD
When Sheldon learns that Penny is thinking about breaking up with Leonard, he tries to intervene. But Sheldon is no good at keeping secrets. Meanwhile, Howard is being picked on in space by the other astronauts (guest stars PASHA LYCHNIKOFF and MIKE MASSIMINO).
113. The Decoupling Fluctuation21 Min9/24/2007$2.99
The Higgs Boson Observation
Season 1: Episode 114CCHD
While the pressures of being in space starts to take its toll on Howard, Amy feels threatened when Sheldon hires a young female assistant, Alex (guest star MARGO HARSHMAN).
114. The Higgs Boson Observation19 Min9/24/2007$2.99
The Re-Entry Minimization
Season 1: Episode 115CCHD
When Howard returns from space, he doesn’t get the hero’s welcome he expected. Meanwhile, Game Night turns into a battle of the sexes.
115. The Re-Entry Minimization20 Min9/24/2007$2.99
The Holographic Excitation
Season 1: Episode 116CCHD
The gang celebrates Halloween at Stuart’s comic book store. Meanwhile Leonard and Penny discover a new spark in their relationship when he seduces her with science. And while Howard can’t stop talking about space, it takes iconic astronaut BUZZ ALDRIN (guest starring as himself) to get him grounded again.
116. The Holographic Excitation21 Min9/24/2007$2.99
The Extract Obilteration
Season 1: Episode 117CCHD
Sheldon’s tenuous relationship with renowned scientist STEPHEN HAWKING is threatened by a game of “Words with Friends,” while Penny secretly enrolls in a class at the local college.
117. The Extract Obilteration21 Min9/24/2007$2.99
The Habitation Configuration
Season 1: Episode 118CCHD
Pressured by Bernadette, Howard comes to terms with moving out of his mother’s house. Meanwhile, Sheldon, who’s caught in the middle of a feud between his “girlfriend” Amy and good friend WIL WHEATON, goes to Penny for advice. Star Trek’s LeVAR BURTON guest stars.
118. The Habitation Configuration21 Min9/24/2007$2.99
The 43 Peculiarity
Season 1: Episode 119CCHD
Howard and Raj try to get to the bottom of why Sheldon disappears every afternoon at 2:45. Meanwhile, Leonard and Penny wrestle with jealousy in their relationship.
119. The 43 Peculiarity21 Min9/24/2007$2.99
The Parking Spot Escalation
Season 1: Episode 120CCHD
When the University reassigns Sheldon’s (unused) parking spot to Howard, the ensuing turf battle affects the whole gang.
120. The Parking Spot Escalation19 Min9/24/2007$2.99
The Fish Guts Displacement
Season 1: Episode 121CCHD
Sheldon plays nursemaid to a sick Amy, while Howard attempts to bond with his father-in-law (guest star CASEY SANDER) on an upcoming fishing trip.
121. The Fish Guts Displacement21 Min9/24/2007$2.99
The Santa Simulation
Season 1: Episode 122CCHD
Sheldon unwillingly revisits some Christmas memories during a lively game of Dungeons and Dragons, while Penny, Bernadette and Amy try to find the perfect girl for Raj when he joins the girls for ladies night.
122. The Santa Simulation21 Min9/24/2007$2.99
The Egg Salad Equivalency
Season 1: Episode 123CCHD
Sheldon is accused of sexual harassment at the University and winds up dragging Leonard, Raj and Howard into the fray. Southland’s REGINA KING guest stars as the University’s Director of Employee Relations.
123. The Egg Salad Equivalency21 Min9/24/2007$2.99
The Bakersfield Expedition
Season 1: Episode 124CCHD
While the guys take a road trip to a comic book convention in Bakersfield dressed as characters from Star Trek: The Next Generation, Leonard’s car is stolen. Meanwhile, the girls stay home and try to appreciate the world of comics.
124. The Bakersfield Expedition21 Min9/24/2007$2.99
The Cooper/Kripke Inversion
Season 1: Episode 125CCHD
Outraged that he’s being forced to work with his university nemesis, Barry Kripke (guest star JOHN ROSS BOWIE), Sheldon faces a crisis of conscience. Meanwhile, Howard and Raj spend a thousand dollars on action figures of themselves.
125. The Cooper/Kripke Inversion19 Min9/24/2007$2.99
The Spoil Alert Segmentation
Season 1: Episode 126CCHD
A fight between Leonard and Sheldon drives Leonard to finally move in with Penny – not realizing how the shift will affect Penny and Amy’s living arrangements. Meanwhile, Raj takes care of Mrs. Wolowitz while Howard is away.
126. The Spoil Alert Segmentation20 Min9/24/2007$2.99
The Tangible Affection Proof
Season 1: Episode 127CCHD
While the guys try to give their significant others the perfect Valentine’s Day, Raj and Stuart throw a lonely people party at the comic book store.
127. The Tangible Affection Proof20 Min9/24/2007$2.99
The Monster Isolation
Season 1: Episode 128CCHD
After a terrible date, Raj vows to never leave his apartment again. Meanwhile, Penny actually impresses Sheldon with her acting skills.
128. The Monster Isolation20 Min9/24/2007$2.99
The Contractual Obligation Implementation
Season 1: Episode 129CCHD
Back to school! Leonard, Sheldon and Howard try to advance the cause of women in science by speaking with junior high girls about their future careers, while Raj plans his date with Lucy (guest star KATE MICUCCI).
129. The Contractual Obligation Implementation20 Min9/24/2007$2.99
The Closet Reconfiguration
Season 1: Episode 130CCHD
When Howard finds a letter from his father, he’s forced to confront his past, struggling with whether or not he should open it. And Leonard and Penny throw a “grown-up” cocktail party at the apartment.
130. The Closet Reconfiguration19 Min9/24/2007$2.99
The Tenure Turbulence
Season 1: Episode 131CCHD
Let the battle begin! Leonard, Sheldon and Raj fight for tenure at the University – and the competition heats up when the girls get involved!
131. The Tenure Turbulence19 Min9/24/2007$2.99
The Closure Alternative
Season 1: Episode 132CCHD
Sheldon feels lost after one of his favorite TV shows gets canceled too soon, so Amy tries to help him get over his compulsive need for closure. Meanwhile, Raj discovers a secret about his new love interest, Lucy.
132. The Closure Alternative19 Min9/24/2007$2.99
The Proton Resurgence
Season 1: Episode 133CCHD
Sheldon and Leonard hire Professor Proton (guest star BOB NEWHART), the host of their favorite childhood TV show, to perform. Also, Howard and Bernadette run into trouble babysitting Raj’s dog.
133. The Proton Resurgence21 Min9/24/2007$2.99
The Love Spell Potential
Season 1: Episode 134CCHD
When the girls’ trip to Vegas falls through, the guys invite them to play Dungeons & Dragons – causing Sheldon and Amy’s relationship to take an unexpected turn. Meanwhile, Raj and Lucy go on a very awkward date.
134. The Love Spell Potential20 Min9/24/2007$2.99
The Bon Voyage Reaction
Season 1: Episode 135CCHD
When Leonard is offered an exciting new job opportunity overseas, Sheldon grows very jealous and Penny is thrown for a loop. Meanwhile, Raj pushes Lucy a little too far in their relationship on the sixth season finale.
135. The Bon Voyage Reaction20 Min5/16/2013$2.99
The Hofstadter Insufficiency
Season 1: Episode 136CCHD
On the one-hour seventh season premiere, Sheldon and Penny bond in Leonard’s absence, but it’s Sheldon’s feelings that are crushed when Leonard returns from the North Sea. Guest star REGINA KING returns as Mrs. Davis, the University’s Director of Employee Relations.
136. The Hofstadter Insufficiency21 Min9/26/2013$2.99
The Deception Verification
Season 1: Episode 137CCHD
On the second part of the one-hour seventh season premiere, Raj gets consoled about his ex-girlfriend and Howard’s relationship with his mother causes an unusual threat to his masculinity. KEVIN SUSSMAN returns as Stuart, the comic book store owner.
137. The Deception Verification21 Min9/26/2013$2.99
The Scavenger Vortex
Season 1: Episode 138CCHD
When the entire gang competes in a cutthroat scavenger hunt designed by Raj that tests their science knowledge and street smarts, it brings out the best – and worst – in everyone.
138. The Scavenger Vortex20 Min10/3/2013$2.99
The Raiders Minimization
Season 1: Episode 139CCHD
After Amy ruins one of Sheldon’s favorite movies – Raiders of the Lost Ark – he gets defensive, seeking revenge. Meanwhile, Leonard discovers a way to get Penny to do anything; and Raj and Stuart create online dating profiles.
139. The Raiders Minimization21 Min10/10/2013$2.99
The Workplace Proximity
Season 1: Episode 140CCHD
Sheldon must decide how much “Amy time” is too much after she takes a job at his university, and their relationship is put to the test. Meanwhile, Howard finds himself sleeping on Raj’s couch after a fight with Bernadette.
140. The Workplace Proximity19 Min10/17/2013$2.99
The Romance Resonance
Season 1: Episode 141CCHD
Sheldon’s latest scientific breakthrough makes him feel like a fraud – and threatens to haunt him forever. Meanwhile, Howard’s romantic gesture to Bernadette causes Penny to step up her game with Leonard.
141. The Romance Resonance20 Min10/24/2013$2.99
The Proton Displacement
Season 1: Episode 142CCHD
Sheldon feels slighted when Professor Proton (recurring guest star BOB NEWHART) seeks advice from Leonard instead of him, and he seeks revenge by befriending a rival science TV host, BILL NYE (guest starring as Himself). Meanwhile, Raj gets jealous when Howard crashes “girls’ night.”
142. The Proton Displacement19 Min11/7/2013$2.99
The Itchy Brain Simulation
Season 1: Episode 143CCHD
Leonard tries to keep Sheldon from overreacting when a past mistake comes to light, but Sheldon punishes Leonard by making him “walk a mile in his shoes.” Meanwhile, Penny confronts Raj’s ex-girlfriend, Lucy (guest star KATE MICUCCI).
143. The Itchy Brain Simulation20 Min11/14/2013$2.99
The Thanksgiving Decoupling
Season 1: Episode 144CCHD
An upset Sheldon protests when the entire gang drags him to Mrs. Wolowitz’s house for Thanksgiving. Meanwhile, Penny and Leonard must deal with a mistake from her past.
144. The Thanksgiving Decoupling19 Min11/21/2013$2.99
The Discovery Dissipation
Season 1: Episode 145CCHD
Leonard and Amy help Sheldon cope with the shame he’s feeling after his accidental contribution to science is disproved. Meanwhile, Raj must stay with Howard and Bernadette for a week. IRA FLATOW guest stars as Himself.
145. The Discovery Dissipation19 Min12/5/2013$2.99
The Cooper Extraction
Season 1: Episode 146CCHD
While Sheldon is away in Texas, everyone gathers to decorate the apartment Christmas tree, and imagines what their lives would be like if they had never met Sheldon.
146. The Cooper Extraction21 Min12/12/2013$2.99
The Hesitation Ramification
Season 1: Episode 147CCHD
When Penny’s big acting break on NCIS is a bust, Leonard struggles to help her, which results in Penny asking Leonard a bold relationship question. Meanwhile, Sheldon tries to learn how to be funny and Raj tries to work on his “game” before talking to girls.
147. The Hesitation Ramification21 Min1/2/2014$2.99
The Occupation Recalibration
Season 1: Episode 148CCHD
When Sheldon is forced to take a vacation, he tries to relax, but instead spends a lot of time with Penny after she quits her job. Meanwhile, Leonard struggles to be supportive of Penny and Bernadette seeks Stuart’s help in replacing one of Howard’s comic books.
148. The Occupation Recalibration20 Min1/9/2014$2.99
The Convention Conundrum
Season 1: Episode 149CCHD
After they guys can’t get Comic-Con tickets, Sheldon decides to hold his own convention, and winds up spending a wild night with JAMES EARL JONES (guest starring as himself). Meanwhile, the girls see if they can act like “grown-ups.” Star Wars icon CARRIE FISHER makes a cameo appearance as well.
149. The Convention Conundrum20 Min1/30/2014$2.99
The Locomotive Manipulation
Season 1: Episode 150CCHD
Love is in the air when Amy convinces Sheldon to join her (as well as Howard and Bernadette) for a romantic weekend in Napa Valley to celebrate Valentine’s Day. Meanwhile, Leonard and Penny must rush Raj’s dog to the vet.
150. The Locomotive Manipulation20 Min2/6/2014$2.99
The Table Polarization
Season 1: Episode 151CCHD
When Leonard buys a dining room table, it causes Sheldon to reevaluate the changes in his life. Meanwhile, Wolowitz is offered a chance to go back to space and Bernadette struggles with whether or not to encourage him.
151. The Table Polarization19 Min2/27/2014$2.99
The Friendship Turbulence
Season 1: Episode 152CCHD
After the insults fly, Bernadette tries to broker the peace between Howard and Sheldon by having the two travel together to Houston in an attempt to improve their friendship. Meanwhile, Penny is offered an embarrassing movie role and Raj asks Amy to write to a woman on his behalf.
152. The Friendship Turbulence19 Min3/6/2014$2.99
The Mommy Observation
Season 1: Episode 153CCHD
When Sheldon visits his mom (recurring guest star LAURIE METCALF) in Houston, he is forced to confront a new reality. Meanwhile, Raj’s “Murder Mystery” party starts some fights within the gang.
153. The Mommy Observation20 Min3/13/2014$2.99
The Indecision Amalgamation
Season 1: Episode 154CCHD
While Raj is wracked with guilt over dating two women at the same time and Penny is wrestling with whether to take a role in a cheesy movie, Amy must help Sheldon through the even greater hell of choosing between two gaming systems.
154. The Indecision Amalgamation19 Min4/3/2014$2.99
The Relationship Diremption
Season 1: Episode 155CCHD
Sheldon faces a personal crisis after deciding he’s wasting his time with String Theory. Meanwhile, a double date between Raj, Emily and the Wolowitzes ends in embarrassment for Howard.
155. The Relationship Diremption20 Min4/10/2014$2.99
The Anything Can Happen Recurrence
Season 1: Episode 156CCHD
Leonard tries to help Sheldon free his mind by reinstating “Anything Can Happen Thursday,” but when Sheldon tries to be spontaneous, it leads to unexpected friction between Penny, Amy and Bernadette. Meanwhile, Raj seeks Howard’s help in preparing for a date with Emily.
156. The Anything Can Happen Recurrence18 Min4/24/2014$2.99
The Proton Transmogrification
Season 1: Episode 157CCHD
May the “Fourth” Be With You! Professor Proton helps Sheldon cope with grief, while Leonard turns a relationship milestone into a competition with Penny. Meanwhile Amy and Bernadette make a “Star Wars Day" gift for the guys.
157. The Proton Transmogrification21 Min5/1/2014$2.99
The Gorilla Dissolution
Season 1: Episode 158CCHD
A horrible day at work prompts Penny to evaluate her life choices – including taking a big step with Leonard. Meanwhile, Howard and Bernadette struggle to care for Mrs. Wolowitz, and Raj gets relationship advice from Sheldon.
158. The Gorilla Dissolution19 Min5/8/2014$2.99
The Status Quo Combustion
Season 1: Episode 159CCHD
With his entire world changing around him, Sheldon is forced to confront an uncertain future and considers a major move in the seventh season finale. Meanwhile, Raj and Emily take it to the next level, and Mrs. Wolowitz’s injury is a major headache for Howard and Bernadette. Recurring guest star CHRISTINE BARANSKI returns as Leonard’s mother, Beverly Hofstadter.
159. The Status Quo Combustion21 Min5/15/2014$2.99
The Locomotion Interruption
Season 1: Episode 160CCHD
Leonard and Sheldon (series stars JOHNNY GALECKI and JIM PARSONS) are brilliant physicists – geniuses in the laboratory, but socially challenged everywhere else. Enter beautiful, street-smart neighbor, Penny (series star KALEY CUOCO-SWEETING), who aims to teach them a thing or two about life. Despite their on-again, off-again relationship in the past, Leonard and Penny have finally gotten engaged. Even Sheldon has found a female companion – entering into a “Relationship Agreement” with neurobiologist Amy Farrah Fowler (series star MAYIM BIALIK). In their free time, Leonard and Sheldon enjoy fantasy role-playing games with their ever-expanding universe of friends, including fellow scientists Raj (series star KUNAL NAYYAR) and Howard (series star SIMON HELBERG), and Howard's adorable microbiologist wife, Bernadette (series star MELISSA RAUCH).
160. The Locomotion Interruption21 Min9/22/2014$2.99
The Junior Professor Solution
Season 1: Episode 161CCHD
When Sheldon is forced to teach a class, Howard surprises everyone by taking it. Meanwhile, the tension between Penny and Bernadette gives Amy a chance to play both sides. Guest star REGINA KING returns as Mrs. Davis, the University’s Director of Employee Relations.
161. The Junior Professor Solution19 Min9/22/2014$2.99
The First Pitch Insufficiency
Season 1: Episode 162CCHD
Howard is nervous when NASA asks him to throw out the first pitch at a Los Angeles Angels game for National Space Day. Also, Leonard and Penny try to prove Sheldon wrong after he claims that he and Amy are a superior couple.
162. The First Pitch Insufficiency19 Min9/29/2014$2.99
The Hook-Up Reverberation
Season 1: Episode 163CCHD
Raj’s honesty about his past comes back to bite him after his girlfriend, Emily (recurring guest star LAURA SPENCER), gives Penny the cold shoulder. Meanwhile, the guys consider becoming part-owners in Stuart’s comic-book store.
163. The Hook-Up Reverberation18 Min10/6/2014$2.99
The Focus Attenuation
Season 1: Episode 164CCHD
Amy and Bernadette accuse Penny of being a “buzzkill” after she gets an email from work during their Vegas weekend. Meanwhile, the guys try to invent something cool, but only come up with new ways to procrastinate.
164. The Focus Attenuation19 Min10/13/2014$2.99
The Expedition Approximation
Season 1: Episode 165CCHD
Sheldon and Raj test whether they could survive a dark-matter research expedition in a salt mine by simulating the conditions in a steam tunnel deep underground. Meanwhile, Leonard and Penny seek advice from Wolowitz and Bernadette after they fight about money.
165. The Expedition Approximation21 Min9/24/2007$2.99
The Misinterpretation Agitation
Season 1: Episode 166CCHD
The guys try to help Penny out of an awkward work dilemma, when a smitten doctor shows up at her door after her flirtatious sales techniques work a little too well. Meanwhile, Amy and Bernadette argue over whether or not female scientists should play up their sexuality.
166. The Misinterpretation Agitation19 Min9/24/2007$2.99
The Prom Equivalency
Season 1: Episode 167CCHD
When the gang recreates a high-school prom night on the roof of the guys’ apartment building, Sheldon feels pressure to participate in all the typical romantic traditions.
167. The Prom Equivalency20 Min9/24/2007$2.99
The Septum Deviation
Season 1: Episode 168CCHD
When Leonard gets minor surgery on his nose, Sheldon is the one in need of sympathy. Meanwhile, Raj’s parents’ impending divorce causes Howard and Bernadette to work on their own marriage.
168. The Septum Deviation20 Min9/24/2007$2.99
The Champagne Reflection
Season 1: Episode 169CCHD
While Sheldon says a tearful goodbye to the final installment of “Fun with Flags,” Leonard, Howard and Raj search for something significant in a dead professor’s research. And Bernadette is shocked to learn of her co-workers’ true feelings from Penny.
169. The Champagne Reflection19 Min9/24/2007$2.99
The Clean Room Infiltration
Season 1: Episode 170CCHD
Leonard and Howard turn to Raj for help in dealing with a work emergency when they nearly come to blows after blaming each other for a potential disaster at the university. Amy throws an authentic Victorian Christmas party, while Sheldon seeks revenge on her for making him celebrate the holidays
170. The Clean Room Infiltration19 Min9/24/2007$2.99
The Space Probe Disintegration
Season 1: Episode 171CCHD
It’s an all-new original episode of The Big Bang Theory
171. The Space Probe Disintegration20 Min9/24/2007$2.99
The Anxiety Optimization
Season 1: Episode 172CCHD
In the hopes of achieving a scientific breakthrough, Sheldon invites his friends to challenge him and make him miserable. Meanwhile, Wolowitz invents an embarrassing game about Raj.
172. The Anxiety Optimization20 Min9/24/2007$2.99
The Troll Manifestation
Season 1: Episode 173CCHD
After Leonard and Sheldon co-publish a physics paper, they must defend themselves against criticism from an online bully. Also, girls’ night finds Penny, Amy and Bernadette confronting embarrassing moments from their pasts.
173. The Troll Manifestation21 Min9/24/2007$2.99
The Comic Book Store Regeneration
Season 1: Episode 174CCHD
Howard receives some shocking news as everyone prepares for the reopening of Stuart’s comic book store. Penny teaches Sheldon how to “let it go” but can’t follow her own advice after she learns something infuriating about Amy. Also, Leonard and Raj think they spot Nathan Fillion at a restaurant.
174. The Comic Book Store Regeneration20 Min9/24/2007$2.99
The Intimacy Acceleration
Season 1: Episode 175CCHD
When the gang hears about an experiment designed to make participants fall in love, Sheldon and Penny put it to the test as a joke. Meanwhile, Leonard, Amy, Raj and Emily spend the evening trying to escape a room with a “zombie.” And Bernadette and Howard run into trouble at the airport after returning from the funeral for Mrs. Wolowitz.
175. The Intimacy Acceleration20 Min9/24/2007$2.99
The Colonization Application
Season 1: Episode 176CCHD
A trip to the pet store ends in a fight when Amy learns that Sheldon has applied for a one-way mission to colonize Mars. Also, Leonard surprises Penny with a very “adult” purchase; and Raj is caught snooping in Emily’s apartment.
176. The Colonization Application20 Min9/24/2007$2.99
The Leftover Thermalization
Season 1: Episode 177CCHD
Friction ensues when a magazine fails to mention Leonard in an article about the paper he co-wrote with Sheldon. And a blackout at Mrs. Wolowitz’s home leads to a final family dinner in her honor.
177. The Leftover Thermalization19 Min9/24/2007$2.99
The Skywalker Incursion
Season 1: Episode 178CCHD
When Leonard and Sheldon are invited to speak at UC Berkeley, they take a detour to try to sneak on to George Lucas’s Skywalker Ranch to meet one of their idols. Back in Pasadena, Howard and Bernadette battle over the fate of his Dr. Who TARDIS, while Raj and Amy offer to settle the dispute with a game of ping pong.
178. The Skywalker Incursion21 Min9/24/2007$2.99
The Fortification Implementation
Season 1: Episode 179CCHD
When Sheldon and Amy build a blanket fort, they come to a big crossroads in their relationship. And Wolowitz is shocked when a man claiming to be his half-brother he never knew he had shows up at his front door. And, when Penny is invited to appear on Wil Wheaton’s podcast, she and Leonard have a huge, on-air argument.
179. The Fortification Implementation19 Min9/24/2007$2.99
The Communication Deterioration
Season 1: Episode 180CCHD
When Raj is asked to create a message in case a NASA mission discovers alien life, the guys fight over what he should do. Meanwhile, Penny is torn between auditioning for a movie or keeping her successful pharmaceutical sales job.
180. The Communication Deterioration18 Min9/24/2007$2.99
The Graduation Transmission
Season 1: Episode 181CCHD
Wolowitz questions his engineering abilities when he and Sheldon can’t get a drone to fly. Meanwhile, a canceled flight nearly prevents Leonard from giving the commencement address at his former high school. And Raj pits his parents against each other when his father cuts him off financially.
181. The Graduation Transmission19 Min9/24/2007$2.99
The Maternal Combustion
Season 1: Episode 182CCHD
Personalities collide and sparks fly when Sheldon and Leonard’s mothers (special guest stars LAURIE METCALF and CHRISTINE BARANSKI) finally meet. Meanwhile, Howard decides to “man up” and do his fair share of the housework – but not without a little help from his friends.
182. The Maternal Combustion18 Min9/24/2007$2.99
The Commitment Determination
Season 1: Episode 183CCHD
In the eighth season finale, Sheldon presses Leonard and Penny to choose a date for their wedding, while dealing with dramatic changes in his own relationship with Amy.
183. The Commitment Determination20 Min9/24/2007$2.99
The Matrimonial Momentum
Season 1: Episode 184CCHD
In the ninth season premiere, Penny struggles with Leonard’s confession that he kissed another girl while on the North Sea. After driving to Vegas, Penny must now decide whether she wants to go through with the wedding. Back home, Sheldon doesn’t know how to act after Amy pushes pause on their relationship.
184. The Matrimonial Momentum20 Min9/24/2007$2.99
The Separation Oscillation
Season 1: Episode 185CCHD
After Amy breaks up with Sheldon, he tries to retaliate by filming a special episode of “Fun with Flags.” Leonard, meanwhile, confronts the woman he kissed on the North Sea in an attempt to put Penny’s mind at ease, and Bernadette feels guilty about withholding a secret from Penny.
185. The Separation Oscillation19 Min9/24/2007$2.99
The Bachelor Party Corrosion
Season 1: Episode 186CCHD
The guys’ science skills are put to the test when they get a flat tire during Leonard’s surprise bachelor party weekend in Mexico. Meanwhile, the girls force Penny to finally tell her family that she eloped with Leonard.
186. The Bachelor Party Corrosion19 Min9/24/2007$2.99
The 2003 Approximation
Season 1: Episode 187CCHD
When Penny and Leonard announce they’re moving in together, Sheldon decides to revert back to 2003 – a simpler time before he met either of them. Meanwhile, Howard and Raj form a band to play at the Comic Book Store.
187. The 2003 Approximation18 Min9/24/2007$2.99
The Perspiration Implementation
Season 1: Episode 188CCHD
When the guys take fencing lessons from Barry Kripke (recurring guest star JOHN ROSS BOWIE), Sheldon finds himself in an awkward position when Kripke expresses interest in Amy. Also, Stuart struggles to bring in female customers into the Comic Book Store, so Penny, Amy and Bernadette come by to help him out.
188. The Perspiration Implementation18 Min9/24/2007$2.99
The Helium Insufficiency
Season 1: Episode 189CCHD
In the midst of a nationwide helium shortage, Sheldon and Leonard take desperate measures to obtain the supplies they need on the black market. Meanwhile, Penny and Bernadette download a dating app on Amy’s phone in order to find her a new man. MICHAEL RAPAPORT guest stars as their Black Market dealer, Kenny.
189. The Helium Insufficiency19 Min9/24/2007$2.99
The Spock Resonance
Season 1: Episode 190CCHD
While being interviewed for a documentary about Spock, Sheldon struggles to suppress his emotions about his recent break-up with Amy – leaving Leonard and Penny shocked to discover that Sheldon had an engagement ring for Amy. Meanwhile, Howard and Bernadette disagree over remodeling his childhood home. WIL WHEATON, ADAM NIMOY and STEPHEN MERCHANT guest star.
190. The Spock Resonance18 Min9/24/2007$2.99
The Mystery Date Observation
Season 1: Episode 191CCHD
With Amy out on a date with a mystery man, Sheldon enlists the help of Howard and Raj to find a new girlfriend by posting online. And when Amy is coy with the details about the guy she’s dating, Penny and Bernadette decide to spy.
191. The Mystery Date Observation19 Min9/24/2007$2.99
The Platonic Permutation
Season 1: Episode 192CCHD
Sheldon and Amy try hanging out as friends when they spend Thanksgiving together at the Aquarium. Meanwhile, Howard reluctantly agrees to volunteer at the soup kitchen with Bernadette, Raj and Emily, while Penny discovers that Leonard knows more about her than she thought.
192. The Platonic Permutation21 Min9/24/2007$2.99
The Earworm Reverberation
Season 1: Episode 193CCHD
After driving Leonard and Penny crazy by his desperate attempts to remember the name of a song stuck in his head, Sheldon has a revelation when he realizes why. Then, despite their previously awkward date, Amy invites Dave (recurring guest star STEPHEN MERCHANT) over for dinner. And Howard and Raj become obsessed with a fan of their band, Footprints on the Moon.
193. The Earworm Reverberation21 Min9/24/2007$2.99
The Opening Night Excitation
Season 1: Episode 194CCHD
After more than five years of dating, Sheldon and Amy spend their first night together; while Leonard, Howard and Raj must decide who will take their extra Star Wars movie ticket. Recurring guest star BOB NEWHART returns as Sheldon’s Obi-Wan to advise him on his difficult relationship decisions.
194. The Opening Night Excitation21 Min9/24/2007$2.99
The Sales Call Sublimation
Season 1: Episode 195CCHD
Penny gets more than she bargained for when Leonard agrees to meet with a psychiatrist on her behalf. Sheldon and Raj collaborate on an astronomical discovery. Howard and Bernadette can’t believe what they’re feeling after Stuart moves out.
195. The Sales Call Sublimation18 Min9/24/2007$2.99
The Empathy Optimization
Season 1: Episode 196CCHD
After having toe deal with Sheldon being sick, Leonard, Penny and the gang try to treat themselves to a Sheldon free weekend.
196. The Empathy Optimization18 Min1/14/2016$2.99
The Meemaw Materialization
Season 1: Episode 197CCHD
Sheldon’s thrilled when his Meemaw (guest star JUNE SQUIBB) comes to visit, but his excitement quickly fades when she butts heads with Amy. Also, Raj meets a new girl (guest star ALESSANDRA TORRESANI) at the comic book store who makes him question his relationship with Emily.
197. The Meemaw Materialization18 Min2/4/2016$2.99
The Valentino Submergence
Season 1: Episode 198CCHD
Sheldon and Amy host a special live Valentine's Day episode of "Fun with Flags." While Leonard and Penny grapple with getting older, Howard and Bernadette find a surprise in their hot tub; and Raj is torn between Emily and the cute girl he met at the Comic Book Store.
198. The Valentino Submergence19 Min2/11/2016$2.99
The Positive Negative Reaction
Season 1: Episode 199CCHD
When the gang finds out about Bernadette’s pregnancy, they celebrate by singing karaoke. Meanwhile, Bernadette is concerned when Howard freaks out over her pregnancy announcement, as he’s convinced that he needs to make more money to provide for the baby.
199. The Positive Negative Reaction19 Min2/18/2016$2.99
The Celebration Experimentation
Season 1: Episode 200CCHD
After more than nine years together, the gang finally celebrates Sheldon’s birthday with a few special guests on the 200th episode. CHRISTINE BARANSKI, SARA GILBERT and WIL WHEATON return and are joined by special guest star ADAM WEST.
200. The Celebration Experimentation18 Min2/25/2016$2.99
The Application Deterioration
Season 1: Episode 201CCHD
Leonard, Sheldon and Howard run into problems when they file for a patent for their infinite persistence gyroscope. Meanwhile, Penny, Amy and Bernadette give Raj dating advice after Emily reaches out to him after their breakup.
201. The Application Deterioration19 Min3/10/2016$2.99
The Soldier Excursion Diversion
Season 1: Episode 202CCHD
When Sheldon’s laptop dies, it leads him to share a deep secret with Amy after she buys him a new one; Meanwhile, Raj sells out Leonard and Howard after they lie to their wives in order to attend an early screening of a movie.
202. The Soldier Excursion Diversion20 Min3/31/2016$2.99
The Big Bear Precipitation
Season 1: Episode 203CCHD
Sheldon spills a secret of Leonard’s when the two take a weekend cabin trip with Penny and Amy; Meanwhile Howard and Bernadeitte must draw the line when Raj goes overboard with pregnancy gifts.
203. The Big Bear Precipitation18 Min4/7/2016$2.99
The Viewing Party Combustion
Season 1: Episode 204CCHD
When a small argument between Leonard and Sheldon erupts into a heated fight, everyone must take sides during a group get-together.
204. The Viewing Party Combustion18 Min4/21/2016$2.99
The Fermentation Bifurcation
Season 1: Episode 205CCHD
The gang goes to a wine bar and runs into Penny’s old boyfriend, Zack (recurring guest star BRIAN THOMAS SMITH); Bernadette gets stuck spending the evening with Sheldon when she can’t go wine tasting with the group, and things don’t go as planned when Raj introduces his new girlfriend, Claire (ALESSANDRA TORRESANI).
205. The Fermentation Bifurcation19 Min4/28/2016$2.99
The Fermentation Bifurcation
Season 1: Episode 205CCHD
The gang goes to a wine bar and runs into Penny’s old boyfriend, Zack (recurring guest star BRIAN THOMAS SMITH); Bernadette gets stuck spending the evening with Sheldon when she can’t go wine tasting with the group, and things don’t go as planned when Raj introduces his new girlfriend, Claire (ALESSANDRA TORRESANI).
205. The Fermentation Bifurcation19 Min4/28/2016$2.99
The Line Substitution Solution
Season 1: Episode 206CCHD
Sheldon hires Stuart to spend the day with Amy when he’d rather go to a movie screening. Also, Leonard’s mother, Beverly, comes to town and Penny struggles to make a connection with her.
206. The Line Substitution Solution18 Min5/5/2016$2.99
The Line Substitution Solution
Season 1: Episode 206CCHD
Sheldon hires Stuart to spend the day with Amy when he’d rather go to a movie screening. Also, Leonard’s mother, Beverly, comes to town and Penny struggles to make a connection with her.
206. The Line Substitution Solution18 Min5/5/2016$2.99
The Convergence Convergence
Season 1: Episode 207CCHD
Chaos ensues in the ninth season finale when Leonard’s recently divorced parents (special guest stars JUDD HIRSCH and CHRISTINE BARANSKI) and Sheldon’s devoutly religious mother come to town. Meanwhile, Howard and Raj think the government is out to get them, when they’re contacted about their guidance system.
207. The Convergence Convergence19 Min5/12/2016$2.99
The Convergence Convergence
Season 1: Episode 207CCHD
Chaos ensues in the ninth season finale when Leonard’s recently divorced parents (special guest stars JUDD HIRSCH and CHRISTINE BARANSKI) and Sheldon’s devoutly religious mother come to town. Meanwhile, Howard and Raj think the government is out to get them, when they’re contacted about their guidance system.
207. The Convergence Convergence19 Min5/12/2016$2.99
The Conjugal Conjecture
Season 1: Episode 208CCHD
In the tenth season premiere, Penny’s family arrives for the wedding ceremony, including her anxiety-ridden mother, Susan (guest star KATEY SAGAL), her drug-dealing brother, Randall (guest star JACK McBRAYER) and her father Wyatt (returning guest star KEITH CARRADINE). After Sheldon’s mother, Mary (recurring guest star LAURIE METCALF) and Leonard’s father, Alfred (returning guest star JUDD HIRSCH) share an evening together, however, everyone deals with an awkward morning the next day. Recurring guest star CHRISTINE BARANSKI returns as Leonard’s mother, Dr. Beverly Hofstadter, while Breaking Bad’s DEAN NORRIS guest stars as Air Force Representative Colonel Williams.
208. The Conjugal Conjecture21 Min9/19/2016$2.99
The Conjugal Conjecture
Season 1: Episode 208CCHD
In the tenth season premiere, Penny’s family arrives for the wedding ceremony, including her anxiety-ridden mother, Susan (guest star KATEY SAGAL), her drug-dealing brother, Randall (guest star JACK McBRAYER) and her father Wyatt (returning guest star KEITH CARRADINE). After Sheldon’s mother, Mary (recurring guest star LAURIE METCALF) and Leonard’s father, Alfred (returning guest star JUDD HIRSCH) share an evening together, however, everyone deals with an awkward morning the next day. Recurring guest star CHRISTINE BARANSKI returns as Leonard’s mother, Dr. Beverly Hofstadter, while Breaking Bad’s DEAN NORRIS guest stars as Air Force Representative Colonel Williams.
208. The Conjugal Conjecture21 Min9/19/2016$2.99
The Military Miniaturization
Season 1: Episode 209CCHD
Colonel Williams, an Air Force representative from the Department of Material Command, sits down for a talk with Howard.
209. The Military Miniaturization18 Min9/26/2016$2.99
The Military Miniaturization
Season 1: Episode 209CCHD
Colonel Williams, an Air Force representative from the Department of Material Command, sits down for a talk with Howard.
209. The Military Miniaturization18 Min9/26/2016$2.99
The Dependence Transcendence
Season 1: Episode 210CCHD
Tensions rise when the guys struggle to complete their government project on time – and Sheldon tries an energy drink to stay awake. Also, Penny and Amy go to a “party” at the house of Bert, the geologist (guest star BRIAN POSEHN). And Raj learns Bernadette’s true feelings about her pregnancy when they clean out the future baby room. Dean Norris returns as Air Force Colonel Williams.
210. The Dependence Transcendence20 Min10/3/2016$2.99
The Dependence Transcendence
Season 1: Episode 210CCHD
Tensions rise when the guys struggle to complete their government project on time – and Sheldon tries an energy drink to stay awake. Also, Penny and Amy go to a “party” at the house of Bert, the geologist (guest star BRIAN POSEHN). And Raj learns Bernadette’s true feelings about her pregnancy when they clean out the future baby room. Dean Norris returns as Air Force Colonel Williams.
210. The Dependence Transcendence20 Min10/3/2016$2.99
The Cohabitation Experimentation
Season 1: Episode 211CCHD
When Amy’s apartment floods, she proposes a “cohabitation experiment” with Sheldon. Meanwhile, Howard and Bernadette are upset when Raj learns the gender of their baby before they do.
211. The Cohabitation Experimentation20 Min10/10/2016$2.99
The Cohabitation Experimentation
Season 1: Episode 211CCHD
When Amy’s apartment floods, she proposes a “cohabitation experiment” with Sheldon. Meanwhile, Howard and Bernadette are upset when Raj learns the gender of their baby before they do.
211. The Cohabitation Experimentation20 Min10/10/2016$2.99
The Hot Tub Contamination
Season 1: Episode 212CCHD
Leonard and Penny must separate a quarreling Sheldon and Amy, when their cohabitation experiment doesn’t go as planned. Sheldon threatens to break off their relationship when Amy refuses to adhere to the “bathroom schedule.” Also, Howard and Bernadette find unexpected guests at their house when they decide to stay home from a planned vacation.
212. The Hot Tub Contamination19 Min10/17/2016$2.99
The Hot Tub Contamination
Season 1: Episode 212CCHD
Leonard and Penny must separate a quarreling Sheldon and Amy, when their cohabitation experiment doesn’t go as planned. Sheldon threatens to break off their relationship when Amy refuses to adhere to the “bathroom schedule.” Also, Howard and Bernadette find unexpected guests at their house when they decide to stay home from a planned vacation.
212. The Hot Tub Contamination19 Min10/17/2016$2.99
The Fetal Kick Catalyst
Season 1: Episode 213CCHD
This week an all episode of the Big Bang Theory.
213. The Fetal Kick Catalyst18 Min10/27/2016$2.99
The Fetal Kick Catalyst
Season 1: Episode 213CCHD
This week an all episode of the Big Bang Theory.
213. The Fetal Kick Catalyst18 Min10/27/2016$2.99
The Veracity Elasticity
Season 1: Episode 214CCHD
This week an all episode of the Big Bang Theory.
214. The Veracity Elasticity20 Min11/3/2016$2.99
The Veracity Elasticity
Season 1: Episode 214CCHD
This week an all episode of the Big Bang Theory.
214. The Veracity Elasticity20 Min11/3/2016$2.99
The Brain Bowl Incubation
Season 1: Episode 215CCHD
After a successful experiment combining their genes, Sheldon will stop at nothing to convince Amy they should procreate. Also, Raj is embarrassed to tell the gang what the new woman he’s dating does for a living.
215. The Brain Bowl Incubation18 Min11/10/2016$2.99
The Brain Bowl Incubation
Season 1: Episode 215CCHD
After a successful experiment combining their genes, Sheldon will stop at nothing to convince Amy they should procreate. Also, Raj is embarrassed to tell the gang what the new woman he’s dating does for a living.
215. The Brain Bowl Incubation18 Min11/10/2016$2.99
The Geology Elevation
Season 1: Episode 216CCHD
When CalTech geologist Bert (recurring guest star BRIAN POSEHN) wins the MacArthur Genius Fellowship, Sheldon is overcome with jealousy. Meanwhile, Howard finds an old remote control Stephen Hawking action figure he invented. STEPHEN HAWKING returns to guest star as himself.
216. The Geology Elevation19 Min11/17/2016$2.99
The Geology Elevation
Season 1: Episode 216CCHD
When CalTech geologist Bert (recurring guest star BRIAN POSEHN) wins the MacArthur Genius Fellowship, Sheldon is overcome with jealousy. Meanwhile, Howard finds an old remote control Stephen Hawking action figure he invented. STEPHEN HAWKING returns to guest star as himself.
216. The Geology Elevation19 Min11/17/2016$2.99
The Property Division Collision
Season 1: Episode 217CCHD
This week an all episode of the Big Bang Theory.
217. The Property Division Collision19 Min12/1/2016$2.99
The Property Division Collision
Season 1: Episode 217CCHD
This week an all episode of the Big Bang Theory.
217. The Property Division Collision19 Min12/1/2016$2.99
The Birthday Synchronicity
Season 1: Episode 218CCHD
While Sheldon and Amy celebrate Amy’s birthday, Howard and Bernadette welcome their new Baby Wolowitz.
218. The Birthday Synchronicity20 Min12/15/2016$2.99
The Birthday Synchronicity
Season 1: Episode 218CCHD
While Sheldon and Amy celebrate Amy’s birthday, Howard and Bernadette welcome their new Baby Wolowitz.
218. The Birthday Synchronicity20 Min12/15/2016$2.99
The Holiday Summation
Season 1: Episode 219CCHD
Sheldon and Amy visit Leonard and Penny for the first time since the holidays and share details about their terrible trip to Texas. Laurie Metcalf returns as Sheldon’s mother, Mary.
219. The Holiday Summation20 Min1/5/2017$2.99
The Holiday Summation
Season 1: Episode 219CCHD
Sheldon and Amy visit Leonard and Penny for the first time since the holidays and share details about their terrible trip to Texas. Laurie Metcalf returns as Sheldon’s mother, Mary.
219. The Holiday Summation20 Min1/5/2017$2.99
The Romance Recalibration
Season 1: Episode 220CCHD
After Penny feels that Leonard is taking her for granted, she decides to go on a spa weekend with Amy, leaving Sheldon to play the unlikely peacemaker. Meanwhile, Howard and Raj try to fix a squeaky floorboard in the baby’s room.
220. The Romance Recalibration18 Min1/19/2017$2.99
The Romance Recalibration
Season 1: Episode 220CCHD
After Penny feels that Leonard is taking her for granted, she decides to go on a spa weekend with Amy, leaving Sheldon to play the unlikely peacemaker. Meanwhile, Howard and Raj try to fix a squeaky floorboard in the baby’s room.
220. The Romance Recalibration18 Min1/19/2017$2.99
The Emotion Detection Automation
Season 1: Episode 221CCHD
Sheldon beta tests an MIT invention that helps him read people’s emotions. Meanwhile, Raj invites his ex-girlfriends over to give him dating advice, and Leonard can’t hide his feelings when Penny announces that her brother is coming to town. Guest stars LAURA SPENCER, KATE MICUCCI, ALESSANDRA TORRESANI and KATIE LeCLERC return as Raj’s ex-girlfriends.
221. The Emotion Detection Automation19 Min2/2/2017$2.99
The Emotion Detection Automation
Season 1: Episode 221CCHD
Sheldon beta tests an MIT invention that helps him read people’s emotions. Meanwhile, Raj invites his ex-girlfriends over to give him dating advice, and Leonard can’t hide his feelings when Penny announces that her brother is coming to town. Guest stars LAURA SPENCER, KATE MICUCCI, ALESSANDRA TORRESANI and KATIE LeCLERC return as Raj’s ex-girlfriends.
221. The Emotion Detection Automation19 Min2/2/2017$2.99
The Locomotion Reverberation
Season 1: Episode 222CCHD
This week is an all episode of the Big Bang Theory.
222. The Locomotion Reverberation20 Min2/9/2017$2.99
The Locomotion Reverberation
Season 1: Episode 222CCHD
This week is an all episode of the Big Bang Theory.
222. The Locomotion Reverberation20 Min2/9/2017$2.99
The Allowance Evaporation
Season 1: Episode 223CCHD
Sheldon and Amy have their first fight since moving in together, after he shares intimate details of their relationship with people at the university. Meanwhile, Raj is shocked by the realities of financial independence when he stops receiving support from his father (guest star BRIAN GEORGE).
223. The Allowance Evaporation17 Min2/16/2017$2.99
The Allowance Evaporation
Season 1: Episode 223CCHD
Sheldon and Amy have their first fight since moving in together, after he shares intimate details of their relationship with people at the university. Meanwhile, Raj is shocked by the realities of financial independence when he stops receiving support from his father (guest star BRIAN GEORGE).
223. The Allowance Evaporation17 Min2/16/2017$2.99
The Comic-Con Conundrum
Season 1: Episode 224CCHD
This week an all episode of the Big Bang Theory.
224. The Comic-Con Conundrum19 Min2/23/2017$2.99
The Comic-Con Conundrum
Season 1: Episode 224CCHD
This week an all episode of the Big Bang Theory.
224. The Comic-Con Conundrum19 Min2/23/2017$2.99
The Escape Hatch Identification
Season 1: Episode 225CCHD
This week an all episode of the Big Bang Theory.
225. The Escape Hatch Identification19 Min3/9/2017$2.99
The Escape Hatch Identification
Season 1: Episode 225CCHD
This week an all episode of the Big Bang Theory.
225. The Escape Hatch Identification19 Min3/9/2017$2.99
The Collaboration Fluctuation
Season 1: Episode 226CCHD
This week an all episode of the Big Bang Theory.
226. The Collaboration Fluctuation18 Min3/30/2017$2.99
The Collaboration Fluctuation
Season 1: Episode 226CCHD
This week an all episode of the Big Bang Theory.
226. The Collaboration Fluctuation18 Min3/30/2017$2.99
The Recollection Dissipation
Season 1: Episode 227CCHD
Sheldon pushes himself to the limit when he collaborates on projects with Leonard and Howard as well as Amy on the same day. Also, Bernadette nears the end of her maternity leave and must return to work. JOEL MURRAY guest stars as Doug.
227. The Recollection Dissipation19 Min4/6/2017$2.99
The Recollection Dissipation
Season 1: Episode 227CCHD
Sheldon pushes himself to the limit when he collaborates on projects with Leonard and Howard as well as Amy on the same day. Also, Bernadette nears the end of her maternity leave and must return to work. JOEL MURRAY guest stars as Doug.
227. The Recollection Dissipation19 Min4/6/2017$2.99
The Separation Agitation
Season 1: Episode 228CCHD
This week an all episode of The Big Bang Theory.
228. The Separation Agitation19 Min4/13/2017$2.99
The Separation Agitation
Season 1: Episode 228CCHD
This week an all episode of The Big Bang Theory.
228. The Separation Agitation19 Min4/13/2017$2.99
The Cognition Regeneration
Season 1: Episode 229CCHD
Leonard isn’t thrilled when Penny considers taking a new job offered by her ex-boyfriend, Zack (guest star BRIAN THOMAS SMITH).
229. The Cognition Regeneration19 Min4/27/2017$2.99
The Cognition Regeneration
Season 1: Episode 229CCHD
Leonard isn’t thrilled when Penny considers taking a new job offered by her ex-boyfriend, Zack (guest star BRIAN THOMAS SMITH).
229. The Cognition Regeneration19 Min4/27/2017$2.99
The Gyroscopic Collapse
Season 1: Episode 230CCHD
This week an all episode of the Big Bang Theory.
230. The Gyroscopic Collapse19 Min5/4/2017$2.99
The Long Distance Dissonance
Season 1: Episode 231CCHD
On the tenth season finale, the gang is concerned when Sheldon’s former admirer, Dr. Ramona Nowitzki (returning guest star RIKI LINDHOME) resurfaces while Amy is away at Princeton.
231. The Long Distance Dissonance19 Min5/11/2017$2.99
The Proposal Proposal
Season 1: Episode 232CCHD
In the eleventh season premiere, Amy gives Sheldon an answer to his proposal, while Howard and Bernadette struggle with some unexpected news. LAURIE METCALF returns as Sheldon’s mother, Mary; RIKI LINDHOME returns as Ramona; and STEPHEN HAWKING returns as Himself.
232. The Proposal Proposal20 Min9/25/2017$2.99
The Retraction Reaction
Season 1: Episode 233CCHD
Leonard angers the university – and the entire physics community – after he gives an embarrassing interview. Also, Amy and Bernadete bond over having to hide their success from Sheldon and Howard. NPR Host IRA FLATOW returns as himself, and REGINA KING returns as Mrs. Davis.
233. The Retraction Reaction21 Min10/2/2017$2.99
The Relaxation Integration
Season 1: Episode 234CCHD
As Sheldon stresses out about picking a wedding date, Amy tries to convince him that he has a more laid-back side by recording him talking in his sleep. Meanwhile Raj and Stuart (series regular KEVIN SUSSMAN) compete to win the heart of Bernadette’s new coworker, Ruchi (guest star SWATI KAPILA).
234. The Relaxation Integration20 Min10/9/2017$2.99
The Explosion Implosion
Season 1: Episode 235CCHD
Howard and Sheldon bond over their relationships with their disappointing fathers when they drive to the desert to shoot off a model rocket. Meanwhile, it rubs Leonard the wrong way when his mom (CHRISTINE BARANSKI) finds a new best friend in Penny.
235. The Explosion Implosion20 Min10/16/2017$2.99
The Collaboration Contamination
Season 1: Episode 236CCHD
Raj and Sheldon confide in Bernadette when they can’t handle Amy working together with Howard. Meanwhile, Leonard and Penny learn new tactics for dealing with Sheldon from an unlikely source.
236. The Collaboration Contamination19 Min10/23/2017$2.99
The Proton Regeneration
Season 1: Episode 237CCHD
Sheldon goes head-to-head with WIL WHEATON (recurring as Himself) for the role of the new Professor Proton; Meanwhile, Penny steps in to take care of Halley when Bernadette and Howard both wind up on bed rest.
237. The Proton Regeneration21 Min11/2/2017$2.99
The Geology Methodology
Season 1: Episode 238CCHD
Sheldon tries to keep his collaboration with Bert a secret; Penny and Bernadette coach Koothrappali on navigating his relationship with Ruchi.
238. The Geology Methodology19 Min11/9/2017$2.99
The Tesla Recoil
Season 1: Episode 239CCHD
Leonard and Howard are furious when they learn that Sheldon went to work with the military behind their backs. While Bernadette is on bed rest, she asks Raj go investigate when she suspects Ruchi might be trying to steal her job. Guest star DEAN NORRIS returns as Colonel Williams.
239. The Tesla Recoil18 Min11/16/2017$2.99
The Bitcoin Entanglement
Season 1: Episode 240CCHD
Sheldon tries to teach the guys a lesson after they cut him out of a potentially valuable Bitcoin investment; A seven-year-old video reveals a secret about Leonard and Penny’s relationship.
240. The Bitcoin Entanglement18 Min11/30/2017$2.99
The Confidence Erosion
Season 1: Episode 241CCHD
Sheldon and Amy try to eliminate stress from wedding planning by applying math to the process. Also, Raj “breaks up” with Howard after realizing his best friend is actually hurting his confidence.
241. The Confidence Erosion21 Min12/7/2017$2.99
The Celebration Reverberation
Season 1: Episode 242CCHD
Sheldon plans a dinner for Amy to celebrate her birthday; Leonard receives a letter from his brother on Christmas, which makes him feel like an underachiever, and rants about it.
242. The Celebration Reverberation19 Min12/14/2017$2.99
The Matrimonial Metric
Season 1: Episode 243CCHD
Sheldon and Amy subject their friends to a series of secret experiments to discover who would be the most qualified to be Best Man and Maid of Honour at their wedding.
243. The Matrimonial Metric20 Min1/4/2018$2.99
The Solo Oscillation
Season 1: Episode 244CCHD
When Sheldon kicks Amy out to work solo, she and Leonard bond during a series of science experiments. Meanwhile, Bert, the geologist, replaces Howard in his band, “Footprints on the Moon,” and Sheldon finds Penny a surprising source of scientific inspiration.
244. The Solo Oscillation21 Min1/11/2018$2.99
The Separation Triangulation
Season 1: Episode 245CCHD
Koothrappali learns the woman he's dating has a very upset husband; Sheldon rents his old room for a quiet place to work.
245. The Separation Triangulation19 Min1/18/2018$2.99
The Novelization Correlation
Season 1: Episode 246CCHD
Sheldon petitions Wil Wheaton to appear on the new "Professor Proton" show, but Wil offers a role to Amy instead; Penny gets angry when she thinks the female protagonist in Leonard's novel is based on her.
246. The Novelization Correlation21 Min9/25/2017$2.99
The Neonatal Nomenclature
Season 1: Episode 247CCHD
When Bernadette won't go into labor, her friends try different tactics to get things started; Wolowitz confronts Bernadette after Amy accidentally reveals she's already chosen their son's name.
247. The Neonatal Nomenclature18 Min3/1/2018$2.99
The Athenaeum Allocation
Season 1: Episode 248CCHD
While Leonard jumps through hoops to help secure the perfect wedding venue for Sheldon and Amy, Howard and Bernadette have a difficult time deciding which one of them should stay at home with the kids and who should return to work.
248. The Athenaeum Allocation20 Min3/8/2018$2.99
The Gates Excitation
Season 1: Episode 249CCHD
When Penny gets the opportunity to host BILL GATES (guest starring as himself) at work when his company wants to partner with her pharmaceutical company, Leonard, Howard and Raj do everything in their power to meet him, while Sheldon thinks he’s the victim of an April Fool’s prank.
249. The Gates Excitation20 Min3/28/2018$2.99
The Tenant Disassociation
Season 1: Episode 250CCHD
Leonard decides to contest against Sheldon in the presidency of the tenants association; Wolowitz and Koothrappali find a drone in their backyard and Bernadette encourages them to find its owner.
250. The Tenant Disassociation20 Min4/5/2018$2.99
The Reclusive Potential
Season 1: Episode 251CCHD
A brilliant, but reclusive scientist, Doctor Wolcott (guest star PETER MacNICOL) invites Sheldon to his cabin in the middle of nowhere, and Leonard, Howard and Raj go along for the trip. Penny and Bernadette improvise when Amy doesn’t like the tame bachelorette party they planned for her.
251. The Reclusive Potential21 Min4/12/2018$2.99
The Comet Polarization
Season 1: Episode 252CCHD
Neil Gaiman, a writer, helps publicise Stuart's store and changes Sheldon's comic bookshop experiences; Koothrappali and Penny's friendship becomes strained after he takes credit for her discovery.
252. The Comet Polarization20 Min4/19/2018$2.99
The Monetary Insufficiency
Season 1: Episode 253CCHD
Sheldon goes to Vegas and does everything he can to win three hundred million dollars for science. Meanwhile, Penny and Bernadette take Amy shopping for wedding dresses, but her terribly choice entangles them in a web of lies.
253. The Monetary Insufficiency19 Min4/26/2018$2.99
The Sibling Realignment
Season 1: Episode 254CCHD
Sheldon's mother won't attend his wedding unless he invites his brother; the Wolowitz kids inadvertently infest Amy, Bernadette, Wolowitz and Koothrappali with pink eye.
254. The Sibling Realignment20 Min5/3/2018$2.99
The Bow Tie Asymmetry
Season 1: Episode 255CCHD
On the eleventh season finale, Amy’s parents (guest stars KATHY BATES and TELLER) arrive along with Sheldon’s family (guest stars LAURIE METCALF, JERRY O’CONNELL and COURTNEY HENGGELER). And everybody’s focused on making sure all goes according to plan – everyone except the bride and groom. MARK HAMILL and WIL WHEATON also guest star.
255. The Bow Tie Asymmetry21 Min5/10/2018$2.99
The Conjugal Configuration
Season 1: Episode 256CCHD
In the twelfth season premiere, Sheldon and Amy’s honeymoon runs aground in New York, while Penny and Leonard discover they are uncomfortably similar to Amy’s parents; Meanwhile Raj insults physicist NEIL DEGRASSE TYSON and starts a Twitter war. KATHY BATES and TELLER return as Amy’s parents.
256. The Conjugal Configuration20 Min9/24/2018$2.99
The Wedding Gift Wormhole
Season 1: Episode 257CCHD
Sheldon and Amy drive themselves crazy trying to figure out what “perfect gift” Leonard and Penny got them for their wedding. Meanwhile, Raj decides he wants to settle down and asks his father to find him an arranged marriage.
257. The Wedding Gift Wormhole21 Min9/27/2018$2.99
The Procreation Calculation
Season 1: Episode 258CCHD
Howard and Bernadette’s life gets complicated when Stuart (series regular KEVIN SUSSMAN) starts bringing his new girlfriend home; Meanwhile, Penny and Leonard talk about starting a new family, as Raj explores an arranged marriage.
258. The Procreation Calculation20 Min10/4/2018$2.99
The Tam Turbulence
Season 1: Episode 259CCHD
When Sheldon won't tell anyone why he's never mentioned Tam, his childhood best friend, Leonard takes matters into his own hands; Bernadette and Penny take Raj's fiancee out to dinner to get to know her.
259. The Tam Turbulence18 Min10/11/2018$2.99
The Planetarium Collision
Season 1: Episode 260CCHD
When Amy doesn’t have time to work on super-asymmetry, Sheldon goes to great lengths to ensure she’s available to work with him even if it means accidentally sabotaging her career in the process.Meanwhile, Raj doesn’t want Howard to join him in hosting a show at the planetarium. BOB NEWHART returns as Arthur Jeffries.
260. The Planetarium Collision18 Min10/18/2018$2.99
The Imitation Perturbation
Season 1: Episode 261CCHD
When Wolowitz dresses up as Sheldon for Halloween, Sheldon seeks retaliation at Leonard and Penny's Halloween party; Leonard is shocked when Penny doesn't remember their first kiss.
261. The Imitation Perturbation19 Min8/27/2018$2.99
The Grant Allocation Derivation
Season 1: Episode 262CCHD
Leonard is caught between a rock and a hard place when he’s responsible for distributing extra grant money. Also, Bernadette turns the backyard playhouse into a hideaway from her husband and kids.
262. The Grant Allocation Derivation19 Min11/1/2018$2.99
The Consummation Deviation
Season 1: Episode 263CCHD
Sheldon tries to bond with Amy's father, but when Wolowitz lures Mr. Fowler away with magic tricks, Sheldon has no choice but to bond with Mrs. Fowler; Koothrappali and Anu try to get physical for the first time.
263. The Consummation Deviation21 Min11/8/2018$2.99
The Citation Negation
Season 1: Episode 264CCHD
Sheldon and Amy are devastated to learn from a Russian paper that Super-Asymmetry has already been discovered and disproven. Meanwhile, ultra-competitive Bernadette asks Stuart’s girlfriend, Denise (recurring guest star LAUREN LAPKUS), to teach her how to play the videogame Fortnite.
264. The Citation Negation20 Min11/15/2018$2.99
The VCR Illumination
Season 1: Episode 265CCHD
A VHS tape from Sheldon's past inspires him not to give up; Bernadette turns into a pageant mom when she tries to help Wolowitz with his Magic Castle audition.
265. The VCR Illumination20 Min12/6/2018$2.99
The Paintball Scattering
Season 1: Episode 266CCHD
Penny and Leonard organize a paintball game that results in mayhem, when Sheldon is jealous of Amy, Raj catches Anu with her ex-boyfriend, and Stuart doesn’t want to move in with Denise.
266. The Paintball Scattering19 Min1/3/2019$2.99
The Propagation Proposition
Season 1: Episode 267CCHD
Penny's ex-boyfriend Zack learns that he is infertile, so he asks Leonard for help; Koothrappali attempts to mend things with his ex-fiancee Anu.
267. The Propagation Proposition19 Min1/10/2019$2.99
The Confirmation Polarization
Season 1: Episode 268CCHD
Sheldon and Amy are thrilled when their super asymmetry theory is proven by two physicists, until they try to kick Amy off the Nobel nomination; Bernadette has a big success at work.
268. The Confirmation Polarization20 Min1/17/2019$2.99
The Meteorite Manifestation
Season 1: Episode 269CCHD
Sheldon is thrilled to help Howard & Bernadette navigate bureaucratic paperwork… until he discovers they are breaking the law!
269. The Meteorite Manifestation19 Min1/31/2019$2.99
The Donation Oscillation
Season 1: Episode 270CCHD
Penny tries to throw a wrench into Leonard's plan to be a sperm donor for her ex-boyfriend; Wolowitz, Bernadette, Anu and Koothrappali turn Koothrappali's canceled bachelor party into a couple's trip aboard the "vomit comet."
270. The Donation Oscillation21 Min8/27/2018$2.99
The D & D Vortex
Season 1: Episode 271CCHD
When the gang finds out that Wil Wheaton hosts a celebrity Dungeons & Dragons game involving WILLIAM SHATNER, JOE MANGANIELLO, NBA legend KAREEM ABDUL-JABBAR and director KEVIN SMITH, deception and betrayal are the path to make it to the one open seat.
271. The D & D Vortex20 Min2/21/2019$2.99
The Conference Valuation
Season 1: Episode 272CCHD
When Penny and Bernadette got to San Diego for a pharmaceutical sales convention, Howard is left in charge of the kids. But when Sheldon finds a book on experimenting with children, the guys and Amy make a day of it.
272. The Conference Valuation19 Min3/5/2019$2.99
The Laureate Accumulation
Season 1: Episode 273CCHD
When competitors Pemberton and Campbell (guest stars SEAN ASTIN and KAL PENN) charm America on a publicity tour, Sheldon and Amy try to bring Nobel laureates KIP THORNE, GEORGE SMOOT and FRANCES ARNOLD to their side (this episode sets the record for most Nobel laureates appearing in a comedy). Meanwhile, Halley’s fear of the dark leads to both opportunity and conflict for Howard, Bernadette and Stuart.
273. The Laureate Accumulation21 Min4/4/2019$2.99
The Inspiration Deprivation
Season 1: Episode 274CCHD
The concept of what it would mean for women everywhere if Amy were to win a Nobel Prize causes Amy to have a meltdown. Meanwhile, Raj and Howard try to relive the good old days when Howard buys a scooter that resembles the one he had years ago.
274. The Inspiration Deprivation20 Min4/18/2019$2.99
The Decision Reverberation
Season 1: Episode 275CCHD
While Raj is worried that people won’t take him seriously in his own field after publishing a paper suggesting he may have discovered alien life, Penny encourages Leonard to stand up for himself when he wants to be the principal investigator on a plasma physics study.
275. The Decision Reverberation19 Min4/25/2019$2.99
The Plagiarism Schism
Season 1: Episode 276CCHD
When Barry Kripke finds proof that Dr. Pemberton plagiarized his thesis in college, Sheldon and Amy aren’t sure if they should turn him in or not. And Howard is happily surprised to learn that Bernadette wasn’t the only waitress at The Cheesecake Factory who had a crush on him back in the day.
276. The Plagiarism Schism19 Min5/2/2019$2.99
The Maternal Conclusion
Season 1: Episode 277CCHD
Leonard is pleasantly surprised when Beverly comes to visit and she's genuinely kind to him, until he finds out the real reason she's there; Denise and Stuart overstay their welcome at the Wolowitz house.
277. The Maternal Conclusion20 Min5/9/2019$2.99
The Change Constant
Season 1: Episode 278CCHD
Everything changes as Sheldon and Amy await big news in the first of a two-part series finale.
278. The Change Constant19 Min5/16/2019$2.99
The Stockholm Syndrome
Season 1: Episode 279CCHD
It’s an end and a beginning on the second of a two-part series finale. Howard and Bernadette leave their kids for the first time; Leonard and Penny try to keep a secret; Sheldon and Amy stick together; and Raj makes a new friend as the gang travels together into an uncharted future.
279. The Stockholm Syndrome23 Min5/16/2019$2.99
Additional information
Networks
CBS
Subtitles
English (CC)
Duration
304 Episodes (4 Days 6 H 59 Min)
Audio
English
Released year
2007
Genres
Comedy