Scooby-Doo! Vacation Mayhem 3-Film Collection Includes: Scooby-Doo! Big Top Scooby Doo! - When Scooby and the gang hear of a werewolf plaguing a traveling circus, they go undercover as circus performers to get to the bottom the mystery. Aloha, Scooby-Doo! - Scooby-Doo and the Gang head to Hawaii for a big surfing contest that is disrupted by the grumblings of a nearby volcano and the disappearance of a surfing hottie. Scooby-Doo! Stage Fright - Daphne and Fred try out for a talent show that takes place in an old opera house, but the show may be cancelled before rehearsals when a masked Phantom re-appears from the past.