Plenty of chills, thrills, and laughs are in store for the gang in this feature-length animated film. Class has begun and Scooby, Shaggy, and Scrappy's new students are none other than a madcap mummy, a funny phantom, and a wacky werewolf! And it's our terrified heroes to the rescue when the wicked Revolta sets out to brainwash the little ghouls.