Vampire strikes back: The gang runs into a real life vampire in a Transylvanian castle. Mummy scares best: The gang investigates a mummy on the loose in Egypt. High-tech house of the future: The gang is trapped in a berserk automated house of the future at the Omaha World Fair. She sees a sea monster by the sea shore: The gang's tropical island vacation is ruined by a boat-smashing sea monster.
Monsters -- Juvenile films.
Mummies -- Juvenile films.
Private investigators -- Juvenile films.
Scooby-Doo (Fictitious character) -- Juvenile films.
Vampires -- Juvenile films.
Children's television programs.
Video recordings for the hearing impaired.
Cartoon Network (Television network)
Cohn, Mindy, 1966-
Smith, Dexter, 1842?-1909.
Warner Bros. Animation.
Warner Bros. Television.
Warner Home Video (Firm)