Scooby and the gang are enjoying a trip to Hawaii when a spooky witch doctor begins to make trouble. Can they solve the mystery of the haunted volcano?
Scooby-Doo and his friends from Mystery, Inc. investigate when the legendary headless horseman haunts the area near the Ruppscupper cabin at the same time that the heir to the Ruppscupper estate returns home after years of absence.
Scooby and the gang watch a checkers champ face off against the computer when the computer suddenly comes to life, and now the group has to expose the culprit before it's too late.