While shopping for Shaggy's birthday present, Scooby-Doo and the gang make the acquaintance of a security robot as they work to solve a burglary in the department store.
The Mystery, Inc. gang travels to Hawaii for some fun and relaxation, but their plans are interrupted by the appearance of a menacing tiki monster that warns them to leave the island.
While the rest of the gang go to a movie, Scooby and Shaggy decide to visit a restaurant in the mall, but their meal is interrupted by a mummy who is terrorizing the mall.