Scooby-Doo and the gang are on the case when a mysterious lake monster starts scaring the guests at a summer resort in Erie Point, where Fred, Daphne, Velma and Shaggy…

Kickboxing champion B.J. is jailed for an accidental murder thanks to the testimony of his arch-nemesis Denard. A year later, B.J. is released and then challenged by Denard for $100,000….