Scooby-Doo and the gang team up with their pals, Bill Nye The Science Guy and Elvira Mistress of the Dark, to solve this mystery of gigantic proportions and save Crystal Cove!
Not streaming on a subscription service in the US right now.
Starring Frank Welker, Grey DeLisle, Matthew Lillard, Kate Micucci, Cassandra Peterson, Bill Nye, Dwight Schultz, Kamali Minter, Bumper Robinson, Roger Craig Smith