Happy Halloween, Scooby-Doo!

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!

Cast

Frank Welker

Grey DeLisle

Matthew Lillard

Kate Micucci

Cassandra Peterson

Bill Nye

Dwight Schultz

Kamali Minter

Bumper Robinson

Roger Craig Smith

Fred Tatasciore

David Herman