Feature-length animated adventure following Scooby-Doo (voice of Frank Welker) and the gang as they team up to investigate another mystery, this time in LEGO form. After Scooby and Shaggy (Matthew Lillard) win a burger-eating contest, the gang are invited on a tour of Hollywood's Brickton Studios, famous for producing classic monster movies. But when they get there, they discover the owner, Chet Brickton (James Arnold Taylor), is being forced to sell the studio because his latest features are being sabotaged by ghostly monsters. Can Scooby, Shaggy, Velma (Kate Micucci), Daphne (Grey Griffin) and Fred (Welker) solve the mystery before Brickton Studios is forced to close its doors forever?