A masked villain wreaks mayhem on the city of Coolsville with a monster machine that creates real-life versions of Mystery Inc.'s former foes like The 10,000 Volt Ghost, The Cotton Candy Glob, The Skelemen and The Pterodactyl Ghost. Fred, Daphne, Shaggy, Velma and Scooby-Doo launch an investigation into the monster outbreak that leaves Shaggy and Scooby questioning their roles in Mystery Inc. Eager to prove their detective skills, the ever-ravenous duo comes up with a secret plan to solve the mystery all by themselves. Can the gang unravel their most challenging case?
as Fred
as Daphne
as Shaggy
as Velma
as Scooby-Doo Voice / Tasmanian Devil (voice)
as Patrick
as Old Man Wickles
as Jacobo
as Heather
as Pat O'Brien
as Chauffeur
as Ned
as Daphne's Tattooed Fan #1
as Daphne's Tattooed Fan #2
as Mullet Nerdette #1
as Mullet Nerdette #2
as Mullet Nerdette #3
as Skater Dude #2
as Skater Dude #3
as Skater Dude #1
as Flashback Security Guard #1
as Flashback Security Guard #2
as Kid on Bike #1
as Kid on Bike #2
as Buttercup Scout
as Man in Suit
as Man in Suit
as Museum Guard
as Museum Guard
as C.L. Magnus
as Aggie Wilkins
as Scared Man
as Investor
as Investor
as Man in Car
as Shaggy Chick
as Young Shaggy
as Young Daphne
as Young Fred
as Young Velma
as Harry Lang
as Faux Ghost Patron
as Faux Ghost Patron
as Pickle Man/Faux Ghost Patron
as Vomit Reporter
as Reporter #1
as Reporter #2
as Reporter #3
as Reporter #4
as Evil Masked Figure (voice)
as Black Knight Ghost
as Miner 49er
as Zombie
as Ruben Studdard
as 10,000 Volt Ghost / Zombie / Red Eye Skeleton (voice)
as Black Knight (voice)
as Tar Monster / Cotton Candy Glob (voice)
as 10,000 Volt Ghost (voice)
as Scooby Brainiac (voice)
as Green-Eyed Skeleton (voice)
as Big Brovaz
as Big Brovaz
as Big Brovaz
as Big Brovaz
as Big Brovaz
as Big Brovaz
