Animation Comedy Family Mystery Fantasy
The gang goes on a trip to check on Velma's younger sister, Madelyn. She's been studying stage magic at the Whirlen Merlin Magic Academy, where apparently there have been sightings of a giant griffin. The gang decides to investigate.
Directed by
Tony Cervone, Spike Brandt
Matthew Lillard
Shaggy Rogers (voice)
Dee Bradley Baker
Sherman (voice)
Grey DeLisle
Daphne Blake (voice)
Frank Welker
Scooby-Doo / Fred Jones (voice)
Olivia Hack
Treena (voice)
John DiMaggio
Groundskeeper Amos (voice)
Danica McKellar
Madelyn Dinkley (voice)
Jeffrey Tambor
Mr. Calvin Curdles (voice)
John Stephenson
The Sheriff (voice)
James Patrick Stuart
Whirlen Merlin (voice)
Crystal Scales
Crystal (voice)
Brian Posehn
Marlon Whirlen (voice)
Mindy Cohn
Velma Dinkley (voice)
Dave Attell
GPS (voice)
Diane Delano
Mrs. Alma Rumblebuns (voice)
Misty Lee
Melique Berger
Upset Mother (voice)

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