Synopsis
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! 
Original title Happy Halloween, Scooby-Doo!
IMDb Rating 6.2 2,252 votes
TMDb Rating 7.8 240 votes
Director
Director
Cast
Scooby-Doo / Fred Jones (voice)
Daphne Blake (voice)
Shaggy Rogers (voice)
Velma Dinkley (voice)
Elvira
Bill Nye (voice)
Dr. Crane
Michelle (voice)
Mike (voice)
Autopilot / Parent (voice)
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