Happy Halloween, Scooby-Doo! [721656] Released: 2020-10-06 Revenue: $0 Budget: $0 Profit: $0 Runtime: 77 mins Popularity: 2.5521 Vote Average: 7.8 Vote Count: 243 Overview: 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 [12] Frank WelkerScooby-Doo / Fre Grey DeLisleDaphne Blake Matthew LillardShaggy Rogers Kate MicucciVelma Dinkley Cassandra PetersonElvira, Mistress Bill NyeBill Nye Dwight SchultzDr. Crane, AKA: Kamali MinterMichelle Bumper RobinsonMike Roger Craig SmithAutopilot / Pare Fred TatascioreAlpha Jackal-Lan David HermanSheriff, AKA: Cu Hompage: https://www.warnerbros.com/movies/happy-halloween-scooby-doo Trailers 10 Minute Preview This Isn't Happening! Clip Trailer