Videos: Trailers, Teasers, Featurettes
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!
Happy Halloween Scooby-Doo! - watch online: streaming, buy or rent
You can buy "Happy Halloween, Scooby-Doo!" on Google Play Movies, Microsoft Store, Rakuten TV, Apple iTunes, Blockbuster as download or rent it on Microsoft Store, Apple iTunes, Rakuten TV, Google Play Movies, Blockbuster, Viaplay online.