Scooby-Doo and the rest of Mystery, Inc. gang are about to take on a bonafide DC supervillain in the upcoming animated movie Happy Halloween, Scooby-Doo!

In the debut trailer, Scooby and the gang are seen celebrating Halloween with Elvira, Mistress of the Dark, in a lavish parade through a small town. However, the festivities are interrupted by none other than Dr. Jonathan Crane, aka the classic Batman villain Scarecrow. Having recently escaped from Arkham Asylum, Scarecrow targets the revelers with explosive drones while raising genetically engineering pumpkin monsters using experimental technology.

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Fortunately for Mystery, Inc. and Elvira, Bill Nye the Science Guy arrives to save the day, giving the team a futuristic new ride, advising them in the form of a hologram and remotely controlling his own automated systems as the gang flees from Scarecrow's monstrous army.

Happy Halloween, Scooby-Doo! is helmed by The Grim Adventures of Billy & Mandy creator Maxwell Atoms, joined by longtime Warner Bros. Animation producer Sam Register in what is sure to be to be a star-studded Halloween celebration.

Written, directed and produced by Maxwell Atoms, Happy Halloween, Scooby-Doo! stars Frank Welker, Matthew Lillard, Grey Griffin, Kate Micucci, Dwight Schultz, Cassandra Peterson and Bill Nye the Science Guy. The film arrives on Digital HD, Blu-ray and DVD this fall.

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