IMDB - https://www.imdb.com/title/tt15554066

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GENERAL INFO
Genre: Animation, Adventure, Mystery, TV Movie
Jonathan Stern
Stars: Frank Welker, Matthew Lillard, Grey DeLisle, Kate Micucci, Cheri Oteri
After 52 years of solving mysteries, the Scooby gang reunite at Warner Bros. Studios to reminisce about their favorite cases and how they were filmed. But it turns out that the back lot may have its OWN monster problem. Fred, Daphne, Velma, Shaggy, and Scooby-Doo investigate this mystery while celebrating the legacy of the franchise.

Included subtitles
English