

In Scooby-Doo’s greatest adventure yet, see the never-before told story of how lifelong friends Scooby and Shaggy first met and how they joined forces with young detectives Fred, Velma, and Daphne to form the famous Mystery Inc. Now, with hundreds of cases solved, Scooby and the gang face their biggest, toughest mystery ever: an evil plot to unleash the ghost dog Cerberus upon the world. As they race to stop this global “dogpocalypse,” the gang discovers that Scooby has a secret legacy and an epic destiny greater than anyone ever imagined.
Acting
Frank Welker still perfect after 50 years of Scooby voices
Production
Hanna-Barbera cinematic universe setup nobody asked for but committed to
Visual Effects
Velma's sweater texture rendered with suspicious dedication

Director
Tony Cervone
Trivia, insights & behind the scenes
This was originally planned as a live-action/CGI hybrid before going full animation, which explains the oddly cinematic scope.
The Blue Falcon/Dynomutt revival was a testing ground for Warner Bros.' abandoned Hanna-Barbera Shared Universe plans—RIP Yogi Bear Avengers.