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.

The journey of Manolo, a young man who is torn between fulfilling the expectations of his family and following his heart. Before choosing which path to follow, he embarks on an incredible adventure that spans three fantastical worlds where he must face his greatest fears.