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. Stars Amanda Seyfried, Frank Welker, Mckenna Grace, Christina Hendricks, Ariana Greenblatt, Mark Wahlberg, Zac Efron, Gina Rodriguez, Henry Winkler, Will Forte, Jason Isaacs, Iain Armitage, Kiersey Clemons, Ken Jeong, Tracy Morgan, Pierce Gagnon, Simon Cowell, Harry Perry, John DiMaggio, Kevin Heffernan, Ira Glass, Henry Kaufman, Maya Erskine, Billy West, Don Messick, Fred Tatasciore, Justina Machado, Kennedy Peil, John McDaniel, Ryan Folsey, Pam Coats, Alex Kauffman, Vanara Taing, Sarah Lancia, Eric Cowell, Maven Morgan, Adam Sztykiel, Michael Kurinsky, Tony Cervone,
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