Scooby-Doo, Shaggy, Fred, Velma and Daphne face their most challenging mystery yet - a plot to unleash the ghost dog Cerberus upon the world. Along the way, they discover that Scooby has a destiny greater than anyone ever imagined. Animated comedy, with the voices of Will Forte, Mark Wahlberg, Jason Isaacs, Zac Efron and Amanda Seyfried