Scooby-Doo is Scooby’s first full-length animated adventure, telling the untold story of Scooby’s origins and the most intriguing and thrilling case in the history of Mystery Inc. Scooby-Doo tells the story of how Scooby first met his lifelong friend Shaggy, and how they teamed up with teenage detectives Fred, Velma and Daphne to form the world-famous Mystery Inc. Now, with hundreds of mysteries solved and countless adventures under their belts, Scooby and his friends find themselves facing their most thrilling and challenging mystery case ever: a plot to unleash Cerberus, the “ghost dog”, back into the world. As they desperately try to stop this global catastrophe, they discover Scooby’s secret origins and a mysterious destiny that’s beyond imagination.