In the first cinematic animation from Scooby-Doo in the main role we will learn new threads about the origin of the cute pooch. We will also see the most intricate investigation in the history of the Mystery Company. SCOOBY-DOO! shows the beginnings of many years of friendship between Scooby and Shaggy. We'll find out how, together with Fred, Velma and Daphne, they founded the famous Mystery Company. Now, after hundreds of investigations and adventures, Scooby and his gang are facing the biggest and most difficult challenge. Someone wants to free the dog from the underworld, Cerberus. Young detectives are trying to stop the global "apocalypse." At the same time, they uncover secrets from Scooby's past and learn his destiny - more wonderful than anyone had imagined.