Big Top Scooby-Doo!

In this episode, Scooby-Doo and the gang help Marius Brancusi, a ringleader of a circus, against the werewolf that steal artists and jewelry. Undercover as circus performers, the gang find out that the werewolf are two performers who had worked with Marius's uncle for years. They finally help Marius find Marius' stolen artists and jewelry.