Big Top Scooby-Doo!

Scooby-Doo and the gang go undercover as circus performers to solve the mystery of a werewolf plaguing a traveling Brancusi Circus in Atlantic City. As they prepare for their own private show, they uncover a sinister plot involving a stolen jewel, a black diamond, and the ringmaster's true identity. The gang must work together to unmask the real culprit behind the werewolf attacks and save the circus from destruction.