Big Top Scooby Doo!

Big Top ScoobyDoo is the eighteenth film in the directtovideo series of ScoobyDoo films. The DVD was released on October 9, 2012 by Warner Home Video.

The next morning, Marius introduces the gang to the other circus artists. Scooby and Shaggy pose as animal artists and team up with animal trainer Whitney Doubleday, who informs them that Marius plans to eliminate all the animal acts in order to modernize the circus. Velma is given a role as a human cannonball and works with strong man Archambault. Fred is given a position as a backup trapeze artist and meets the other trapeze artist, Oliverio, and his girlfriend Lena. Oliverio immediately becomes jealous of Fred when Lena begins to flirt with him. Daphne works as a motorcycle stunt artist and meets the circus clowns, Schmatko and Sisko. Sisko only communicates with a horn. Schmatko tells Daphne that he is reluctant to have this role as a clown, and says that he was once an actor in the Soviet Union. Afterwards, when Schmatko goes to get refreshments, he is abducted by the werewolf.Later on the gang witness another robbery by the werewolf and are chased by a second werewolf wearing Schmatkos uniform. The gang escape and return to the circus to inform Marius. Despite this, Marius decides that the show must go on. Daphne fills in for Schmatko, while Fred does a tightrope act to fill in time. The shows goes very well, especially Scoobys act, although Shaggy takes credit for Scoobys performance when he tells the audience that hes Scoobys trainer. Before Velma can perform her act, the two werewolves attack Shaggy and Scooby. Fred and Marius manage to drop the trapeze safety net on them, but werewolves are nowhere to be found when they search the net. In spite of the attack, the performers receive a big round of applause from the audience, who believe that the werewolves were just part of the show. ........

Source: Wikipedia