Scooby Doo! Music of the Vampire

ScoobyDoo Music of the Vampire is the seventeenth film in the directtovideo series of ScoobyDoo films. This installment is notable for being the first of the films to be a musical. The film was released to rent through Amazon Video and iTunes on December 22, 2011. It was released on DVD and Bluray on March 13, 2012. It premiered on Cartoon Network on March 3, 2012.

The Gang and Van Helsing attend a performance by Fangenschanz, a troupe of vampire actors. Their leader, Bram, who catches the eye of Daphne, announces the group will perform a vampire resurrection chant. To everyones surprise, their chant proves successful, and the resurrected Vadronya appears on the stage before flying away. Back at the museum, the Gang discovers the jewels missing and the body gone, although the tomb is still sealed. Out on the festival grounds, they find Lita Rutland wants to profit from the publicity of the vampire appearance. She tells a phony story about being attacked that gets on the news. Jasper Poubelle also gets a media exposure benefit for his antivampire crusade. They check out the trailer of his organization and discover he plans to run for Mayor, and is using the vampire story to increase his notoriety. On the way back, they are attacked by Valdronya. He clings to the top of the Mystery Machine and reaches in through the skylight. Daphne tears off a piece of fabric from his sleeve, and Velma forces him off the car by running through a very low tunnel.That night, Shaggy and Scooby are attacked by Valdronya and chased into the swamp. There they meet Tulie, who reveals he invented a pair of hover shoes, but the plans were stolen by vampires, and he was forced to flee into the swamp. Meanwhile, Fred, Daphne, and Velma discover the fabric from Vadronyas costume is from modern material. Van Helsing, however, says the clothing has been changed over the years, but the body is still the original vampire. Daphne decides to question the Fangenschanz troupe and meets with Bram. When she rejects his offers of affection, with a promise of immortality, he kidnaps her to become the bride of Valdronya. ........

Source: Wikipedia