The franchise continues beyond the live action film as Scooby-Doo, Velma, Fred, Daphne, and Shaggy find themselves in another supernatural quandry that they must once again debunk. This time, the gang and other members of a castle are haunted by a vampire. The vampire can become a bat whose flight speed can outrun the Mystery Van, so the sleuths and their trusty dog better act fast in getting to the bottom of this one.