The gang takes a break from monster hunting to attend the Vampire Festival in the Little Bat village, where they meet the oldest living Van Helsing relative, a struggling author. They visit his vampire museum, featuring the oldest "living" vampire, Valdronya, encased in a coffin. However, a group of self-proclaimed vampire actors accidentally awaken Valdronya during their performance, and chaos ensues as the real vampire begins to wreak havoc, with a peculiar obsession with making Daphne his bride.

Scooby-Doo! Music of the Vampire
When a film production team sets out to capture the eerie essence of vampires on screen, they unwittingly invite a real-life bloodthirsty creature to join the cast, sending the Scooby-Doo gang scrambling to unravel the mysteries behind the haunting occurrences.