In this animated adventure, the beloved Mystery Inc. gang finds themselves entangled in a supernatural mystery involving vampires during a music festival. As they delve deeper into the eerie occurrences, they must unravel the truth behind the vampire legend to save the day. Directed by David Block, the film features the familiar voices of Frank Welker, Matthew Lillard, and Mindy Cohn. While it didn’t receive any notable awards, it offers a blend of humor and suspense that fans of the franchise will appreciate. For those interested, the movie is available to watch for free on 123Movies / Movies123.