Alvin and the Chipmunks Meet the Wolfman (2000)
Alvin and the Chipmunks Meet the Wolfman is a 2000 animated horror-themed direct-to-video film, produced by Bagdasarian Productions and Universal Animation Studios, distributed by Universal Studios Home Entertainment, and based on characters from Alvin and the Chipmunks. It was released on VHS in 2000 and DVD (as a "Monster Pack" with Alvin and the Chipmunks Meet Frankenstein, Monster Mash, and four episodes of Archie's Weird Mysteries) in 2004 by Universal Studios Home Entertainment. A Scare-riffic Double Feature DVD featuring Alvin and the Chipmunks Meet Frankenstein and this film was released on September 4, 2007. Another Scare-riffic Double Feature DVD featuring Alvin and the Chipmunks Meet Frankenstein and this film was re-released on March 11, 2008.
More at Wikipedia.