While the Chipmunks are working at the amusement park, Majestic Movie Studios, in a singing attraction. Little do they know that the real Dr. Frankenstein are in a new attraction called, "Frankenstein's Castle". After Alvin drives a crazy bus ride, they miss their next performance and get locked in the park after closing time. Dr. Frankenstein figures that the castle isn't scary enough and re-creates the real Frankenstein and after the monster finds the boys, it starts a wild and wacky adventure!
| Directing | Kathi Castillo | Director |
| Writing | John Loy | Screenplay |
| Sound | Mark Watters | Music |
| Production | Ross Bagdasarian, Jr. | Executive Producer |
| Production | Kathi Castillo | Producer |
| Production | Janice Karman | Executive Producer |
| Editing | Jay Bixsen | Editor |
| Production | Ginny McSwain | Casting |
| Art | Flamarion Ferreira | Art Direction |
| Visual Effects | Kathi Castillo | Character Designer |
| Writing | Mary Shelley | Characters |
