Alvin and the Chipmunks Meet the Wolfman is a 2000 English-language Animation Comedy motion picture directed by Kathi Castillo and produced by Kathi Castillo under the banner of Bagdasarian Productions in collaboration with Universal Cartoon Studios and Tama Productions. As he and his brother Simon investigate, shy sibling Theodore, who has been reluctantly cast in the school's production of Dr. Jekyll and Mr. Hyde, finds his inner monster after being attacked by a strange dog. Alvin and the chipmunks meet the wolfman stars Ross Bagdasarian Jr. in the lead role along with an ensemble cast including Janice Karman, Miriam Flynn, E.g. Daily, Maurice Lamarche, Rob Paulsen and Frank Welker. The screenplay is written by John Loy which is inspired from Alvin and the Chipmunks by Ross Bagdasarian Sr. The music was composed by Mark Watters. Editing was done by Jay Bisxen. The film has a running time of 77 minutes. It was released on 29th August 2000. Distribution rights for the film were acquired by Universal Studios Home Video. As he and his brother Simon investigate, shy sibling Theodore, who has been reluctantly cast in the school's production of Dr. Jekyll and Mr. Hyde, finds his inner monster after being attacked by a strange dog.