Alvin and the Chipmunks: The Squeakquel is a 2009 American
live-action/computer-animated jukebox musical comedy film directed by Betty
Thomas, written by Jon Vitti, Jonathan Aibel and Glenn Berger, and produced by
Janice Karman and Ross Bagdasarian Jr.. The second installment in its
live-action film series and the sequel to Alvin and the Chipmunks (2007), the
film stars Zachary Levi, David Cross and Jason Lee. Justin Long, Matthew Gray
Gubler and Jesse McCartney return as the Chipmunks from the previous film. Amy
Poehler, Anna Faris and Christina Applegate voice the new characters, the
Chipettes. The film sees the Chipmunks entering high school and being under the
care of Dave Seville's cousin, Toby, while Ian Hawke recruits the Chipettes to
restore his career.