Pop sensations Alvin, Simon and Theodore end up in the care of Dave Seville's twenty-something nephew Toby. The boys must put aside music super stardom to return to school, and are tasked with saving the school's music program by winning the ,000 prize in a battle of the bands. But the Chipmunks unexpectedly meet their match in three singing chipmunks known as The Chipettes - Brittany, Eleanor and Jeanette. Romantic and musical sparks are ignited when the Chipmunks and Chipettes square off.
Production: Fox 2000 Pictures, Bagdasarian Productions, Regency Enterprises, 20th Century Fox, Dune Entertainment
Cast: Zachary Levi, David Cross, Jason Lee, Justin Long, Matthew Gray Gubler, Jesse McCartney, Amy Poehler, Anna Faris, Christina Applegate, Wendie Malick, Anjelah Johnson-Reyes, Kathryn Joosten, Kevin Schmidt, Chris Warren, Bridgit Mendler, Aimee Carrero, Alexandra Shipp, Gregg Binkley, Jake Zyrus, Bernard White, Adele Jacques, Joy Osmanski, Archie Hahn, Lanny Joon, Brando Eaton, Michael Bruno, Andrew Lee Schmidt, Alexander Noyes, Jason Rosen, Ali Mikles, Eric Bauza, Sean Astin, Marty Dew, Richy Jackson, Mihran Kirakosian, Janelle Ginestra, Thomasina Gross, Rachele Brooke Smith, Ryan Conferido, Hokuto 'Hok' Konishi, Ryan Feng, Dominic Sandoval, Brian Hirano, Steve Terada, Victor Kim, Brittany Anne Pirtle, Ross Bagdasarian, Jr., Janice Karman, Steve Vining, Courtney Galiano, Gee Alexander, Mark Alkofer, Tallie Brinson, Ericka Clevenger, Sean Decker, Sarah Fontenot, Paul Gonzales, David Lautman, Casper Smart, Andrew Thompson