Pop sensations Alvin, Simon and Theodore end up in the care of Dave Seville's twenty-something nephew Toby (Levi). The boys must put aside music superstardom to return to school, and are tasked with saving the school's music program by winning the $25,000 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
It's the summer of 1987, and James Brennan (Jesse Eisenberg), an uptight recent college grad, can't wait to embark on his dream tour of Europe. But when his parents (Wendie Malick and Jack Gilpin) announce they can no longer subsidize his trip, James has little choice but to take a lowly job at a local amusement park. Forget about German beer, world-famous museums and cute French girls-James' summer will now be populated by belligerent dads, stuffed pandas, and screaming kids high on cotton candy.