Live action and CG animation mix in this charming family tale that brings Ross Bagdasarian's singing rodents to life. Struggling songwriter Dave Seville's (Jason Lee) career gets a much-needed boost when he meets mischievous musical chipmunks Alvin, Simon and Theodore, who help him pen a hit tune. But when a sleazy record producer (David Cross) tries to exploit the trio, it's up to Dave to save the day. Cameron Richardson, Jane Lynch co-star. 90 min. Widescreen; Soundtracks: English DTS HD 5.1, French Dolby Digital 5.1, Spanish Dolby Digital 5.1; Subtitles: English, Spanish; featurettes.