When sabre-toothed squirrel Scrat blasts off into outer space on an alien ship, he winds up accidentally sending a massive asteroid hurtling towards Earth. Now, Manny, Sid, Diego, and the rest of the Herd set out on their most important journey ever as they desperately try to find a way to help one-eyed, dinosaur-hunting weasel Buck divert the giant space rock and save the world. The fifth installment in the computer-animated series features the voices of Ray Romano, John Leguizamo, Denis Leary, Queen Latifah, Simon Pegg. 94 min. Widescreen; Soundtracks: English Dolby Digital 5.1, Spanish Dolby Digital Surround stereo, French Dolby Digital Surround stereo; Subtitles: English (SDH), Spanish, French; featurettes; sing-along songs; more. Two-disc set.