Set during the Ice Age, a sabertooth tiger, a sloth, and a woolly mammoth find a lost human infant, and they try to return him to his tribe.

Originally released in 2002. Special features - disc 1: Full length audio commentary by Director Chris Wedge and co-director Carlos Saldanha; 3 all-new interactive games ; 8 DVD-ROM games/activities. Disc 2: "Scrats's missing adventure;" Behind the scenes of Ice Age" HBO special.; deleted scenes in English, French, & Spanish; 6 production featurettes; "The making of Ice Age" documentary; scene-specific commentary by John Leguizamo as Sid; 3 interactive animation studies; internation (multi-language) clips; theatrical teasers.