Natural changes have the clans moving. Iza, medicine woman of the "Clan of the Cave Bear" finds little Ayla from the "others"' clan - tradition would have the clan kill Ayla immediately, but Iza insists on keeping her. When the little one finds a most needed new cave, she's allowed to stay - and thrive.
With the impending ice age almost upon them, a mismatched trio of prehistoric critters – Manny the woolly mammoth, Diego the saber-toothed tiger and Sid the giant sloth – find an orphaned infant and decide to return it to its human parents.
Set after the events of Continental Drift, Scrat's epic pursuit of his elusive acorn catapults him outside of Earth, where he accidentally sets off a series of cosmic events that transform and threaten the planet.
Misery is brought to a small group of Sho in the Kalahari desert in the form of a cola bottle. In his quest to throw the evil object over the edge of the earth, Xixo encounters Western "civilization," a haphazard doctor and a tyranical despot.
A harried prehistoric bird mom Ethel entrusts her precious, soon-to-hatch egg to Sid. When she recommends him to her neighbors – a condor mom, Cholly Bear and Gladys Glypto – business booms at his new egg-sitting service.
The story takes place on the desert planet "Pluke" in the "Kin-dza-dza" galaxy, where two Soviet humans previously unknown to each other ("Uncle Vova", a gruff construction foreman from Moscow, and "The Fiddler", a student from Georgia) are stranded due to an accidental encounter with an alien teleportation device.
In the midst of a violent invasion of Earth by unknown alien forces, photo-journalist Wakatsuki Tetsuya comes across a scantily-clad alien woman, cutting a swath of death through the Terran ranks with her sword.