30,000 years B.C. In the middle of the Ice Ages, a mammoth herd migrates to escape the chilling winter. On their way, they encounter dangers like snow-covered bogs, cave lions, and the most dangerous predators yet- humans.
Did You Know?
Unlike other creatures in the series, the humans in this episodes were portrayed by actors rather than CGI and animatronics. See more
During the Neanderthal attack on the mammoth herd, a female Neanderthal can be heard screaming "Come on!" in modern English twice. See more
Mammoths will last another twenty-four thousand years. They are superbly adapted for this cold world. But when it gets warm again, the grassy plains they depend on will disappear.