All episodes

Against all odds, an alpha male gorgonopsid fights to protect his family from predators and the deadly heat that surrounds them at every turn.

A heartwarming coming-of-age story about a hatchling who grows to be a leader of her herd, helping ensure the survival for future generations.

Following our planet's most infamous mass extinction event, a mated pair of dinosaurs fight to survive an incredible 30-year period of darkness.

The harrowing story of a giant marine reptile who scours the dying seas to find food for her unborn baby before giving birth amidst a super hurricane.

A protective mother amphibian battles to keep her brood of eggs in water.

An early fish journeys to the ends of the ocean to find a mate before his exotic and colorful reef is destroyed by freezing waters.

A matriarch elephant leads her herd on a journey to find water, encountering an alien continent where they must adapt to a new way of life to survive.

A giant mother bear struggles to raise her two cubs in the face of a gripping ice age that eventually drives all giant mammals to extinction.