Episodes

Learn about the plight of the polar bears, who are living on borrowed time as their habitat changes and food sources become rare. 12/28/2011

Ernest Thompson Seton's tale about an encounter with a wolf led to the establishment of the National Park system and the Boy Scout movement in America.

Revel in the resurgence of the bald eagle, the American emblem that's come roaring back from the brink of extinction.

NATURE reveals a breathtaking view into the world of a red deer calf as he struggles to survive.

Get the full story on marlin, sailfish, spearfish and swordfish -- the most highly prized of all game fish. 6/20/2012

King among the mountain gorillas of Rwanda, Titus is one of only 700 of his kind alive today. Dian Fossey, the famed primatologist, documents Titus' extraordinary life, from his early days to his rise to power as a silverback. 7/3/2011

Discover what makes winners and losers in the animal dating game. 3/14/2012

Discover what makes winners and losers in the animal dating game. 3/7/2012

A story of the interconnection of life: NATURE discovers how the plummeting number of horseshoe crabs affects the red knot, a tiny bird. 3/20/11

Learn about lions who dwell in the desert.

In a winner-take-all contest, a male elephant seals challenges a rival for access to his harem of females.

When the mother of two cheetah cubs is killed, a veteran filmmaker becomes their new parent and tries to prepare them to return to the wild. 7/24/11

Three years in the making, this is the dramatic saga of Yellowstone's Druid wolf pack, its turf wars with rival packs and the fate of the wolves' Lamar Valley ecosystem. 7/17/11

This timely, Peabody Award-winning program explores the international emergency research that is underway to uncover the cause of the massive die-offs of honeybees, a potential ecological disaster. 3/13/11

A special band of muscle running along its side helps the great white hunt fur seals.