Extras

Nature

Bears of the Last Frontier: Arctic Wanderers - Preview

Preview: S29 Ep15 | 30s

Airs Wednesday, July 25, 2012 at 8:00 p.m. ET/PT. Check your local listings.

Nature

Caribou Shaping the Landscape

Clip: S29 Ep15 | 59s

Huge herds of caribou play an integral role in shaping the Arctic landscape.

Nature

The First Catch

Clip: S29 Ep15 | 1m 24s

A cub catches its first salmon at Brooks Range, high in the Alaskan Arctic.

Nature

A Frozen Ocean

Clip: S29 Ep15 | 2m 3s

When the ocean freezes over, polar bears head out on the pack ice to hunt.

Nature

Losing Pack Ice

Clip: S29 Ep15 | 1m 3s

As loss of pack ice increases, polar bears struggle to navigate an ocean of melting ice.

Nature

A Polar Bear Approaches

Clip: S29 Ep15 | 1m 1s

Ecologist Chris Morgan decides to head out after an agitated polar bear approaches.