Season ,episode 6
A 50 metre tall iceberg trapped in the frozen sea of Eclipse Sound, Baffin Island, Canada.
A walrus goes feeding underwater.
The polar bear, or 'maritime bear,' spends most of its time at sea.
A hungry polar bear eyes a walrus on water in Svalbard.
A polar bear attacks a walrus in Svalbard.
Eider duck flaps wings at the ice edge in Hudson Bay, Canada.
Female eider duck eats urchin, Hudson Bay, Canada.
Male eider duck with other eiders.
Male eider duck in rough water.
A view of the water in Hudson Bay, Canada.
Mist rises over the water in Hudson Bay, Canada.
An emperor penguin cares for its chick.
Emperor penguins gather on an iceberg in Antarctica.
An eider duck swims in the coldest duck pond on the planet in Hudson Bay, Canada.
Humpback whale breaching the water in Antarctica.
Iceberg with aurora southern lights in Antarctica.
Little auks flying around in the Norweigian Arctic.
A polar bear attacks a walrus in Svalbard. When they can't hunt seal, a polar bear lives off its own fat reserves.