Arctic Secrets • 2015 • 5 episodes • 6h:24m

Embark on a journey into the world's most unforgiving arctic zones, where land and ice are inseparably joined. Swim through the mammoth Mackenzie Delta, or explore the great tundra of Nunavik. These hostile regions yield little for the hardy wildlife and local Inuit tribes that wait patiently for an all-too-brief summer.

Land of Extremes

The American Dipper can plunge its head into freezing Arctic water up to 60 times a minute. In the summer, ferocious mosquitoes can draw up to a pint of blood a day from caribou. Take a fascinating look into the Arctic seasons and the impact that rising sea levels have on local wildlife, and, ultimately, our own world.

1/8 • 2015 • Nature

Devon Island: Land of Ice

Canada's Devon Island is the largest uninhabited island in the world--and with good reason. Temperatures below freezing for nine months of the year and an annual rainfall comparable to the Gobi Desert leave the icy landscape so barren that NASA uses it to simulate conditions on Mars. Take an exhilarating expedition into a land where only the most experienced Inuit hunters dare set foot.

2/8 • 2015 • Nature

Fall on the Tundra

As the days shorten and the temperature drops, the inhabitants of Nunavik, Quebec prepare to face the approaching arctic winter. Watch as muskoxen fatten up, ptarmigans hunt for berries, and Inuit make use of the last warm days of the year.

4/8 • 2015 • Nature

Wild Seas

North Atlantic bowhead whales have the largest mouths of any living creature and can live up to 200 years. In fact, some still carry harpoon fragments from a century ago. Join two intrepid Inuit tribesmen as they venture into the harsh Arctic region known as Ninginganiq to witness a gathering of these mysterious and awe-inspiring giants.

5/8 • 2015 • Nature

Rhithm of the Bay

Every summer, the frozen waters of Hudson Bay partially thaw for a few short months. For migrating beluga whales, it's a seasonal window of feeding and breeding opportunities, but for polar bears, it's a famine-filled test of their survival. Explore the shifting fortunes of a vibrant Arctic world.

6/8 • 2015 • Nature