DISCOVERY HD WORLD

Ed participates in the annual rite of passage festival Naadam to wrestle an enormous heir of Genghis Khan in order to prove his masculinity.

Two international survivalists from Mexico and Norway fight to reach 21 days amid torrential rain and little food in the American wilderness.

A hairdresser and a former correctional officer try to survive 14 days in Zambia, where a herd of aggressive elephants stalks them.

Four male survivalists who tapped in previous challenges seek redemption in South Africa. Humbled by their past failures, they bravely face their days ahead.

Wes and Stee brave croccodile filled waters to build a fish dam and get their first catch of the challenge. Meanwhile, a heat wave has both Joe and Frank on the brink.

From Mexico's Yucatán to Botswana's Okavango Delta, beloved duo Ernie and Mandy are back for 21 days, equipped with enhanced abilities and new tools.

Bear paraglides into the Rockies, traverses huge waterfalls and navigates deep gullies before leaping onto a moving train.

Bear Grylls travels across Kenya to demonstrate how to survive the African savannah.

On his next expedition to nature's kitchen, Bear Grylls resorts to drinking liquid from a camel's stomach while devouring whatever wild food he can put in his mouth.

Bear skydives into Australia's Northern Territory. He will rely on the survival skills honed by the aboriginal people to survive in this sweltering landscape.

Bear is marooned on a desert island south of Papua New Guinea. He wades across a shark-infested tidal channel and constructs a bamboo windsurfer to make his escape.

From diving without a mask in the tropics, to finding water in the desert, Bear Grylls travels the world, sharing his tips and techniques for survival.

In Patagonia, Bear skins a hare, scales a cliff, tracks a puma, drinks dirty water and crosses the Perito Moreno Glacier, a labyrinth of ice caves and crevasses.

In Patagonia, Bear skins a hare, scales a cliff, tracks a puma, drinks dirty water and crosses the Perito Moreno Glacier, a labyrinth of ice caves and crevasses.

Bear is in the Caucasus Mountains driving a snowmobile out the back of a hovering helicopter. Later, he ziplines across a river and trudges swampy wetlands.

A survival expert tries to survive the sweltering, crocodile-infested Northern Territory.

Bear Grylls faces the icy peaks of the Chugach Mountains, Alaska, one of the toughest known environments. Bear uses his specialist survival skills and knowledge to journey across Alaska.

Bear Grylls travels across Kenya to demonstrate how to survive the African savannah.

Bear travels to America's greatest mountain range-the Sierra Nevada. He uses his knowledge of American Indian survival techniques to build shelters, calm wild horses, and find food.

Bear Grylls has served with the British Special forces, climbed to the peak of Everest and explored the frozen ocean of the Arctic. Now he faces the punishing heat of the Moab desert in Utah.

Adventurer Bear Grylls's camera crew follows him as he treks to the ends of the Earth, often going to extremes to film his journeys.

After becoming stranded in Northern Africa, Bear shows his resourcefulness by devising a jugaad to find water, catching an octopus, eating a bug burger and building a resting place.

A survival expert tries to survive the sweltering, crocodile-infested Northern Territory.