DISCOVERY HD WORLD

Several pairs of total strangers have to survive the extreme environment and dangerous wildlife of the wilderness, naked and afraid.

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.

This is TV Show - Travel Category.

Tigre and René are abandoned on the coast of the Alta Guajira Peninsula, one of the most arid regions to exist in the world.

In Scotland's Cairngorm Mountains, adventurer Bear Grylls faces arctic blizzards, traps rabbits for food and uses a deer skin for shelter.

Bear Grylls shows how to make a snow cave, find water in deep tunnels and avoid frostbite in order to survive Iceland's extreme conditions.

In Mexico's Copper Canyon, Bear Grylls demonstrates how to survive by using traditional cave shelters, fishing without lines or nets and even eating mud.

Adventurer Bear Grylls demonstrates how to survive in the harsh Australian outback by taking extreme measures to avoid sun stroke, finding food, and avoiding the deadly salt water crocodiles.

Adventurer Bear Grylls demonstrates how to survive in Ecuador's jungles by building bamboo bridges, making a bow and arrow, and showing which plants are poisonous.

Deep in the heart of Vietnam, Bear Grylls encounters rocky terrain and faces deadly creatures as he journeys along a river.

Bear Grylls travels to the freezing Arctic Circle and survives hunting a reindeer. He also crosses a frozen lake whilst protecting himself against deadly low temperatures.

Bear is locked in the backwoods of Alabama where he navigates freezing white water rapids and braves a raging forest fire. But can he escape a deep limestone cave?

Bear Grylls demonstrates how to find food, battle the elements and deal with deadly animals in some of the most dangerous locations in the world.

Bear provides a guide on how to find water in the baking salt flats of Mexico, skin snakes in Panama and battle Indonesian sharks.

Does Otto have what it takes to be a cowboy? In California, he reveals what he has learned and leads nearly 200 cattle across the prairie.

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.

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.

This is TV Show - Adventure Category.

Otto heads to the Congo River using a dugout canoe. As civil war rages in the region, an encounter with armed militia could have fatal consequences.