Grylls travels to Panama, where he travels in the equatorial heat through mangrove swamps and rain forest, and endures more than 100 mosquito bites and one painful snake bite.

Grylls battles the fierce swamps in Sumatra, Indonesia. As he struggles to keep dry and avoid trench foot, he runs into several types of wildlife, including lizards and the deadly mangrove snake.

In the sun-scorched Sahara Desert, Grylls uses survival tactics of the indigenous people, including eating a scorpion and a sandfish. He also explains how to escape from quicksand.

Bear Grylls spends a week showing how to survive the challenges of the Pacific Ring of Fire. He is dropped into petrified swamps devastated by the 2004 Tsunami and has to navigate his way out.

With temperatures dipping to -50°C, Grylls has to keep warm before hypothermia sets in. He uses snares to catch his food, and a fire to keep warm. He puts up a scenario for the great dangers to walk over a frozen lake, and how to survive without drowning and/or before hypothermia sets in.

In the desert, Grylls offers tips on skinning and disemboweling a dead camel for water.

Grylls parachutes into Patagonia, the southernmost tip of South America, where he first encounters a vast ice field, then forages in a beech forest, wades through a frozen bog and swims through icy water.

Bear Grylls ventures into the landlocked country of Zambia in Southern Africa. Before heading into the bush, he shows you how to survive some of the world's biggest rapids.

Grylls parachutes into the heart of the Namib desert. He eats a puff adder and encounters the indigenous bushmen.

Grylls is in Siberia, learning survival techniques from the Tuvans and, eating raw yak liver as well as drinking its blood for food.

Survival techniques for Panama's mangrove swamps and jungle.

In this special film Bear Grylls takes us to nature's kitchen. It seems nothing--except maybe the fat of on a camel's hump--is beyond Bear Grylls.

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