Bear brings along a companion, actor Jake Gyllenhaal, to test how he measures up to unpredictable and unforgiving Mother Nature.

Grylls is in a post-disaster urban city scenario and he must survive. His thirst to live and survival techniques modified for a city environment keep him alive in a concrete wasteland in Gdynia, Poland.

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.

This week Bear braves the remote wilderness of New Zealand's South Island, crossing the country's tallest mountains and attempting to start a fire with wood that is soaking wet.

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.

Grylls demonstrates what it was like for soldiers who had to survive in the jungles of Vietnam, during the Vietnam War.

Grylls takes on Big Sky Country. He paraglides above the Rockies, traverses vast gullies, and makes the most of abandoned debris before making his great escape on a moving train.

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.

In Western Texas, Grylls falls to earth from an upturned biplane into the parched Chihuahuan Desert; he traverses deep gorges, locates an oasis and takes on a diamond back rattlesnake.

Grylls returns to the wilderness of Alaska to survive the dangerous terrain of the Last Frontier.

Grylls crosses the Sahara desert to the North Africa coast, where he catches an octopus, fashions a shelter out of acacia trees and dines on moths and locusts.

Over 100 people drown each year in New Zealand, and Bear must cross a raging river on a tree trunk to head toward civilization. On his journey to safety he runs out of water, is forced to climb up active volcanic ranges and scale down a waterfall.

Survival techniques for Panama's mangrove swamps and jungle.

Grylls goes to the Arctic Circle, where he encounters a frozen waterfall, wild reindeer and some of the coldest conditions on the planet.

Grylls is on a deserted Panamanian island; he creates fresh water and chooses to use tribal fishing techniques before battling the sea on a makeshift raft. Later in the episode he gives himself an enema in order to stay hydrated on the open seas.

Bear does all his usual acrobatics while suffering through Typhon Parma in China including swinging on a vine, monkey climbing over a gorge and cliff diving.

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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.