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.

Grylls is on a desert island, south of Papua New Guinea. He wades across a shark-infested tidal channel, climbs crumbling volcanic cliffs, leaps over a 100-foot death drop, and constructs a bamboo windsurfer to make his escape.

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.

Bear Grylls is dropped in an archipelago of islands off the coast of Borneo. Fighting dense jungle and scaling towering escarpments, Bear struggles to find freshwater. In his search for food, he tries to spear fish at depths of 20ft and traps a wild boar.

In Australia's Northern Territory, Grylls must rely on many of the skills honed by the Aboriginal people to survive in this sweltering landscape dominated by crocodiles.

In Arizona, Bear transforms into a one man high speed glider with a cutting edge wingsuit and flies into the Arizona Sky Islands. Bear shows viewers how to find water in the parched desert landscape, builds a sand-buggy from a wrecked aircraft and crosses heart-stopping rock drops.

Grylls lands in the snow-capped Caucasus Mountains of the Georgian Republic by driving a snowmobile out the back of a hovering helicopter. He ziplines across a river, camps among wolves and trudges through swampy wetlands.

Bear and his team are in Norway. Armed with the latest technology they'll be creating the harshest conditions possible while sensors monitor how Bear copes trying to survive in one of the world's most beautiful but wettest countries.

Grylls takes two fans into the Canadian wilderness for their ultimate survival challenge. They face their fears head on, trek down dangerous glaciers and across a frigid glacial river, build a rustic shelter, and try to swallow typical Grylls fare.

In Borneo, Bear heads directly into the wild jungles. Without a place to land his helicopter, he is forced to rappel into the treetops. As the heli peels away, Bear is 100 feet up in the canopy. After finding his way down to the jungle floor, Bear tackles raging waters, big mudslides and deep caves as he fights his way through this impenetrable place.

Host Bear Grylls parachutes alone into a remote area of the Rocky Mountains equipped with only the clothes on his back.

In the Mojave Desert Grylls puts himself in the path of a man-made sandstorm, takes on the full force of a man-made flash flood and HALO jump from 30,000 feet. His body is pushed to the limit as the temperature soars from minus 40 to 110 degrees.

While in the Canadian Rockies, Grylls is buried alive in an avalanche, swims long distance beneath an ice-covered lake, and is airvac-ed to the hospital when an icy glissade goes horribly wrong.

In Scotland off the rugged coast of Cape Wrath, Bear is dropped into open ocean. After getting ashore, he realises he's on an island and must swim to the mainland. Bear fashions a wetsuit from a seal's hide to withstand the frigid crossing. Well into the trek, he is forced to turn back as an incoming estuary tide nearly cuts him off. After he makes it to dry land, Bear has a close call with the steep treacherous Scottish rock terrain