Grylls must cross blistering desert and barren salt plains in Mexico's Baja peninsula. While collecting honey Grylls is stung by a bee and his face becomes severely swollen, nearly blinding him.

Grylls enters the swamps of Louisiana where he kills an alligator with a knife, and catches a catfish with his bare hands

Grylls jumps from a boat a kilometre off the west coast of Ireland. He travels down the coast before turning inland to cross the bogs. Here he retrieves a sheep carcass from a bog whose skin he uses as a sleeping bag (sheeping bag), a waterproof sack, and a flotation device.

Grylls is dropped on a granite peak in the Black Hills where he is caught in a thunder storm with inadequate shelter. Down in the plains Grylls encounters a herd of Bison before entering the desolate area known as the Badlands.

Grylls heads to the jungle where he tackles a boa constrictor, he gets stuck over raging waters, and then he takes to the trees.

Grylls wraps up warm as he heads to the frozen wastelands of North Canada. He goes underground to search an abandoned mine, and he takes to some fast moving water.

Grylls takes on the deepest river based canyon, Hell's Canyon and the dangerous Snake River.

Grylls has some tips on how to survive the hurricane season and he also eats a cooked tarantula to survive. He tells us about the hairs on the tarantula's back legs and how they defend themselves using the hairs.

Grylls heads to Turkey where he deals with dangerous animals and he also takes to the water.

Grylls heads to Romania where he takes on a bear and dangerous water channels.

Grylls offers tips for surviving in some of the world's most unforgiving places.

In his ultimate survival guide Grylls takes on dangerous snakes, fishes for catfish using his finger as bait and joins tribes who survive in the worlds toughest terrains, eats raw goats testicles in the Sahara, and hunts porcupines.