DISCOVERY HD WORLD

An Air Force Vet and a South African farmer tackle the deadly bush of Zambia where territorial elephants, baboons and crocodiles threaten their every move.

Ava, a fashion producer from Seattle and Larry, a paramedic from Kentucky, are in Mexico's hostile Mayan jungle, where a health scare hits the pair hard.

The seven remaining survivors begin the second week of their arduous challenge in the Amazon. Meanwhile, after going without proper sustenance for days, their absolute priority is to track down food.

Two survivalists try to endure 21 days in the wreckage of an abandoned village in Botswana's Okavango Delta, where aggressive hippos have claimed the territory.

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.

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

Bear Grylls' next challenging adventure is in Hell's Canyon, Oregon.

The intrepid adventurer travels to the Dominican Republic during hurricane season. On his trek to civilization he tackles mosquito-filled swamps and fast rapids.

Dave finds Indio, California extremely interesting. Brandi and Jarrod find the ultimate stash while Mary's locker misfires.

In the western fjords of Norway, Ed is on top of a snow-covered mountain. Under constant risk of hypothermia, he soon faces a spring tide that threatens to ruin his shelter.

A popular Polish lorry driver undertakes the daunting task of navigating India's notorious and chaotic road networks, all while exploring the culture.

The host and survival expert continues his journey in Siberia, where he meets the Tuvans and learns new survival techniques from them.

Survivalist Bear Grylls treks across the Siberian tundra and into the Sayan Mountains, demonstrating a wide range of survival skills.

Mykel and Ruth wash up on the shores of the remote, rat-infested, desert island of Aitutaki, surrounded by water without a drop to drink.

The host and survival expert continues his journey in Siberia, where he meets the Tuvans and learns new survival techniques from them.

In the icy weather of Patagonia, the survival expert reveals the hidden dangers that make survival so difficult and demonstrates how to build a snow cave.

On his next expedition to nature's kitchen, Bear Grylls resorts to drinking liquid from a camel's stomach while devouring whatever wild food he can put in his mouth.

In the Canadian Rockies, Bear Grylls tackles survival situations that include being buried alive in an avalanche, swimming in an icy lake and sliding down a hill.

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

While attempting to scale the unforgiving rock cliffs of the rugged Irish coast, Bear faces a tough survival test. Yet, the real ordeal begins the moment he successfully clears the cliff.

Bear Grylls introduces his crew, including his fearless cameraman and recounts the challenges they face during their adventures.

A behind-the-scenes look inside the world of emergency medicine in the Lone Star State, where Dr. Ruby Rose and other skilled physicians resolve Texas-sized medical emergencies.

Bear Grylls reveals survival tactics for deserted island situations. He shows how to locate food and water sources in a harsh, isolated setting.

The host searches for missing Allied prisoners of war lost on a Japanese hellship in the Pacific. Later, he joins an official Department of Defence mission to recover their remains.