DISCOVERY HD WORLD

A former male cheerleader and a cowgirl take on the South African bush. But potential tick bites and scorpion stings put their challenge at risk.

Several pairs of total strangers have to survive the extreme environment and dangerous wildlife of the wilderness, naked and afraid.

Identical twin sisters and a pair of brothers find themselves in the African savannah. Soon, they face rhinoceroses, hyenas and a territorial leopard that is stalking their camp.

A freak injury puts super-fan survivalists Maci and Justin at risk as they attempt to survive the treacherous Nicaraguan jungle for 14 days.

Participants face the ultimate endurance challenge as they attempt to survive in wild terrains, battling unpredictable weather, scarce resources and physical exhaustion.

Bear is in the Black Hills where he scales treacherous granite cliffs and explores an abandoned gold mine. But will an electrical storm land him in trouble?

Dave and Cody showcase survival techniques to sustain in the vast desert of Baja in Mexico by making the most of the resources available.

In Scotland's Cairngorm Mountains, adventurer Bear Grylls faces arctic blizzards, traps rabbits for food and uses a deer skin for shelter.

Bear chops his way into petrified swamps devastated by the 2004 tsunami and must navigate his way out, facing deadly lizards, snakes, waterfalls and steep cliffs.

Bear skydives into Australia's Northern Territory. He will rely on the survival skills honed by the aboriginal people to survive in this sweltering landscape.

Bear is marooned on a desert island south of Papua New Guinea. He wades across a shark-infested tidal channel and constructs a bamboo windsurfer to make his escape.

From diving without a mask in the tropics, to finding water in the desert, Bear Grylls travels the world, sharing his tips and techniques for survival.

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

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

Bear is in the Caucasus Mountains driving a snowmobile out the back of a hovering helicopter. Later, he ziplines across a river and trudges swampy wetlands.

A survival expert tries to survive the sweltering, crocodile-infested Northern 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.

Observers provide a primary account of natural disasters by capturing terrifying moments and recording the instances of destruction.

Adventurer Bear Grylls demonstrates how to survive in Ecuador's jungles by building bamboo bridges, making a bow and arrow, and showing which plants are poisonous.

Bear Grylls demonstrates all the techniques and skills that are required in order to stay alive in the dangerous waters of the Everglades.

Rick Harrison and his family own and run a pawn shop in Las Vegas. They purchase, sell and evaluate interesting artefacts with fascinating stories.

Bear navigates the deadly swamps of the Deep South, wrestles with an alligator and tangles with venomous snakes. Later, he wonders if he can land a catfish with his bare hands.