DISCOVERY HD WORLD

To build a 'Frankendozer', Parker cannibalises multiple machines. Meanwhile, the Beets battle a flash flood on the Indian River.

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

A football coach and midwife attempt to overcome the curse of Chiapas, Mexico, a location so daunting that no survivalist has completed 21 days.

One camp enters the lion's den to hunt for a big game while the other team bands together for a group hunt and ends up finding a dangerous, unexpected food source.

A Scout and a mother struggle to survive in the Arizona desert. Also, when nature calls, a fan's risky survival strategy backfires and endangers their challenge.

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

Bear skydives into Australia's Northern Territory and relies on the skills honed by the aboriginal people to survive in the sweltering landscape.

Bear is in the Mojave Desert where he puts himself in the path of a man-made sandstorm. He is pushed to the limit as the temperature soars from minus 40 to 110 degrees.

Bear Grylls travels to the Dominican Republic during hurricane season. On his trek to civilisation, he tackles mosquito-filled swamps and fast rapids.

EJ and Jeff must face aggressive bull elephants and territorial 3,000-pound hippopotamuses in their quest for survival and a way back to civilisation.

Ed Stafford finds himself marooned in a never-ending natural maze as he flies to Kazakhstan to take on former South Korean special forces soldier Ken Rhee.

When their snowmobile breaks down in the remote wilderness of Alaska, Mykel and Ruth find out why the thaw of spring is sometimes more lethal than the dead of winter.

Adventurer Filipe Restrepo and army veteran Arnoby Sinam Alba head to wild and remote regions of Columbia to demonstrate how the right skills can keep one alive.