Naked, Alone and Racing to Get Home - Specials

What happens when you put two complete strangers - sans clothes - in some of the most extreme environments on Earth? Each male-female duo is left with no food, no water, no clothes, and only one survival item each as they attempt to survive on their own.

A group of the best survival experts in the world take on an un-survivable situation: 40 days. 40 nights. No food, water or clothes. To survive they'll need to master the environment, pushing far beyond the breaking point. Will even one be able to finish?

Each Challenge pits numerous cast members from past seasons of reality shows against each other, dividing them into two separate teams according to different criteria, such as gender, which show they first appeared on, whether or not they're veterans or rookies on the show, etc. The two teams compete in numerous missions in order to win prizes and advance in the overall game.

This reality competition sees teams embark on a trek around the world to amazing destinations where they must compete in a series of challenges, some mental and some physical. Only when the tasks are completed will they learn of their next location. Teams who are the farthest behind will gradually be eliminated as the contest progresses, with the first team to arrive at the final destination winning the race and the $1 million prize.

Two people with drastically different backgrounds and survival strategies take on some of the planet's most unforgiving terrain to demonstrate how the right skills and creative thinking can keep you alive in the most dangerous situations.

In the extreme Alaskan wild, 16 survivalists compete for a chance to win a massive cash prize — but these lone wolves must be part of a team to win.

Hardcore survivalists are put by themselves in the Vancouver Island wilderness, without camera crews, teams, or producers – on a single mission to stay alive for as long as possible.

Each week, 20 contestants compete in a series of challenges in an attempt to win £10,000. These challenges are based in large pools of water or mud and generally involve large assault courses that participants must cross.

Tough and tenacious people are marooned on a tropical island with little more than the clothes on their backs and the drive to be the sole survivor.

Human cannonballs! Human pinballs! Crashes, smashes and mud splashes! Twenty-four thrill-seekers will compete in the world's largest extreme obstacle course designed to provide the most spills, face plants and wipeouts ever seen on television.