Celebrities Challenge - Season 1

The famed survivalist takes A-list celebrities on journeys into the wildest locations around the world, forcing the stars to push their bodies and minds to the limit to successfully complete the adventure of a lifetime.

Bear strands himself in popular wilderness destinations where tourists often find themselves lost or in danger.

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?

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.

Natural World is a nature documentary television series broadcast annually on BBC Two and regarded by the BBC as its flagship natural history brand. It is currently the longest-running series in its genre on British television, with more than 400 episodes broadcast since its inception in 1983. Natural World is produced by the BBC Natural History Unit in Bristol, but individual programmes can be in-house productions, collaborative productions with other broadcasters or films made and distributed by independent production companies and purchased by the BBC. Natural World programmes are often broadcast as PBS Nature episodes in the USA. Since 2008, most Natural World programmes have been shot and broadcast in high definition.

Profiles of some of the men who choose to live off the grid in the unspoiled wilderness, where dangers like mudslides, falling trees and bears are all part of everyday life.

Australian host Steve Irwin and his wife Terri run a wildlife refuge. Their shared passion is educating the world about wildlife, including the much feared crocodile and numerous venomous snakes. Steve's specialty is the capture and relocation of crocodiles. No animal appears too threatening to Steve, his true respect for animals is the foundation for everything he does.

An English aristocrat and an American millionaire come together to tackle crime.

Da Ali G Show is a British satirical television series created by and starring English comedian Sacha Baron Cohen. In the series, Baron Cohen plays three unorthodox journalists: faux-streetwise poseur Ali G, Kazakh reporter Borat Sagdiyev, and gay Austrian fashion enthusiast Brüno Gehard. These characters conduct real interviews with unsuspecting people, many of whom are celebrities, high-ranking government officials, and other well-known figures, during which they are asked absurd and ridiculous questions.

Two contestants are transported from their everyday lives into a once-in-a-lifetime night of fun and celebration as they play party games with some of their favorite celebrities and compete for the chance to win up to $25,000.