An extreme athlete and a book smart bartender tackle an Ecuadorian cloud forest where it rains daily.

In the snake-filled Mississippi swamps, Gabrielle, a former survivalist, takes on the full 21-day challenge; Gabrielle and Brian are faced with deadly snakes, unrelenting mosquitos, nocturnal predators, and a week-long thunderstorm.

A man from Southern California and a survival instructor must survive dehydration, hunger and the threat of caiman in the Yucatan.

Max and Bianca face off with aggressive caiman, boa constrictors, large spiders, and thorny mangroves in this Superfan challenge on a tropical island in Panama.

In a post-hurricane Nicaraguan jungle, survivalists are tormented by crocodiles and howler monkeys; one survivalist suffers from a third-degree sunburn because there's no tree canopy, while the other one's life is threatened by a mysterious illness.

A mountain man and a homeschooling mother must survive the thorny landscape and high temperatures of Namibia.

A wild child and retired sergeant are stranded in the Belize Jungle following a catastrophic hurricane that threatens their entire challenge.

Torrential downpours and brutal windstorms push starving survivalists Riley and Kyle to their breaking points in the Honduran jungle.

For the first time on the show, a divemaster and a Navy Seal become stranded at sea, facing exposure to deadly sharks and heatstroke.

Corinne Kohlen and Chris Fischer contend with a barren topical terrain as they are dropped on a deserted Dominica beach.

Clint Jivoin and Laura Zerra are on a Panamanian island for 21 days where they must contend with mosquitoes, snakes and alligators.

An endurance athlete and a stay-at-home dad team up in a rugged Belize jungle to contend with jaguars, venomous snakes, falling trees and powerful storms.

A Seattle banker and a bartender from Rhode Island test their survival skills in the barren plains of Botswana.

A person who fears the dark, and believes in Bigfoot, and a tough mother take on the Mayan jungles of Belize.

A pair of complete strangers are stranded in and literally exposed in one of the world's most extreme weather environments.

A survivor of rattlesnake, shark and bear attacks teams up with Matt Wright's wife, Brooke; together, they take on lions and hyenas in a vicious African feeding ground where the environment quickly puts their skills to the test.

Survivalists Fernando Calderon and Samantha Pearson reconnect virtually and watch their challenge that took place in the Malaysian rainforest.

One survivalist falls into a roaring fire after being depleted of energy due to a lack of food; with just days to go, the pair of survivalists makes a daring plan on how to survive, but it may cost them the challenge.

Survivalists must overcome starvation, swarms and accusations to weather the terrain of Andros Island in the Bahamas.

An independent mother and a Green Beret battle sand flies, venomous snakes and an infestation of caiman in Guyana.

Survivalists endure Guyana's equatorial savannah, battling health issues, a breakdown in team dynamic and survival malfunctions.

TV's most extreme survival challenge just grew extra-large. Veteran survivalists familiar with the stripped-down drill after appearing on "Naked and Afraid" attempt to survive in a desolate, dangerous environment for 40 days -- 19 more than they previously experienced on the show. Pushing the very limits of human endurance, the men and women must all vie for the same limited food, water and shelter while avoiding territorial-sensitive predators and venom-filled reptiles. Because there is no other choice, the competitors quickly get to know one another -- and their surroundings -- and hope that their instincts, survival skills and intestinal fortitude serve them well.

In "Naked and Afraid," complete strangers -- usually a man and a woman -- meet in a very unique way: They're stranded in a dangerous, desolate location, without food or water, and they're completely naked. Each episode follows the adventurers as they attempt to survive on their own with nothing but a personal item and the knowledge that the only prize is their pride and sense of accomplishment. Because there is no other choice, competitors quickly get to know one another -- and their surroundings -- and hope that their instincts, survival skills and intestinal fortitude serve them well. This "pop-up" edition features interwoven graphics that shed light on the competition and the survivalists with interesting, often humorous factoids.

Veteran survivalists familiar with the stripped-down drill after appearing on "Naked and Afraid" attempt to survive in a desolate, dangerous environment for 40 days -- 19 more than they previously experienced on the show. Pushing the very limits of human endurance, the men and women must all vie for the same limited food, water and shelter while avoiding territorial-sensitive predators and venom-filled reptiles. Because there is no other choice, the competitors quickly get to know one another -- and their surroundings -- and hope that their instincts, survival skills and intestinal fortitude serve them well. This "uncensored" edition features additional information not seen in original episodes that sheds light on the competition and the survivalists.

Adventurer Ed Stafford has walked the length of the Amazon River -- he is the first person to accomplish that -- so perhaps being stranded on a desert island near Fiji without clothes, food, water and tools and attempting to survive for 60 days isn't that daunting. The only possessions he does have are cameras, and so viewers are provided a fly-on-the-wall perspective of Ed's attempts to find food, make fire, process water to drink, and build a shelter -- among many other tasks that will help him stay alive.

Teamwork in a survival situation is of utmost importance. But what happens if the team consists of a mismatched husband and wife, trying to survive in harsh outdoor conditions while rarely seeing eye to eye? That's the scenario in "Man, Woman, Wild," which features former Special Forces survival expert Mykel Hawke and his wife, Ruth, a journalist, who are plunked in a remote location for four days and nights. From building a shelter to hunting for food to finding a way out, Mykel and Ruth must find common ground as he teaches her the skills to survive in the wildest places on Earth.

These repackaged episodes -- "uncensored," if you will -- of "Naked and Afraid" include new information and footage not shown in original airings of Discovery Channel's popular survival show. Complete strangers -- usually a man and a woman -- meet in a very unique way: They're stranded in a dangerous, desolate location, without food or water, and they're completely naked. Each episode follows the adventurers as they attempt to survive on their own with nothing but a personal item and the knowledge that the only prize is their pride and sense of accomplishment. Because there is no other choice, competitors quickly get to know one another -- and their surroundings -- and hope that their instincts, survival skills and intestinal fortitude serve them well.

A seasoned adventurer and survivalist deliberately "strands" himself in remote locales and makes his way back to civilization to provide in-depth advice for travelers who may find themselves lost on what was expected to be a routine hike or other trip.

Famed survivalist Bear Grylls says goodbye to Hollywood and takes celebrities on journeys into some of the wildest locations in the United States and around the world. Whether it's searching for food in the most remote environments or battling intense weather, each episode chronicles the celebrity's experience of pushing their body and mind to the limit to successfully complete the adventure.