A survivalist postpones her wedding to try 21 days in the Colombian jungle.

A former Marine sniper and a Mississippi mom try to endure 21 days in a haunted Colombian swamp. But extreme humidity, insects and infection prove more difficult to endure than any legends.

On this fan episode of Naked and Afraid, pro surfer Anastasia Ashley, and YouTuber Cory Williams take their shot at surviving Naked and Afraid. Do they have what it takes to survive completely unplugged from civilization in the jungles of Belize?

Survivalists EJ Snyder and Kellie Nightlinger survive in Tanzania's Serengeti Plain, putting their skills to the ultimate test.

Shane Lewis and Kim Shelton have to survive 21 days in the Costa Rican jungle, where a producer has survived a venomous snake bite.

An Army vet and a newly married man grapple with gender norms as they take on the mountains of Croatia; extreme hunger and frigid temperatures force this unlikely pair to bond together, but a vicious storm threatens to rip them apart.

An inexperienced survivalist and a wilderness enthusiast take on the unforgiving savanna of Namibia. The harsh conditions quickly take a toll, and the challenge is further complicated when a competitor returns for redemption.

Two survivalists take on the Belize Jungle to survive for 21 days with no food, water or clothes. They must put their skills to the ultimate test to overcome a catastrophic hurricane and predator-filled environment.

A former military man and an optimistic naturalist face humidity, violent storms, caiman, and red-bellied piranha in the Amazon jungle.

A mom and an adventure addict drop into the cloud forest of Ecuador; unbearably wet conditions, violent lightning, cabin fever, trench foot and finger-slicing machetes threaten to keep the pair from completing their 21-day challenge.

A mother of four and a country boy are dropped into the jaguar filled jungle of Belize. While they hunt for food, something is hunting them, and the mental part of the challenge gets to them both. Can they survive the jungle and themselves?

Jonathan Klay and Alison Teal are marooned in the Maldives for 21 days and clash with sunburn and starvation.

Corinne Kohlen and Chris Fischer are stranded on a deserted beach in Dominica. Corinne tapped out on day 13, and Chris left alone for full 21 days.

Former Marine Tim, and Shannon, a stonemason take on armies of stinging red ants and bubbling mud volcanoes on the Caribbean island of Trinidad. Even with this daunting location working against them, their biggest struggle is actually each other.

Two fans, a single mom and an optimistic novice, are selected to take on a special fourteen-day survival challenge on the coast of South Africa.

An ex-marine and a perky Southern girl face constant downpours, cabin fever, threats from predators, lack of sleep and extreme hunger in the Panamanian Jungle.

Jeremy and Melanie continue their challenge in the haunted swamps of Louisiana, enduring threats from predators as they search for food.

A survival-savvy yoga teacher and a custom knife maker tackle the brutal jungle of Colombia. Their primitive survival skills are impressive, but the deadly spiders and tics test both their courage and resilience, threatening to take them down.

A surfer from Hawaii and an ex-military take on the Texas countryside, surrounded by armadillo, bighorn sheep and vicious wild boar; as they battle starvation and face a potentially fatal flood, their skills get fully put to the test.

Billy Berger and Ky Furneaux survive 21 days in the swamps of Louisiana. They risk attack from deadly snakes and alligators.

Clint Jivoin and Laura Zerra have to stay 21 days on a Panamanian island, plagued with sand flies and threatened by snakes.

Survivalists Puma Cabra and Julie Wright have to survive 21 days in Borneo. They battle with sickness, starvation, and wildlife.

Amanda "AK" Kaye and Tyler Steinle failed to survive in the Amazon rainforest after tapping out, season 1 castaways EJ Snyder and Laura Zerra arrive to complete AK and Tyler's 21 day journey.

Jeff Zausch and Eva Rupert test their survival skills in the harsh desert of Madagascar's Massif D'Isalo. Their camp was badly burned when they attempted to cook snake meat and they barely survived.

Alana Barfield and Keith Busch have a deserted island in Fiji all to themselves. Keith left early on day 11 for seizures; Alana survives alone for full 21 days.