Returning survivalists Angela Hammer and Chad Keel fight the elements and each other as they look for double Redemption in South Africa.

A dangerous burn and clashing survival strategies plague survivalists Angela and Steven in the jungles of Panama.

Five former Naked and Afraid contestants, Ky Furneaux, Ryan Holt, Chris Fischer, Steven Lee Hall and Eva Rupert, are stranded on an island in the middle of the most shark-infested waters in the world for 14 days (Bahamas).

A freak injury puts super-fan survivalists Maci and Justin at risk as they attempt to survive the treacherous Nicaraguan jungle for 14 days.

Torrential downpours and brutal wind storms push two starving survivalists to their breaking points in the Honduran jungle.

Swarming wasps, deadly anacondas, poisonous toads and venomous stingrays surround the survivalists in sun-scorched Brazil. Just days into their challenge, a standoff with a poisonous Fer-de-lance snake threatens to send both survivalists home.

Surrounded by aggressive and territorial black bears day and night, two survivalists must compete against the apex predators for resources in the Smoky Mountains of Tennessee.

Tormented by hostile crocodiles, territorial howler monkeys and no tree canopy to protect them from the sun in this post-hurricane Nicaraguan jungle, one survivalist suffers third-degree sunburn while the other's life is threatened by illness.

Instant attraction gives way to unforgiving conditions on a Nicaraguan island teeming with bull sharks and big cats. As the struggle to survive hits a low point a brutal flood threatens to wipe out the camp and all chances of survival.

A survivalist falls into a roaring fire after weeks of depleted energy due to a lack of food. A pair makes a daring plan on how to survive.

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.

Terribly poisoned without food or water, in the arid and desolate, savannah region of Brazil, survivalists Gary and Karra will be tested unlike any other survivalists before them. Depleted and broken will either of them make it to Day 21?

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

In a haunted Mayan jungle, a painful injury tests the resolve of survivalists Leah and Caesar, who contend with suffocating humidity, hungry predators, torrential rainfall, unrelenting insects, and intoxicating fruit.

A category five Hurricane blasts through the camp of Amal, an Iraqi war refugee now living in Iowa and her partner, Duke. In addition to the hurricane, the pair also endure venomous spiders, insects, and nocturnal predators in the swamps of Florida.

Two lucky fans, a mother and an adventurer try to survive in the rainforests of Nicaragua. An ex-military and a mountain mom take on the jungles of Panama. An elite endurance athlete and a sensitive stay-at-home dad team up in a rugged Belize jungle.