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

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

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

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.

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

Two pairs of strangers, dropped on opposite ends of the remote Panamanian rainforest, eventually meet and must work together to conquer the Everest of extreme survival challenges.

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.

Shannon Thomas and Leonard "Cass" Cassidy are challenged to survive in a flooded jungle of Belize.

Firefighter Fernando Calderon and single mom Samantha Pearson endure relentless storms in a Malaysia rain forest.

Vincent Pinto and Sabrina Mergenthaler face flash floods and heat exhaustion in a Bolivia jungle. Vincent suffered from stomach ache on day 16, and Sabrina suffered severe abdominal pain on day 20, one day short to end the 21 day challenge.

Lindsey Leitelt and Luke McLaughlin challenged in a dense harsh land in Namibia.

Dani Julien and Justin Bullard stranded with starvation and tiny predators in the Bahamas' Andros islands.

Carrie Booze and Tom Touw survive with crocodiles and extreme heat in Cambodia.

Jaclyn McCaffrey and Adam Young survive in Nicaragua for battling with dehydration and freezing temperatures.

Survival coach Tom McElroy and pediatrician Lisa Coray fight with storms and dehydration in Argentina's Yungas forest.

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.

Hakim Isler and Phaedra Brothers tackle the high altitude and extreme cold of the Himalayan foothills in northern India. Phaedra battles food poisoning from before her arrival and suffers through bladder and kidney infections.

Joshua Bell and Amanda Leigh face the hot and swampy jungles of southern Nicaragua while armed with only a machete and a roll of duct tape. Joshua leaves early on day 5 for dehydration and Amanda survives all alone for the rest of the 21 days.

Ashley Burns and Michael Jefferson attempt to survive dazzling heat in Botswana. Ashley medically evacuated on day 3 after suffering dizziness, while Michael tapped out on day 12 after hurting his kidney.

Honora Bowen and Matt Strutzel survive hunger and dehydration in Brazil's North Region. Despite Honora passed out from severe heat, Matt completes the challenge all alone.

An Army mom and a U.S. marine battle alligators, snakes and mosquitoes in the Florida Everglades.

Christina and Steve take on the Mexican jungles of Quintana Roo for 21 days.

Luke, a go-getter from Southern California, and Alyssa, a positive survival instructor, take on the rugged coast of the Yucatan.

Two survivalists take on the hot and hellish conditions of Guyana’s equatorial savannah.

Avid outdoorsman Trenton and novice survivalist Jen take on high elevation in the peaks of Udhampur, India.

A workaholic mom and a loner are challenged to survive three weeks in Thailand.

Charlie, a no-nonsense New Yorker, and Danielle, a nature-loving vegetarian, attempt to survive for 21 days in the deadly Colombian jungle.

A Navy veteran and a military mother survive on an island in Mexico where they encounter a panther and attempt to avoid poisonous tree sap.

A past contestant returns to the show and along with her partner attempts to survive the jungles of Guyana.

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

Two fans are selected for a two-week long challenge in Nicaragua.

When sparks don't fly deep in Panama's Isla San José, an ex-cop Gary Underhill and a "wild child" Kim Kelly clash over cuddling.

Trent Nielsen and Annie Foley are afraid of the dark in the mysterious Mayan jungles of Belize.

Mountaineer Joe Brandl and former cop Andrea Lopez survive in Namibia, which is home to dangerous predators, but inner demons seem to cause more trouble.

Tara Skubella and Dustin Hobbs must endure the jungles of Panama's Isla San José, where disease-carrying insects may prove to be the team's greatest threat.

Hunter Jeremy McCaa and surfer girl Cassidy Flynn must survive on West Nalaut Island in the Philippines.

A self-proclaimed 'king of the forest' and an endurance athlete tackle the backwoods of Alabama. They secure shelter and a fire early on, but when hunger kicks in, one of them does something that's never been seen in show history.

A marine biologist and a special forces veteran risk hypothermia at every turn as they take on Ontario, Canada, with no clothes. Bitter cold, torrential rain and wandering bears and moose make every night a struggle.

A horse trainer and a wilderness instructor take on the rain-soaked jungle of Colombia's Amazonia. Constant downpours and a lack of resources make one survivalist hit rock bottom, and the other is forced to pick up the slack.

Two survivalists team up to tackle the swampy shore of Croatia. A strong partnership is forged through braving the elements and facing their demons, but everything takes a turn for the worst after a freak accident.

An elite endurance athlete and a stay-at-home dad team up to take on the rugged Belize jungle. Jaguars, venomous snakes, falling trees and powerful storms threaten their evolving partnership.

A stay-at-home mom and a trucker try to survive in a Philippine forest after a typhoon scatters debris everywhere. Combating sickness and no food, they come together and ward off hunger by eating a skunk.

A special ops veteran teams up with a single mom to fight torrential rains, flash floods and sickness in Thailand's Sai Rung River Valley. The pair puts their skills to the test before the river leaves them stranded from the crew.

A resilient mom from Washington and a quirky spider-lover tackle the remote Seminole Forest of Florida. Terrorized by huge gators and 550-pound black bears, they are driven to their physical and emotional breaking points.

An adventure guide and a veteran take on Australia's Outback and face brutal terrain, freezing temperatures and lack of sleep. However, their greatest danger may be each other when cultural differences cause tempers to flare.

Survivalists take on the arid lakebeds of Nicaragua. The cutthroat environment features venomous snakes and deadly caiman, but when one of them fails to pull their weight, it becomes clear their worst enemy could be each other.

Two survivalists battle the Honduran rain forest. They survive punishing storms, frigid nights and a nasty case of Montezuma's revenge, but a terrifying encounter with a deadly snake brings the pair to their breaking point.

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.

An extreme athlete and a book smart bartender tackle an Ecuadorian cloud forest where it rains daily. Will their inability to know their own limits eventually get the best of them or will Mother Nature strike the final blow in this Naked and Afraid first?

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.

A survival instructor and a retiree of the armed forces are inserted into the volcano-ravaged island of Montserrat; they have different survival styles but find a way to work together, then one accident has an eruptive effect on both.

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.

A California Buddhist and an Oregon fisherman test their skills against the unforgiving Australian outback, where harsh conditions, scarce food sources and saltwater crocodiles threaten their survival.

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.

A survivalist and an Air Force veteran try to survive in the swamps of Louisiana, but there is trouble in the partnership.

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

Two survivalists are stranded at sea and have to survive for 21 days with no food, water or clothes. They must put their skills to the test to overcome deadly sharks and heatstroke that threaten their survival.

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.

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?

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.

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.

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?

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.

In a haunted Mayan jungle, a painful injury tests the resolve of survivalists Leah and Caesar. Surviving is a struggle as they are faced with suffocating humidity, hungry predators, torrential rainfall, unrelenting insects and intoxicating fruit.

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

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?

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.

One survivalist falls into a roaring fire after weeks of depleted energy due to no food. With just days to go, the pair makes a daring plan for how to survive...but will it cost them the challenge?

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.

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 a mysterious illness

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.

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.

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

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

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

Stalked by aggressive leopards and unable to get fire for protection, two survivalists fight the elements and each other as they look for double redemption on a predator-filled plain in South Africa.

Dropped onto a frozen Alaskan Glacier, All-Star survivalists Laura Zerra and Steven Hall scramble to stave off frostbite and hypothermia. And 7,000 miles south, two new survivalists take on a sun-scorched Brazil island, with anaconda and deadly stingray.

On a sun-scorched Brazilian island, aggressive anaconda and deadly stingray torment survivalists Whitney and Nathan, pushing both of them to their breaking point. Working together they use their hunting and fishing skills to try and make it 21 days.

Two pairs of survivalists are surprised when they must take on the deadly jungles of Panama side-by-side. But before their 21-day challenge begins, they have to re-think their survival strategies along gender lines.

When a third survivalist crashes the challenge, tension and jealousy are just as threatening as the piranha and jaguars of the Ecuadorian rainforest. Claims that there's more going on than just survival puts everyone's challenge at risk.

A deadly spider bite puts Gwen, an Alaskan homesteader at risk of tapping but she works with her partner to get her revenge, in the 130-degree heat of the Mexican jungle.

Elite survivalists Matt Wright and Gary Golding are tested by deadly spitting cobras and territorial elephants in an African killing zone. But Matt and Gary aren't alone each must protect a novice survivalist from the threats surrounding them.

A survivor of rattlesnake, shark and bear attacks teams with Brooke, wife of "Naked and Afraid" veteran Matt Wright, in a vicious African feeding ground.

A haunted Colombian rain forest punishes the survivalists with threats from deadly jaguars, 300 species of snakes and relentless biting insects. But their challenge is threatened when they don't heed the curse of the jungle.

Survivalists expect to struggle against the natural threats for 21 days but when they also face supernatural phenomena – haunted locations, ancient curses and evil spirits – their resolve is tested both physically and mentally.

Pinned down by Africa's most dangerous threats elephants, hippos and lions, survivalists "Mama Kel" and Eric work together to avoid becoming prey and endure relentless storms, but a debilitating injury puts them both at risk.

All-Star survivalists Jake Nodar and Melissa Miller take on the punishing Blackwater Swamp in Florida, which teems with poisonous snakes and aggressive alligators. When one of the survivalists becomes disorientated, local authorities are called in to conduct an all-out search.

Two fan survivalists are dropped on a Mexican island filled with venomous coral snakes, territorial jaguars, blood-sucking chiquistas and a duck named Henry that they desperately want to eat for dinner.

The first couple to ever take on the 21-day challenge tests themselves and their relationship as they take on the Guyana jungle. They must work together to battle jaguars, anacondas, caiman, and more than two-million species of insects.

Avoiding the dangers of a rushing river, two survivalists brave a vast cave system in the Colombian rainforest; trying to survive 21 days, the jungle tests them with threats including venomous fer-de-lance snakes, piranhas and biting insects.

Dropped into a high-altitude jungle in Colombia, Tommy and Leah face territorial Pumas and venomous fer-de-lance snakes, but the biggest threat is the extreme temperature changes, where highs hit nearly 100 degrees and lows plummet into the 40s.

Being naked in the jungle with a complete stranger can lead to funny moments, and laughter can be a critical skill when trying to survive through blood, sweat, tears, snake bites, burns, and rashes in hard to reach places.

In the mountainous rainforest of Honduras, a survivalist with an unusual past is paired with a hard-headed police detective to try and survive 21 days, but predatory jaguars, swarms of fire ants and a debilitating injury threaten their challenge.

In sun-scorched Brazil, survivalists Wes and Jesse try to complete their 21-day challenge, but a jaguar crossing into their camp puts them on high alert. Starvation forces Jesse to attack a beehive in search of honey and the entire colony retaliates.

In sun-scorched Brazil, survivalists Wes and Jesse try to complete their 21-day challenge, but a jaguar crossing into their camp puts them on high alert. Starvation forces Jesse to attack a beehive in search of honey and the entire colony retaliates.

Dropped into Guyana's scorching savannah, two Naked and Afraid superfans fight the oppressive heat and constant insect attacks. Scorching temperatures lead to severe dehydration and force a desperate fan to risk illness by drinking unsanitary fluids.

In an unprecedented Naked and Afraid challenge, identical twin sisters Amber and Serena, as well as brothers Warren and Thomas, are dropped in the African savannah. They take on rhinos, hyenas and a territorial leopard stalking their camp.

Underestimated his whole life, a survivalist with dwarfism tries to prove himself in the Amazon but struggles against predators and his partner.

In the Bahamas two fans face relentless insects and aggressive sharks during hurricane season.

When a third survivalist is added to the mix, romantic complications make surviving the Colombian jungle's poisonous dart frogs and deadly jaguars much more complicated. Feeling left out, a survivalist's emotional breakdown puts his challenge at risk

In a brutal Mexican jungle known to be haunted by Mayan spirits, All-star survivalists Sarah and Trent are tormented by rain, predators and spirits of the rainforest.

Two strangers are dropped in one of the most dangerous African locations in the dead heat of Summer. Faced with aggressive hippos and charging elephants they quickly learn their place, but must mark their territory if they want to make it 21 Days.

On the edge of the Bermuda Triangle, an Army veteran dive master and a Cajun boat captain take on relentless thunderstorms and battle dehydration as they try navigate more than 20 miles of open ocean in the ultimate test of sink or swim.

Two survivalists gets frustrated while trying to navigate the flooded jungles of Belize; the man-and-woman team faces a maze of poisonous snakes and rabid bat infested caves, all in the name of conquering their fears.

Deep in Mexico's Baja desert lies the scorching wasteland of the Devil's Canyon. A Canadian mountain man teams up with an experienced homesteader to take on the canyon's triple-digit heat, scarce water, and venomous predators

In a unique four-person challenge, a lion attack survivor returns to Africa to face her fears. Surrounded by lions, crocodiles and cape buffalo, the tribe of four struggles against constant threats and each other as they try to survive in a kill zone

A powerful earthquake in the Philippine jungle rattles a thrill-seeking chef and a competitive hockey mom, but the territorial monkeys, rainstorms, lack of food, and dehydration lead to a disastrous face-first fall.

Superfans Molly and Nate are dropped deep in the Amazon rainforest, a place that's taken down the best of the best; they lean on lessons learned from their couches to push through torrential rain, relentless bugs, and extreme sleep deprivation.

In the frigid mountains of Bulgaria, wolves circle a successful fan survivalist trying to conquer the 21-day challenge. Large fires are their defense against predators and hypothermia until the flames fan out of control and become the biggest threat.

In a lethal African hunting ground, a biker chick and a taxidermist have to stay on the move to survive. The pair must push across 21 miles of savannah to find food and water while avoiding a pride of lions that's tracking them every step of the way.

A married couple goes from watching the challenge from their couch in Idaho to taking it on in the perilous Philippine jungle. Torrential rain, relentless bugs and deadly boars put their survival skills -- and their marriage to the ultimate test.

In the relentless Colombian jungle, a mom and National Guard vet teams with a firefighter. Violent storms and hypothermic conditions force them to huddle in bat-infested caves. A special bond develops between a survivalist and a wild monkey.

In the frozen American Rockies, snow storms and freezing temperatures force the survivalists to make risky choices with their fire and food sources. An out of control blaze and toxic mushrooms put their challenge and safety at risk.

Torrential downpours hammer the survivalists as soon as they're dropped into the Georgia rainforest. Pushed by the weather, mountain lions, black bears and poisonous copperheads, the pair create a bond that leads to a life-changing decision.

The mile-high altitude of the Rockies tests two strangers' ability to adapt.

The frigid Montana wilderness pushes the survivalists' partnership over the edge. As they struggle to work together, wildlife including bears and aggressive moose circle their camp. Plummeting temperatures create the need for drastic action.

A Hawaiian biologist takes on the blistering Chihuahua Desert.

All-Stars Wes and Suzänne take on Ecuador's relentless rainforest

Tarantulas and desert heat test an adventurer and archaeologist in Texas.

When nature calls, a fan's risky survival strategy backfires.

An Australian bushman and an American biologist form an intimate bond as they take on the Namibian desert together. The relationship grows as they search for scarce food along a thin stretch of raging river whole territorial baboons track them at every turn.

A pair pushing 50 and a pair in their 20s take on the Sonoran Desert.

Surrounded by crocodiles, leopards and venomous snakes, survivalist band together against the South African bush. But scorpion and aggressive tick -- in the most vulnerable parts of the body -- put their challenge at risk.

Florida's brutal black water swamp pushes a hard-headed homesteader and an elite military Alpha male to their limits. Threatened by venomous snakes, dangerous wild boar and torrential rains, the clashing survivalist must work together or fail alone.

All-stars Fernando and Dani land in a rainforest in Ecuador for their third challenge, where jaguars, caiman, anacondas and bullet ants are on the prowl; their divergent approaches to primitive survival might do them in.

Survivalist Lynsey copes with her lone-wolf partner Darvil in South Africa.

Three young survivalists test their skills in the coastal rainforest of Ecuador, where they risk their lives scaling a massive rock cliff to forage for food.

Two teams of international survivalists attempt to endure in South Africa.

Two fan survivalists are in over their head in brutal South Africa.

A football coach and midwife attempt to overcome the curse of Chiapas, Mexico, a location so daunting that no survivalist has completed 21 days. But their radically different approaches to survival hurt their ability to endure.

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.

A transgender Vet and a South African farmer tackle the deadly bush of Zambia where territorial elephants, baboons and crocodiles threaten their every move.

After his brother is medically tapped, a South African sibling seeks redemtion in Zambia, paired with an endurance athlete from Louisiana. But vindication proves harder than expected.

A wilderness guide and a software engineer try to endure 21 days in the Botswana desert. But at night, their safety is threatened by roaming lions and aggressive elephants.

For the first time, two young adult kids of veteran survivalists try to prove they are as good as their parents when they take on 21-days in a dense Mexican rainforest where they face pumas, jaguars, and deadly fer de lance snakes.

Fan survivalist Matt, notorious for his former partner sharting in their water source, teams up with environmentalist, Kerra, to take on 21-days in Zambia. Dropped in a valley teaming with leopards, will he have another environmental disaster?

A wilderness EMT and a hard-headed homesteader try to survive in a coastal Colombian jungle. But when their priorities clash, their partnership becomes volatile.

Legend survivalists Max and Rylie are dropped in the South African bush with two novice fans to try and survive 21 days with spitting cobras, aggressive warthogs, rhinos and leopards.

Two women and two men face off in South Africa to see who can survive 21 days. Pursued by leopards, lions, and hyenas, who will tap first — the men or the women?

Two survivalists try to endure 21 days in the wreckage of an abandoned village in Botswana's Okavango Delta, where aggressive hippos have claimed the territory.

Two survivalists take shelter in a labyrinth of caves in Colombia.

Language barriers stand between two survivalists in the South African bush.

Two foreigners try to become the first survivalists to endure 21 days on U.S soil. But rattlesnakes, unfamiliar terrain and plummeting temperatures threaten to send them back across the pond. Lilly from Austria and Sam from the UK team up to do battle with the New Mexico wilderness.

Justin, a professional fighter, and Kami, a first responder attempt to survive the wetlands of Guyana.

A professional backpacker and an experienced hunter attempt to survive 21 days without their high-end gear in a swampy Argentine savanna teeming with mosquitoes, aggressive bees and violent subtropical storms. Argentina provides the backdrop for survivalists Malorie and Patrick as they contend with an unforgiving jungle.

Four male survivalists who tapped in previous challenges seek redemption in South Africa. Humbled by their past failures, can they make it to 21 days and triumph as a tribe? Limpopo, South Africa threatens to keep four returning survivalists from the redemption they desperately seek.

Jaclin, a paralegal, and Michael, a fishing boat captain, take on 21 days in the mighty Kalahari desert of South Africa, one of the largest stretches of sand in the world.

Heather, a pro-angler from Texas, Sean, son to the late astronaut, William McCool, and Dallas, a reformed ex-con, take on 21 days in the searing heat of Limpokwena, South Africa.

Two Naked and Afraid crew members try their hand at surviving in the wild. The savanna of Guyana provides two Naked and Afraid crew members a chance to experience the show from the survivalists' perspective.

An expert bow-hunter and Air Force Vet hope to survive in deadly Zambia. Joe and Candice struggle to survive the thorns and wildlife of the Luanga Valley, Zambia.

Omar and Raven attempt a 14 day fan challenge in Colombia, discovering what's worse: relentless mosquitos or personality conflicts?

The punishing desert hellscape of Baja, California threatens to take out two more survivalists in this location redemption challenge.

Rachel, a survivalist from Naked and Afraid of Love and Na'im, an outdoorsman from Colorado, take on 21 days in the rugged wilderness of Argentina. But freezing nighttime temperatures might push the pair to their limits.

An ICU nurse and a banker attempt a 14-day fan challenge in the rugged Mexican jungle. But as food becomes scarce they question their will and skill to make it to the end.

Two city slickers from the urban jungles of New York City see if they have what it takes to survive for 14 days in South Africa.

A circus performer and an avid hunter take on 14 days in Tobago

After poisoning the water in her fan 14-day challenge, survivalist Ashley seeks redemption in Tobago with a new partner. But making it to 21 days in a rain-sodden jungle will push them beyond their limits.

Three women attempt to survive 21 days in Zambia; when their fourth partner arrives unexpectedly, the all-female dynamic is shattered.

A hunter and a farmer pool their knowledge as they attempt to survive 21 days in South Africa. But when the wildlife proves too stealthy to hunt, the survivalists take a life-threatening risk for food.

In an international tribes challenge, one survivalist must cope with menstruation in the middle of the African bush.

In this all-female tribe’s challenge, two veteran survivalists return to mentor two newcomers on the perils of San José Del Guaviare, Colombia, for 21 days. But, scarce food resources and torrential tropical storms take a quick toll.

Two former addicts attempt to survive 21 days in the searing Black Hills of South Africa. On their road to recovery, they must contend with man-eating crocodiles, prowling lions and venomous snakes.

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

Two die-hard fans doubt their survival skills after 10 days with no food.

Two superfan critics test their armchair survival knowledge in Colombia.

After surviving a near-fatal fall, an equestrian stunt rider attempts to endure 21 days in Colombia.

Three 14-day fan challenge survivalists return to conquer 21 days.

A professional boxer and a former cop try to survive 21 days in Africa while threatened by a herd of aggressive hippos.

Crippled by injuries and toxic frogs, an adrenaline junkie and a self-proclaimed renaissance redneck must dig deep to try to endure 21 days in Colombia.

A former member of the Amish and an Australian fitness coach attempt to survive 21 days together in the harsh Colombian jungle.

The first-ever double amputee survivalist and an ex-Marine battle torrential storms, deadly snakes and swarming mosquitos as they strive to make it to 21 days in the dense jungles of Belize.

A super fan teams with a supermom to take on the jungles of Mexico's Yucatán Peninsula for 14 days. Battling brutal storms, ravenous bats and unrelenting hunger, they must rely on sheer grit to survive this fan challenge.

Naked and Afraid legend Steven Lee Hall Jr. joins two first-time survivalists for 21 days in the brutal backwoods of Kentucky. Its deadly copperheads and violent storms push even the King of the Forest to his breaking point.

A wounded adventurer and a cautious newlywed attempt to survive 21 days in the remote Philippine wilderness and while tormented by fire ants, stitches and extreme hunger, their ability to endure is pushed to the brink.

A military veteran with a crippling fear of snakes and a Canadian cattle rancher try to survive 21 days in the unforgiving Philippine jungle. A mystery visitor torments them nightly; wracked with hunger, they attempt to trap it.

It's bachelor vs. divorcée on a 14-day fan challenge in the Philippines.

Naked and Afraid legend Laura Zerra returns to mentor a blacksmith and a former MMA fighter as they attempt to survive 21 days in Yucatán, MX.

Four survivalists seek redemption for their past failures. However, their promises to make it through 21 days on a remote Philippine lake are put to the test when they accidentally ingest a toxic substance.

Two survival instructors put their skills to the test during a 21-day challenge in the Philippine jungle. Stalked by king cobras and plagued by a debilitating illness, the experts must learn new skills to endure this master class in survival.

In Mexico, four survivalists attempt to endure 21 days in the ancient Mayan jungle, where humans were once sacrificed to the gods. Battling relentless mosquitoes, torrential storms, and stinging wasps, the two teams must merge into a tribe to survive.

After surviving a 14-day fan challenge, three survivalists attempt to endure 21 days in the rainy, mosquito-infested Belizean jungle. But when one is forced to leave due to a family emergency, a new survivalist arrives at the camp.

A scrappy marine biologist from Mexico and a Viking fisherman from Norway attempt to endure 21 days in the American wilderness.

In this episode, legendary survivalist Matt Wright makes a dramatic entrance into the wilds of Florida’s Everglades.

Veteran survivalists Ky Furneaux and Dan Link take on their toughest challenge yet: surviving 14 days in Thailand with no tools at all.

In a first-ever episode, five social media influencers will attempt to use their primitive skills to survive for 14 days on a rugged, remote island in Thailand.

n unlikely duo must survive 14 days in Zambia, home to some of Africa's most dangerous wildlife.