Sam gets a tick bite in the worst spot imaginable; Terra encourages Lynsey to quit; desperate for protection, Adam and Heather start a shelter rebuild; Malorie stalks a massive caiman; The Badlands send a survivalist home.
Adam, Heather and Sam score a massive protein win, but the trek through Colombia's badlands puts the team at risk.
A massive food win buoys Terra and their whole team; on the heels of a caiman kill, Malorie sets her sights on a bigger prize; Heather is shocked when Adam tells her he has not been sharing food; a scorching migration could end Heather's challenge.
Kaiela leads her team on a punishing trek that puts her challenge at risk; Adam and Heather's smoldering tension makes the new camp choose sides; desperate for protein, a risky survival choice pushes Heather to her breaking point.
The remaining survivalists join forces; when the group splinters to hunt resources, it leads to a big protein win but creates tension between Lynsey and Terra; Nathan uses a primitive cooking method to maximize the meat.
Facing an unprecedented two-day extraction, the final eight survivalists hunt, fish and trap potential food; an emergency overnight in the jungle causes fears and tensions to flare; Malorie's struggles cause medics to step in.
Scrambling from the start, 12 elite survivalists take on Montana's sub-freezing Rocky Mountains; medics must intervene after a fainting spell; Gabby and Ky score a food win; a survivalist is forced from the challenge.
With Joe on the brink, Ky and Gabby secure the first food win; Looking to catch trout, Waz and Jake risk hypothermia to dam a frigid stream; medics must intervene after a fainting spell; a survivalist is forced from the challenge.
Desperate for food, Jake and Waz brave frigid water to build a dam; Gabby takes a huge risk that could lead to hypothermia; Jermaine and Sarah clash over survival strategies; a team secures the first big food win of the challenge.
An overnight snowstorm tests the survivalists' will; pushing through foot injuries, Jake scavenges a challenge-changing food win; with Jeremy struggling, Trish needs to step up; heart conditions put Sarah and Joe's challenges at risk.
Wes confronts Sarah about her contributions to the team; a mountain lion stalks the survivalists; Jermaine's trapping efforts are rewarded; Ky taps her primitive skills to treat an injury; medics are forced to remove a survivalist from the challenge.
The Peruvian Amazon's aggressive piranha, venomous fer de lance and even poisonous plants test 12 survivalists. XL rookies look to last 40 days while vets try to make 60 and become Legends. Four survivalists will be gone in the first four days.
Bacteria brings a survivalist to their knees; a painful foot burn has a veteran struggling; conflicting survival priorities spark tension for Amber and Trish.
Steven takes a huge risk when he raids a caiman nest for eggs; Dan and Waz join forces to snare the vultures circling their camp; Amber, Trish and Jen take on a huge project but tensions could tear them apart.
Three elite survivalists join the challenge; Dan and Waz take on dangerous prey; Amber battles an aggressive caiman to feed her team; Steven's main source of food turns sour.
The Legends put their mark on the challenge; desperate to get food for Steven, EJ creates poison blow darts to chase a much-needed meal; Matt spearheads an ambitious dock build that drains Dan's strength; Jeff adds to the tension on Amber's team.
Jeff struggles to keep down food; Trish and Amber hit a breaking point; Matt, Dan and Waz cross piranha-filled waters to score a big kill; EJ and Steven's new camp is stalked by a jaguar; a survivalist leaves the group to go solo.
With Amber gone, Trish and Jen must fend for themselves; Amber joins forces with Steven and EJ; a distant fishing hole means a punishing journey for a team's next meal; Dan and Waz make a high-risk choice.
Desperate for food ahead of their day 40 extraction, Jen pushes Trish to hunt new territory; Dan, Waz and Matt corner one of the Amazon's apex predators, a 6-foot caiman; when Trish and Amber's paths cross again, tensions resurface.
Pushing past day 50, the final six survivalists come together as one group but must scramble to expand their shelter; the Amazon unleashes a bee swarm and a torrential storm; a knife accident threatens a survivalist's challenge.
With day 60 extraction looming, a hunt goes awry and leads to an all-out jungle search for wounded prey; the team's large-scale raft build could be a crushing waste of time and calories; a survivalist decides this will be their last challenge.
12 of Naked and Afraid's best battle their biggest challenge yet - 60 days in Louisiana's punishing swamps.
Matt puts himself at risk of a challenge-ending injury for a potential big alligator win. Massive storms send Steven on a desperate search for resources. The swamp claims its first victim as one all-star calls it quits.
Matt, Rylie and Ryan battle an alligator to get a challenge-changing source of protein. Scavenger Gary's discovery of an animal carcass leads to a risk/reward standoff with his team. Sarah scores a desperately needed food win.
With a huge 8-foot alligator win, Gary eats parts that are too much for his team and his stomach. Complications from Matt's parasite grow more serious. Steven and Jeff stalk much-needed prey. A survivalist is forced from the challenge.
Spotting nutria tracks, Matt wants revenge and his next meal. Jeff uses ingenuity to create a one-of-a-kind swamp smoker. Amber's fishing skills have her team well-fed, but an injury from her military service threatens her challenge.
A brutal injury threatens EJ's challenge and manhood; Jeff and Steven are stalked by a territorial black bear; Rylie, Matt and Ryan land their second huge win of the challenge; Max and Gary plan a risky raid of an active beehive.
To cross the gator-filled swamp, Rylie, Matt and Ryan engineer an epic 50-foot bridge in a desperate attempt for resources; harassed by a black bear, Jeff and Steven must abandon their camp; EJ stalks a gator that has been stealing his fish.
Sub-freezing temperatures descend on the swamp, putting two survivalists on the brink. Rylie finally resolves lingering resentment from a past challenge.
Days from the end of their 60-day challenge, the remaining survivalists join forces against the frigid swamp.
The Peruvian Amazon's piranha, venomous fer de lance and poisonous plants test 12 survivalists. XL rookies look to last 40 days while vets try to make 60 and become Legends. Four survivalists will be gone in the first four days.
Elite Naked and Afraid veterans prepare for an epic 60 days in Lousiana's allgator-filled swamps.
Twelve survivalists enter a punishing African location where tribes in the area live by a simple principle: banish the weak; as the 40-day challenge begins, deadly crocodiles and territorial leopards circle; a survivalist is targeted for banishment.
As temperatures soar, survivalists try to hunt while being hunted themselves. At Camp Murder Puddle, the group fights off a night attack by aggressive crocodiles. A team in turmoil leads to the first self-banishment of the challenge.
After self-banishing, Kate is slammed by Africa's wrath; desperately hungry, Bulent gets a major score with his bare hands; Wes and Gwen's first big food win goes wrong, threatening their health and challenge.
A brutal windstorm punishes the survivalists; a falling-out with Bulent leads Makani to banish herself and risk going it alone; Kate finds a new group, and the desperate team goes on a hunt that could make or break its challenge.
Makani desperately pushes through the broiling valley to find a new tribe; Ryan hatches a high-risk plan to get a kill; Suzanne plots her exit from Seth, but Africa's heat thwarts her plan and forces a survivalist to leave the challenge.
An unlikely alliance scores the challenge's first big-game kill; Suzänne risks her survival by banishing herself from Seth; Bulent wards off hyenas and baboons; on a two-day hunting mission, Ryan's surrounded by deadly predators.
Brutal heat punishes Suzanne as she makes a new start after leaving Seth; barehanded Killer Bulent takes on a monitor lizard; a potential snake attack could be Seth's first African food win; a tribe plans a move that could upend the challenge.
Wes scores another kill, but when a large group enters their camp, the win creates tension; a desperate man migrates to Seth's watering hole.
Wes and team get their third big-game kill, but the victory quickly becomes an unexpected and very dangerous medical situation; a broiling heat wave pushes temperatures to 130 degrees and tests Bulent's ability to survive solo.
Gwen and Sarah lead the charge to build a crossbow in the bush.
With extraction just days away, one survivalist goes against the group, is banished and must try to complete the challenge alone; Gwen and Sarah deploy crossbows as they push for one last kill; a deadly snake could end someone's challenge on Day 40.
Without food, clothing, and water to begin, amateur survivalists are put to the test in desolate, dangerous environments for 40 days.
From the comforts of home, XL All-Stars from previous challenges come together to watch the episode and offer hysterical commentary as well as insightful survival takeaway.
Twelve elite survivalists enter an unprecedented 40-day XL challenge; in the Philippines, the survivalists must survive shark-infested waters before facing a dense jungle crawling with deadly snakes and monitor lizards.
Dropped into the South China Sea, 12 elite survivalists try to survive 40 days on land and sea; nearby, two all-star survivalists enter the same challenge looking to survive not just 40 days but an unprecedented 60 days.
Ambushed by tropical storms, the survivalists are pounded by torrential rain and heavy surf; survivalists are stalked by sharks after taking to the open seas; one survivalist reaches his or her breaking point due to the storms and lack of food.
Since the open sea is too dangerous to navigate, survivalists trek through a jungle filled with venomous centipedes, vipers and monitor lizards.
A survivalist on a hunting expedition is bitten by a snake and requires an emergency medical evacuation; tensions arise between teams as hunting grounds get territorial; one group scores protein while their neighbors are on the brink of starvation.
A grueling five-mile hike into the snake-filled jungles of the Palawan island tests the three remaining teams of survivalists; the one-day journey turns into two days of chaos, and one survivalist must be medically evacuated from the challenge.
The group is devastated when two critical survivalists leave the challenge; with just 10 days left before extraction, Jeff is forced to change his survival strategy but a medical emergency quickly has him on the brink of a tap out.
Stalked by lions, spitting cobras and bull sharks, survivalists must use their skills to avoid becoming prey while hunting elusive and dangerous creatures.
Medics closely monitor Jeff's high fever and prepare for his evacuation; the others scramble for a five-mile extraction journey through shark-infested waters; a survivalist pushes too hard leading to a medical emergency on the open sea.
Jeff is called out for his no hand-outs survival strategy but refuses to back down; a look at the survivalists and how they survived each other, featuring a free-wheeling discussion, interviews and never-before-seen footage.
Stalked by lions, hyenas and aggressive crocodiles, 13 all-star survivalists try to survive for 40 days in Africa's sun-scorched Selati Basin; resources are scarce, and when one group scavenges meat, hungry predators stalk their camp.
An attack by a venomous predator puts one of the survivalists at risk just three days into the challenge; with food scarce, the competitors hunt warthogs and impalas, and, as they track their prey, the survivalists are also being stalked.
A survivalist enters a leopard kill zone to secure a big kill for his team; a storm unleashes torrential rains on each camp, and the temperature plummets nearly 40 degrees; a survivalist is forced to leave as a result of the brutal conditions.
Freezing rainstorms torment the remaining survivalists who are at risk for severe hypothermia; a successful hunt ends up backfiring and could cost two survivalists the challenge.
A survivalist sustains a devastating injury, then a vicious storm destroys the survivalists' food supply; both events threaten to tear apart the newly merged camp.
XL All-Star Matt Wright seeks redemption as he takes on the brutal challenges of surviving Africa by himself; after more than 20 days alone, Matt begins a search for the other XL survivalists.
Risking retaliation from a leopard, two survivalists scavenge the predator's kill to provide food for the team; Matt Wright joins the other survivalists and immediately causes a confrontation within the group.
Survivalists embark on several dangerous hunts to secure protein and prepare for their arduous extraction on the horizon.
Brutal injuries and life-threatening illnesses bring an early end to the 40-day challenge for the elite survivalists; the survivalists reflect on the moments when everything began to go wrong; includes never-before-seen footage and interviews.
The weak, divided group gets a much-needed victory when the hunters score a kill; to finish the challenge, the survivalists must complete a brutal extraction across deadly killing fields of lions, crocodiles and leopards.
The survivalists come face to face for the first time since their 40-day challenge in Africa; the most memorable and devastating moments as well as new perspectives are presented through never-before-seen footage, interviews and heated exchanges.
Thirteen "Naked and Afraid" all-stars take on the hunting grounds of apex predators including lions, hyenas and jaguars as they attempt to survive 40 days and 40 nights in the unforgiving environment of Africa's Selati River Basin.
Nine "Naked and Afraid" veterans are introduced as they prepare to return to the challenge, this time in the deadly jungle of Ecuador's Amazon Basin.
Nine "Naked and Afraid" veterans attempt to survive the deadly jungles of Ecuador's Amazon Basin for 40 days and 40 nights.
The seven remaining survivalists enter the second week of their 40-day challenge in the bug-infested Amazon jungle.
Lacey's night-fishing plan yields a boost in strength and team morale; lack of food and sleep at Camp Laguna Negra makes Shannon spiral downward; Matt and Russell take to the water and score another huge protein win.
The six remaining survivalists merge into a single team at the halfway point of the brutal 40-day challenge; a deadly bacteria threatens to take out the group's leader.
Days after the arrival of a new team member, division among the remaining six survivalists deepens as Russell leads the men on a risky two-day hunting expedition.
Four weeks into the 40-day Amazon challenge, a violent two-day storm descends on the jungle.
The remaining survivalists struggle to regroup in time for a brutal two-day, 15-mile water extraction journey.
The 10 survivalists reunite for the first time since leaving the Amazon; through roundtable discussion, new interviews, and never-before-seen footage, they offer insight into the highs and lows of their 40-day challenge.
Veterans of all three seasons come together for the first time to compare their experiences and share new insight into the 40-day survival challenge.
On the drought-stricken plains of South Africa, a lack of water leads one group to venture off to find others and another group goes hunting for big game.
After only two weeks, South Africa takes a huge toll on the survivalists; frustrations among the group, leopards and tick-bite fever threaten to take some out of the challenge.
As the survivalists approach the halfway point of the challenge, the battle for alpha male prevents them from coming together to battle starvation and sickness.
When Steven and Darrin fail to return from a hunting expedition, the group has no choice but to break camp and search for answers.
Ryan separates from the group and finds his camp circled by a deadly animal while he is sick and helpless.
The contaminated fruit of a single tree sets off a shocking chain of events within a 24-hour period; illness and panic spread through the group, bringing into question whether anyone will make it to Day 40.
As deadly predators begin to close in on the remaining survivalists, they must find the energy to secure food and start their long journey to extraction.
All 12 survivalists return to bring viewers behind the scenes of their 40-day challenge in South Africa; with new interviews and footage.
Survivalists must endure 40 days and nights in the Colombian badlands, where they will battle Mother Nature.
Veteran survivalists are dropped into the badlands of Colombia, where they must survive for 40 days and nights with no food, water or clothes.
After being dropped into the badlands of Colombia, one survivalist taps out, while hunger, thirst and distrust threaten to eliminate others.
The remaining participants struggle to adapt to the environment and each other; tensions rise in other camps.
After three weeks in the bush, the survivalists travel across the savannah in desperate search of food.
The 10 remaining survivalists reach the 21-day milestone; the group fights for their lives with an electric eel and night visits from a puma.
With 15 days remaining, the ten survivalists converge at Piranha Lake where they will compete for meager rations.
The dirty dozen survivors from "Naked and Afraid XL" come together for the first time since their life-changing 40-day challenge.
The final and most difficult part of the 40-day challenge begins; Jeff and EJ decide to attempt their extraction alone; relationships grow contentious between both teams as they navigate the treacherous landscape to try and finish the challenge.