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.

The episode was rated 7,42 from 137 votes.

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.

The episode was rated 7,43 from 118 votes.

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 disoriented, local authorities are called in to conduct an all-out search.

The episode was rated 7,47 from 112 votes.

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.

The episode was rated 7,51 from 150 votes.

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.

The episode was rated 7,60 from 50 votes.

Dropped onto a frozen Alaskan glacier, All-Star survivalists Laura Zerra and Steven Hall scramble to stave off frostbite and hypothermia. Aggressive moose and porcupine are both threats and potential food sources as their skills are put to the test.

The episode was rated 7,60 from 175 votes.

In Mexico’s unforgiving, cenote-covered landscape, two fan survivalists are dropped on an 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 episode was rated 7,62 from 94 votes.

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.

The episode was rated 7,67 from 135 votes.

In a punishing Brazilian savannah, survivalists Wes and Jesse deal with searing heat as well as paralyzing wasps, aggressive bees, and poisonous rattlesnakes. But a territorial jaguar family circling their shelter may cost them the 21-day challenge.

The episode was rated 7,70 from 50 votes.

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.

The episode was rated 7,71 from 126 votes.

Surviving 21 days Naked in the wilderness leads to weird and awkward moments. From bizarre pre-challenge prep and mortifying naked intros, to night-time cuddling gone wrong and learning wildlife bathroom routines the hard way, Naked and Afraid gets weird.

The episode was rated 7,72 from 200 votes.

In South Africa’s Limpopo Basin, elite survivalists Matt Wright and Gary Golding must protect novice survivalists and super-fans attorney Molly Jansen and dog sledder Blair Braverman first as separate teams for 10 days then merging on Day 11 while dealing with spitting cobras, territorial elephants and a violent last-minute storm. Being unused to the unyielding heat, Blair was forced to tap out on Day 14.

The episode was rated 7,82 from 93 votes.

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.

The episode was rated 7,82 from 106 votes.

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.

The episode was rated 7,86 from 111 votes.

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.

The episode was rated 8,00 from 18 votes.