The Best Episodes of 'Naked and Afraid'

Dropped onto a frozen Alaskan glacier, survivalists Laura Zerra and Steven Hall scramble to stave off frostbite and hypothermia; 7,000 miles south, two new survivalists take on a sun-scorched Brazilian island with anaconda and stingrays.

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.

Former military man, Chance is paired with an optimistic naturalist, Melissa, in the Amazon Jungle. Humidity, violent storms, caiman, and red-bellied piranha are just some of the threats they face, and if they make it to Day 21 they're in for a big twist.

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.

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.

A survivor of rattlesnake, shark and bear attacks teams with Brooke, an elite hunter and wife of N&A veteran Matt Wright. Together they take on lions and hyena in a vicious African feeding ground where the environment quickly puts their skills to the test

Billy Berger and Ky Furneaux are dropped in it up to their necks as they have to survive 21 days in the Louisiana swamp. They are washed out of their shelter by storms and have to tackle deadly snakes at every moment while avoiding the hungry alligators.

Two survivalists are challenged to survive the Nicaraguan rain forest. Battling freezing nights, severe dehydration, and each other, can polar opposites work together to survive 21 days when one is vegetarian and the other's a meat eater?

Two survivalists journey to the most hostile environment on the planet to take on the Amazon without modern conveniences or clothing. Battling piranhas, jaguars and mosquitoes, can they survive the unsurvivable?

Avoiding 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 like venomous fer-de-lance snakes, piranhas, and biting insects everywhere.

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 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.

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.

One Army mom and one Marine are shipped out to the sweltering swamps of the Florida Everglades where they will put their military survival training to the test, facing 8-foot alligators, venomous water moccasins, and bloodthirsty mosquitoes.

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.

A self-proclaimed 'King of the forest' and a skilled endurance athlete take on the Alabama backwoods. They secure shelter and fire on Day 1, but once hunger kicks in it pushes one of them to do something we've never seen on Naked and Afraid before.

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

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.

Our protagonists continue to battle mosquito's, gators, snakes and scary nights in the voodoo swamps of the Louisiana bayou.

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.

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.

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.

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

When sparks don't fly deep in the Panamanian jungle, an ex-cop and a self-described wild child clash over cuddling. But when the challenge overwhelms one of them, the other must forage, trap and even kill to keep a glimmer of hope alive.

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?