YouTube star Cory Williams and Model/Surfer Anastasia Ashley meet for the first time naked in the jungle. Will they survive 14 days in this special fan episode?

While Cory attempts to start a fire, Anastasia uses the duct tape to fashion a bikini. Only one proves successful.

Frustrated with Adam's inability to make fire, Samantha decides to take charge and has a realization.

Adam and Samantha face their fears about getting naked with a stranger in Velebit, Croatia.

Thirty miles south of the equator is Ecuador's cloud forest, where Kaila and David walk through a cave for their first naked meeting. Will they have the mental strength to make it 21 days?

Unable to dry her feet for days, Kaila's skin begins to show signs of trench foot. If left untreated, the condition could lead to gangrene.

Trevor went on a rigorous diet plan to make up the 20 pounds he lost. He still cherishes his friendship with Kaila and would do it all over again.

A man named Duck and woman named Sarah meet in the jungle. Will they survive 21 days?

What's brown and fat and has 24 very sharp teeth? A large crocodile comes to visit the survivalists.

After a rough challenge, Duck does not recommend sleeping naked in the jungle.

Warm, slimy, prickly pears provide a bitter snack for the survivalists. At least it's an option.

Scott skins a deer carcass covered in files and decides to use some of the hide to make some sturdy shoe material.

Scott gives an update since his time in Texas, his epic escape from a thunderstorm, and how being naked brought him out of his comfort zone.

A master diver and former Navy Seal are dropped off in the ocean, miles from land. Beneath the sea, predators like the 25 foot tiger shark await.

Desperate for food, Sarah resorts to eating a sea raw snail but it doesn't go down easy.

As the dark sets in, Ben and Sarah's inflatable raft springs a leak. Exhausted from paddling for 8 hours the sharks begin circling.

Zack and Afften don't hesitate to strip down for the first time in Guyana. Now that they've met, they're ready to take on the 21-Day challenge.

Boo boo in the jungle? Grab some banana leaves and make yourself a band-aid!

Kim and Shane reflect on the shelter fire after their only protection from the elements goes up in flames.

Watch as our naked duo - Shane and Kim - brave the heavy downpour and attempt to avoid hypothermia in the Costa Rican jungle.

Find out why professional surfer, Anastasia Ashley, and Youtuber, Cory Williams, have decided to take a break from their successful careers and embark on the Naked and Afraid challenge.

Shane and Kim meet each other for the first time - naked - in the jungle.

In Cayo Venado, the source of water was plentiful, but it was far and full of debris. Robin tried to use leaves and roots to concoct tea, but it ended up tasting worse.

Julie says she feels no shame for being the only contestant to have quit the challenge. Watch to hear why.

Surrounded by venomous black widows and scorpions - could you keep calm?

Puma recounts why they had to pull him from the challenge, what happened in the hospital, and some of his biggest regrets.

Think you’ve been #NakedAndAfraid? Sure, you could run out of toilet paper at the worst time... but that’s nothing compared to the Naked And Afraid challenge!

If you think you've got what it takes to survive Naked and Afraid like Adam, #ShowUsWhatYouGot!

At risk for hypothermia, Greg and Cassie do everything they can to get fire while surviving in Canada.

Darrin captured a feast's worth of rat... and now he's taking playing with his food to a new disgusting level.

Thousands oftiny army ants with painful fish hook jaws block Tim and Shannon’s path from every direction. Is there any way through?

The first feelings of sickness have set in, but Afften still feels amibitous and wants to go exploring. Meanwhile, Zack doesn't want the team to over-exert themselves too early.