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.

The pressure of building a shelter is too much for these strong-willed survivalists, but trust and unity are essential in order to make it to the end.

Using cordage to make nets can make all kinds of useful items, like a hammock or clothing. Watch Paolo learn the ropes!

Billy and Ky meet each other for the first time, just before their 21-day naked survival challenge in the swamps of Louisiana.

Billy and Ky find themselves caught in a nasty storm in the swamplands of Louisiana. As their shelter is washed out, they face the harsh realities of Bayou survival.

Learn step-by-step how to make a loincloth from scratch using leftover nutria hide.

Luke and Lindsey meet on day 1 of their Naked and Afraid survival challenge. Will they have what it takes to survive?

Billy and Ky are having a rough time between sleep deprivation, poor weather and relentless mosquitos, but Ky is getting tired of Billy's whining.

From parrot heads to turtle testicles, the survivalists have eaten it all. Relive the craziest eating moments from Naked and Afraid history.

Angela and Darrin sit down with Naked And Afraid Executive Producer Joseph Boyle to discuss 21 days of clashing personalities, animal invasions, and more.

Zack makes good use of his selfie camera and lets out a goofy side during his last week of the survival challenge!

Billy demonstrates how to transform a broken piece of glass into a lethal spear head, creating a weapon better-suited for hunting than a simple wooden spear.

Desperate for protein a few days into the Naked And Afraid challenge, Jake resorts to swallowing grubs whole.

Don't miss a very special Naked and Afraid with James Franco and Seth Rogen this Sun 8/7c.

Paolo learns how to build fire using a bow drill. He quickly learns how much finesse goes into this primitive method - and how much of a pick-me-up it is when you’re successful in making fire!

As Chad’s stamina dwindles, the pair desperately search for a fresh water source in Montserrat.

Lee and Stacey meet each other for the first time in Croatia. Nothing awkward about being naked with a stranger!