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

Time for a hatchet haircut! Lindsey sacrifices her hair as cordage for a bow drill when she and her partner Luke become desperate for fire.

Get a sneak peek of the Naked and Afraid finale as Alison Teal shows off her MacGyver skills - crafting clothing, baskets and more from her jungle resources.

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!

Thorns all around make a jungle walk hellish. But with handcrafted cord survival sandals, Darrin and Angela can venture into the jungle to find necessary food.

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!

Kim and Gary reflect on their 21 Day challenge in Panama. Watch as they divulge their impressions of each other, toughest moments, and whether or not they'd consider taking on the challenge again.

Geoff reflects on the happiness he found in the jungle despite the 2 emergency room visits he had to make afterwards. Twenty one months later and fully recuperated, Geoff has graduated from college and has just recently started teaching children.

Protein - it's what's for dinner!

In the 2 years since her time in Panama, Melissa has written and published a comic book and has developed a greater appreciation for the non-material things in life.

Tensions are high after a wet, rainy night and the lack of fire is not helping. Can Dawn and Chad get a spark going?

This method of trapping birds has stood the test of time because it’s straightforward and it works. Watch how Paolo get the hang of it right away.

Lee and Stacey struggle to use the hand drill to light a fire on their first day in Croatia. Is this a bad sign of things to come?

Personalities are bound to clash with the extreme conditions of the challenge. But is a peace offering of a coconut enough to ease the tension?

During her Naked And Afraid challenge in Surama Lake, Debbie contracted a nasty infection that caused fatigue, dizziness, and hair loss. But after her recovery, she learns to regret nothing.