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

Laura and Nicklas meet in the Australian Outback completely naked. After a few jokes and a hug, they are ready to begin the survival challenge.

Vincent and Sabrina meet for the first time, naked in the Bolivian jungle as they begin their 21 day survival challenge.

Sabrina turns to her new "friend" Mushroom Man in her partner's absence. A true castaway moment.

Do you believe in demons? Melissa regales Jeremy with the story of the fateful night that she encountered an incubus.

Vincent's frustrations with Sabrina begin to boil over. Will the pair make it through 21 days together naked and afraid in Bolivia?

Fire ants, mosquitoes, ticks, oh my! One common experience for many of the survivalists is being eaten alive by tiny critters.

Robin and Brandon have diffefrent skills -- and different comfort levels with nudity. But when they meet for the first time in Cayo Venado, Mexico, they're both excited and ready for their 21-Day challenge.

In Annie's casting tape, she explains how she has lived off the land her whole life. With this experience with her family, she's ready to take on the Naked And Afraid challenge.

Leeches invade the private parts of these two Naked and Afraid survivalists in Malaysia.

The ladies of Naked and Afraid were worried about waking up next to more than just fire wood. Hear the guys' and gals' perspectives on this Bares All clip!

In desperate need of protein, Fernando attempts to catch a fish with his bare hands.

Fernando Calderon and Samantha Pearson meet for the first time - naked - in Malaysia.

The naked survivalists look back at all of the gross food they ate during their 21-day survival challenge.

Samantha suffers horribly as her body is covered by hundreds of bug bites while attempting to survive naked and afraid in Malaysia for 21 days.

After Laura and Nicklas reach a new level in their fighting, they decide to split up their camp and efforts as a survival partnership.