Gary's time spent around the world in extreme conditions has prepared him for the Naked And Afraid challenge. Learn more about his past from his casting tape.

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

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

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

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

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

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.

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

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

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.

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

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!

Jeremy and Melanie are determined to lure a crawfish out of its hole. With a little luck and patience, they’ll be eating a delicious snack, eyeballs and all.

Things got weird on Naked and Afraid...really weird. Check out this hilarious Bares All clip to see what happened behind-the-scenes on Naked and Afraid.

Alana Barfield, the first Naked and Afraid survivalist who completed the 21 day challenge alone while in Fiji, shares words of wisdom with the upcoming Naked and Afraid cast.

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.