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

Cass and Shannon meet for the first time - naked in Belize - as they begin their 21-day survival challenge.

Cass and Shannon run across an ancient cave system during their 21-day survival challenge in Belize.

Will Jeff stray from his deep religious beliefs in order to stay warm at night, or will he and Eva continue to sleep separately in the cave of black widows?

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

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

Water is scarce and the hot sun makes energy levels difficult to maintain.

The mosquitoes in the Amazon jungle are relentless. AK and Tyler have bug bites everywhere - and nakedness takes its toll.

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

Keith goes after a deadly sea snake even though Alana thinks it is a completely unnecessary risk.

Desperate for drinkable water, Keith and Alana attempt to purify water using hot rocks.

Jeff and Eva arrive in Madagascar and strip down for their 21-day naked survival challenge.

Jeff has a personal vendetta against a lizard in Madagascar. When he finally captures it, what he does next will shock you.

On the first night of their 21-day survival challenge, the castaways are pummeled with rain, soaking them to the core.

The castaways spot a snake under a rock. Will it be their dinner, or will they be its next prey?

While squishing through the muddy jungle, a naked castaway spots a snake and needs her partner's aid.

Cassie gives us a close-up look at the bug bites covering her face while she tends the fire.

After making Amanda a duct tape bikini, why didn't Josh make himself some duct tape clothes?

Naked and Afraid executive producer Joseph Boyle speaks with Amanda and Joshua about their experience in Nicaragua.

Find out how Tara developed her passion for survival and the extreme outdoors lifestyle before taking on the Naked And Afraid challenge.

Grubs found inside jungle palm nuts are full of calories and protein. Debbie and Bo make the most of this meal so they can get enough energy to find larger sources of protein.

A leech latches onto Phaedra in an awkward place - right on her bottom. Watch to see the full scene from Naked and Afraid in India.

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

Dustin’s love for survival came naturally. Growing up, he learned from his Dad the importance of relying on yourself to provide the basic necessities.

After being chosen in the #ShowUsWhatYouGot Naked And Afraid contest, fans Kristin and Paolo get ready to strip down and start their special 14 day challenge. Their Naked Introduction is predictably awkward.

After falling ill just a few hours into her challenge in Botswana, Ashley could become the first survivalist ever to quit on Day One.

With very little options for food in Botswana, Michael decides to see what bugs he might be able to catch and eat.

The bugs in Botswana were so bad, Michael could barely sit down without having bugs crawling all over his naked body.

With a broken fire starter and damp tinder, things are not off to a good start.

All four castaways reflect on meeting the other group for the first time.

Michael and Ashley meet - completely naked in Botswana - on Day 1 of their 21 day Naked and Afraid challenge.

Michael and Ashley speak about their harrowing experience in Botswana, including the moments that made them both tap out.