Days of rainfall have lead to an increasingly dangerous flooding situation in Thailand. Matt and Lindsay will have to be extremely careful around the base of the waterfall.

Brandon’s burns were an injury we had never seen on Naked And Afraid before and his hypothermia ultimately forced him to tap out with dignity. Find out how he’s recovered and if he regrets anything.

How do you know when water is safe to drink? How to do you take a water source and make it safe? Watch how Kristin learns basic rules and simple methods for water purification.

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

In the eastern cape of South Africa, is a lost world of grasslands and deep river gorges, known as the wild coast. Two superfans take on this beautiful yet ruthless region of the country for 14 days.

4 months after her time in the swamps of Louisiana, Melanie has gained back some of the weight she lost and eating a clean, healthy diet. She has grown even closer with her partner Jeremy and feels lucky to have had him as a partner.

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

Jeff and Eva are starving in Madagascar and are on a mission to find food.

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?

Cass and Shannon enter the labyrinth of pitch black caves, where they encounter rabid bats and deep drop-offs.

Cass is sick and tired of ticks plaguing him, especially in his eye lids and around his "pee hole."

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

Grubs are a delicious treat when you have no other options for food. Shannon is overjoyed to have found some. Would you eat them?

Michelle and Jeremy meet in the oppressively humid swamps of Louisiana and make a naked pact to make it through 21 days.

In the Everglades, Amber had two different parasites that caused her to be medically taken out of the challenge. Watch her explain her painful recovery and how she feels about her challenge.

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