Jeff and Laura get smacked with a dangerous, destructive typhoon that destroys all their progress and tests their mental strength as elite survivalists.

After losing their shelter and supplies during a typhoon, Jeff and Laura explore the jungle to find more resources, a turning point in their 60-day challenge.

It's Day 21, and Jeff and Laura prepare for the difficult 12-mile journey ahead of them. At the end of the trek awaits a new challenge - to begin a new 40-day XL challenge with 12 strangers.

Grady and Josh confront the dangers of Croatia's Velebit Mountain.

Grady and Josh battle snakes, mosquitoes and dehydration in Nicaragua.

Grady and Josh face punishing conditions in Bulgaria's Rila Mountains.

Shipwrecked, Grady and Josh seek solutions for food, shelter and water.

Stranded in the Peruvian Andes, Grady and Josh battle altitude sickness.

Experts face Wyoming’s Bighorn Mountains in the dead of a brutal winter.

Grady and Bo are dropped into separate locations of a Colombian jungle.

Innovative survival tricks help acquire food, shelter, fire and water.

Two Naked and Afraid super fans get one-on-one intensive primitive survival training with veteran survivalist, Gabrielle, before attempting a full 21-day challenge alongside all-stars Matt Wright and Gary Golding.

Naked and Afraid XL takes a sneak peak into the toughest ever survival challenge. Twelve Naked and Afraid veterans will attempt to last 40 days and 40 nights in the Colombian badlands. Will their enemy be Mother Nature or each other?

Naked & Afraid XL drops twelve veteran survivalists into the badlands of Colombia. Their challenge is to survive 40 days & 40 nights with no food, water, or clothes. Standing in their way are deadly predators, the stifling heat and each other.

After a week of being dropped into the dangerous and desolate badlands of Colombia with no food or water, one survivalist has already tapped out, another is on the brink, and hunger, thirst, and distrust are threatening to take down several more.

After fourteen days, many who remain are struggling to adapt to their environment and each other. Some consider migrating to try and find new resources, while in other camps tension continues to rise and may lead to our second tap out of the season.