Naked and Afraid

Two survivalists take on the harsh Mayan jungle of Mexico to survive for 21 days with no food, water or clothes. With just days to go, the pair makes a daring plan for how to survive, and it could cost them the challenge.

Two survivalists take on a Nicaraguan jungle to survive for 21 days with no food, water or clothes. They must put their skills to the ultimate test to overcome hostile crocodiles and howler monkeys that threaten their survival.

Two survivalists take on the savanna region of Brazil to survive for 21 days with no food, water or clothes. Depleted and broken, they will be tested unlike any other survivalists before them.

Two survivalists take on a haunted Mayan jungle to survive for 21 days with no food, water or clothes. Surviving is a struggle as they face suffocating humidity, hungry predators, torrential rainfall and intoxicating fruit.

Two survivalists take on the Mississippi swamps to survive for 21 days with no food, water or clothes. They are faced with deadly snakes, unrelenting mosquitoes, nocturnal predators and a relentless week-long thunderstorm.

Two survivalists take on sun-scorched Brazil to survive for 21 days with no food, water or clothes. They must put their skills to the ultimate test to overcome deadly anacondas and venomous stingrays that threaten their survival.

Two survivalists take on the Smoky Mountains of Tennessee to survive for 21 days with no food, water or clothes. They put their skills to the ultimate test to overcome black bears and apex predators that threaten their survival.

Two survivalists take on the swamps of Florida to survive for 21 days with no food, water or clothes. In addition to a hurricane, the pair also endure venomous spiders, insects, and nocturnal predators.

Two survivalists take on a Nicaraguan island to survive for 21 days with no food, water or clothes. They must put their skills to the ultimate test to overcome bull sharks and big cats that threaten their survival.

Two survivalists take on the jungles of Panama to survive for 21 days with no food, water or clothes. They must test their skills to overcome dangerous burns and clashing survival strategies that threaten their survival.

Two survivalists take on the Honduran jungle to survive for 21 days with no food, water or clothes. They must put their skills to the test to overcome torrential downpours and brutal wind storms that threaten their survival.

Two fans take on a tropical island in Panama to survive for 14 days with no food, water or clothes. They face off with aggressive caiman, boa constrictors, large spiders and thorny mangroves.

Stalked by aggressive leopards and unable to get fire for protection, two survivalists fight the elements and each other as they look for double redemption on a predator-filled plain in South Africa.

Two superfans take on the Nicaraguan jungle to survive for 14 days with no food, water or clothes. They must overcome challenges, like freak injuries and thorny plants, and put their skills to the test to survive the jungle terrain.

An army reservist and an EMT are abandoned high in the snow-capped mountains of Colombia where they must brave the elements for 21 days. In addition to territorial pumas and venomous snakes, the duo's biggest threat are the extreme temperature changes.

A mom of four and a veteran take on a predator-infested savanna in Mapungubwe, South Africa. Tensions rise when elephants surround their camp, causing sleep deprivation. The situation becomes even more harrowing when an injury threatens the partnership.

Mother Nature is in full throttle as 20 new survivalists attempt the 21-day challenge. Hurricanes, broken bones, unrelenting insects, bear encounters, deadly snakes and wasp stings on the worst of places become a typical day for the survivalists.

It's man against nature as spiders, bot-flies, mosquitoes and other torturous insects are always the unexpected threat that take down survivalists.