Naked and Afraid - Season 4

An Army mother and a Marine test their military survival training to the test in the Florida Everglades.

Christina and Steve take on the Mexican jungles of Quintana Roo for 21 days. But with each sleepless bug-filled night tensions between them mount, and in the end, the greatest threat to their survival might be each other.

Luke, a go-getter from Southern California, and Alyssa, a positive survival instructor, take on the rugged coast of the Yucatan. As dehydration, hunger, and the threat of caiman kick in… will the survivalists win or lose to this perilous coastline?

Two survivalists take on the hot and hellish conditions of Guyana's equatorial savannah. Slammed from day one by the heat, they battle debilitating health issues, a team dynamic breakdown, critical survival malfunctions and a massive psychological decline.

Avid outdoorsman Trenton and novice survivalist Jen take on high elevation in the peaks of Udhampur, India. With relentlessly cold nights and an unexpected wildfire, their chances of surviving the 21-day challenge might go up in flames.

A workaholic mom and a loner are challenged to survive three weeks in Thailand. Competing with monkeys and rats for food, it's a daily struggle not only to survive, but to understand each other. Will they be able to come together as a team?

A New Yorker and a nature-loving vegetarian attempt to survive in the Colombian jungle for twenty one days.

A Navy vet and a military mom tackle the harsh conditions of Mexico's uninhabitable Cayo Venado. A prowling black panther, tree sap poisonous to the touch, and a week of freezing rain lead this pair of survivalists right up to the breaking point.

AK, a past survivalist, returns for her chance at redemption. Her partner Jason joins her in tackling the jungle of Guyana, but the two have different priorities. Starvation sets in causing tension to rise. Will they come together and survive the 21 days?

An independent mother of three, plus a jungle savvy Green Beret, take on the remote wetlands of Guyana. Battling disease-carrying sand flies, venomous snakes, and an infestation of caiman present huge challenges. Can this pair survive?