A double amputee survivalist and an Army veteran take on the ultimate challenge in the jungles of Belize, facing relentless storms, deadly snakes, and relentless swarms of mosquitoes as they push to survive 21 days.

A super fan teams with a supermom to take on the jungles of Mexico's Yucatán Peninsula for 14 days. Battling brutal storms, ravenous bats and unrelenting hunger, they must rely on sheer grit to survive this fan challenge.

Naked and Afraid legend Steven Lee Hall Jr. joins two first-time survivalists for 21 days in the brutal backwoods of Kentucky. Its deadly copperheads and unhappy storms push even the King of the Forest to his breaking point.

A wounded adventurer and a cautious newlywed attempt to survive 21 days in the remote Philippine wilderness; tormented by fire ants, stitches and extreme hunger, their ability to endure is pushed to the brink.

A military vet fights a crippling fear of snakes in the Philippine jungle.

It's bachelor vs. divorcée on a 14-day fan challenge in the Philippines.

Naked and Afraid legend Laura Zerra returns to mentor a blacksmith and a former MMA fighter as they attempt to survive 21 days in Yucatán, MX. But scant food resources, deadly crocodiles, and unhappy storms shake their confidence.

Four survivalists seek redemption for their past failures. However, their promises to make it through 21 days on a remote Philippine lake are put to the test when they accidentally ingest a toxic substance.

Two survival instructors put their skills to the test during a 21-day challenge in the Philippine jungle. Stalked by king cobras and plagued by a debilitating illness, the experts must learn new skills to endure this master class in survival.

In Mexico, four survivalists attempt to endure 21 days in the ancient Mayan jungle, where humans were once sacrificed to the gods. Battling relentless mosquitoes, torrential storms and stinging wasps, the survivalists must merge into a tribe if they hope to exit the hellscape.

After surviving a 14-day fan challenge, three survivalists attempt to endure 21 days in the rainy, mosquito-infested Belizean jungle. But when one is forced to leave due to a family emergency, a new survivalist arrives at the camp.

A scrappy marine biologist from Mexico and a Viking fisherman from Norway attempt to endure 21 days in the American wilderness. They struggle against torrential rains, sparse food and a catastrophic fire in their camp.