The first-ever double amputee survivalist and an ex-Marine battle torrential storms, deadly snakes and swarming mosquitos as they strive to make it to 21 days in the dense jungles of Belize.

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 violent storms push even the King of the Forest to his breaking point.

A military veteran with a crippling fear of snakes and a Canadian cattle rancher try to survive 21 days in the unforgiving Philippine jungle. A mystery visitor torments them nightly; wracked with hunger, they attempt to trap it.

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

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