Dropped onto a frozen Alaskan glacier, All-Star survivalists Laura Zerra and Steven Hall scramble to stave off frostbite and hypothermia. Aggressive moose and porcupine are both threats and potential food sources as their skills are put to the test.
On a sun-scorched Brazilian island, aggressive anaconda and deadly stingray torment survivalists Whitney and Nathan, pushing both of them to their breaking point. Working together they use their hunting and fishing skills to try and make it 21 days.
Two pairs of survivalists are surprised when they must take on the deadly jungles of Panama side-by-side. But before their 21-day challenge begins, they have to re-think their survival strategies along gender lines.
When a third survivalist crashes the challenge, tension and jealousy are just as threatening as the piranha and jaguars of the Ecuadorian rainforest. Claims that there's more going on than just survival puts everyone's challenge at risk.
A deadly spider bite puts Gwen, an Alaskan homesteader at risk of tapping but she works with her partner to get her revenge, in the 130-degree heat of the Mexican jungle.
Elite survivalists Matt Wright and Gary Golding are tested by deadly spitting cobras and territorial elephants in an African killing zone. But Matt and Gary aren't alone each must protect a novice survivalist from the threats surrounding them.
A survivor of rattlesnake, shark and bear attacks teams with Brooke, wife of "Naked and Afraid" veteran Matt Wright, in a vicious African feeding ground.
A haunted Colombian rain forest punishes the survivalists with threats from deadly jaguars, 300 species of snakes and relentless biting insects. But their challenge is threatened when they don't heed the curse of the jungle.