Laura Zerra

Twelve survivalists enter a punishing African location where tribes in the area live by a simple rule: banish the weak. As the 40-day challenge begins, deadly crocodiles and territorial leopards circle, and a survivalist is targeted for banishment.

Twelve elite survivalists take on their toughest location yet, Montana's sub-freezing Rocky Mountains.

Thirteen elite survivalists endure a 60-day stay in the Peruvian Amazon. The group face severe environmental conditions, anacondas and piranhas.

An overnight snowstorm tests the survivalists' will. Pushing through foot injuries, Jake scavenges a challenge-changing food win. With Jeremy struggling, Trish needs to step up. Heart conditions put Sarah and Joe's challenges at risk.

Wes confronts Sarah about her contributions to the team. A mountain lion stalks the survivalists. Jermaine's trapping efforts are rewarded. Ky taps her primitive skills to treat an injury. Medics are forced to remove a survivalist from the challenge.

A survivalist's first meal may be their last when bacteria hit them hard; a painful foot burn has a veteran on the brink.