An ICU nurse and a banker attempt a 14-day fan challenge in the rugged Mexican jungle; as food becomes scarce, they question their will and skill to make it to the end.

Two city slickers from the urban jungles of New York City see if they have what it takes to survive for 14 days in South Africa; the rough terrain, extreme heat and elusive resources could prove more challenging than they anticipated.

A circus performer and an avid hunter take on 14 days in the untamed jungle of Tobago. But a serious injury threatens their challenge.

After poisoning the water in her fan 14-day challenge, survivalist Ashley seeks redemption in Tobago with a new partner. But making it to 21 days in a rain-sodden jungle will push them beyond their limits.

Three women attempt to survive 21 days in Zambia. But when their fourth partner arrives unexpectedly, the all-female dynamic is shattered.