原始生活21天

分别来自墨西哥与挪威的两位求生者，尝试野外求生21天，克服美国荒野的倾盆暴雨与稀缺食物。

A football coach and midwife attempt to survive in Chiapas, Mexico, a location no survivalist has lasted 21 days in; their different approaches to survival hurt their ability to endure.

A former Marine sniper and a Mississippi mom try to endure 21 days in a haunted Colombian swamp; extreme humidity, insects and infection prove difficult to endure.

A transgender Air Force vet and a South African farmer tackle the deadly bush of Zambia, where territorial elephants, baboons and crocodiles threaten their every move; when disaster strikes, a sibling seeks redemption.

After his brother is medically tapped, a South African sibling seeks redemption in Zambia, paired with an endurance athlete from Louisiana; vindication proves harder than expected.

A wilderness guide and a software engineer diagnosed with Asperger's try to survive in the Botswana desert; herds of aggressive elephants threaten their security at night, but their biggest hurdle is learning to communicate with each other.