2016欧美美国
Jake Nodar Clarence Gilmer Stacey Osorio Angel Rodriguez Steven Lee Hall Jr. Ryan Holt Phaedra Brothers Alyssa Ballestero Tawny Lynn Carrie Booze Darrin Reay Kim Kelly
跟第一季一样，还是从NakedandAfraid《原始生活21天》好几季里选了12个选手继续扩大求生天数到40天。
8集全
2015欧美美国
Danielle Beauchemin Honora Bowen Alana Barfield Chris Fischer Hakim Isler Dani Julien Shane J. Lewis Luke McLaughlin Jeff Zausch E.J. Snyder Eva Rupert Laura Zerra
《原始生活21天》里好几季里选出几个有争议的或是求生能力强的选手，让他们再度分成四组去非洲挑战赤裸裸求生40天
8集全
2015欧美美国
It is the year 2105... a young, inexperienced and highly flawed crew embarks on a routine explorator
完结
