主演：安洁儿·妮可 塞莱斯特·布兰登 布莱恩·布里莫 Mike Infante Ilene Sullivan Rudy Ledbetter Andrew J. Parker Jasper Hammer Jake Kopronica Joe Casterline Les Murphy Liam Lobo Brady Sharp Avarayanna Trujillo Jasmine Kowalski Paul Bradford Shannon Maria Smith Kelsey Starr
主演：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
简介：跟第一季一样，还是从Naked and Afraid《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。
主演：Matthew Followill Alex Burger Tamer Burjaq Roxane Hayward Michael Greyeyes Michael Jibson Vincent Kartheiser Ron Livingston Natascha McElhone Tatanka Means Meganne Young Maria Vos Anna Camp Dylan Edy Jessica Sutton Nick Boraine
主演：克里斯·梅西纳 马琳·爱尔兰 Robert Deamer Anne H. Wilson Yaitza Rivera Paul Day Marine Buton Matthew L. Oliva Brett Collier Justin Stevenson Brandon Dexter Courtney Krings Jomar Gomez