You're referring to the popular reality TV show!
: Discuss the misconception that it features full nudity, vs. the reality of it being a "director's cut" for fans. III. Psychological and Physical Preparation Naked and Afraid: Uncensored (TV Series 2013 - IMDb Naked And Afraid Uncensored
The Internet Movie Database (IMDb) is a great resource for finding information on movies, TV shows, cast members, and even crew details. You're referring to the popular reality TV show