Susunu! Denpa Shōnen is a Japanese reality television show which aired from January 11, 1998, to September 29, 2002, on the Nippon TV network, and online from October 2009. From Wikipedia
Nasubi, a Japanese comedian, endured a grueling 15-month ordeal on a reality TV show without realizing his suffering was broadcast to millions, now detailed in the Hulu documentary 'The Contestant'.