Celebrity guests are split into two teams to compete in various contests. One guest, known only to himself, is designated the "X-Man", and does his best to cause his team to lose the contests. At the end, all guests try to determine the X-Man's identity.
The Eurovision Song Contest is an international song competition, organised annually by the European Broadcasting Union (EBU) and featuring participants representing primarily European countries. Each participating country submits an original song to be performed on live television and radio, transmitted to national broadcasters via the EBU's Eurovision and Euroradio networks, with competing countries then casting votes for the other countries' songs to determine the winner.
A Japanese variety show hosted by popular Japanese owarai duo, Downtown, with comedian Hōsei Tsukitei (formerly known as Hōsei Yamasaki) and owarai duo Cocorico co-hosting.
Happy Camp is a Chinese variety show produced by Hunan Broadcasting System. The series debuted in 1997, and has remained in production since then due to its popularity. The show was hosted by the Happy Family: He Jiong, Li Weijia, Xie Na, Du Haitao, and Wu Xin. Happy Camp is one of China's most popular shows, with a viewership of tens of millions.