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 Graham Norton Show (2007)
Comedy Bang! Bang! (2012)
Late Show with David Letterman (1993)
The Dick Cavett Show (1968)
Nick Cannon Presents: Wild 'N Out (2005)
QI (2003)
Rowan & Martin's Laugh-In (1968)
Key & Peele (2012)
One on One (2001)
The Tonight Show Starring Johnny Carson (1962)
Tyler Perry's House of Payne (2007)
Carpool Karaoke: The Series (2017)
Lee Hyuk-jae
Yoo Jae-suk
Kang Ho-dong