X-Man
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.
Season 1
Cast
Lee Hyuk-jae
MC/Team Leader
Yoo Jae-suk
Main MC
Kang Ho-dong
MC/Team Leader
