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.

• Jo Hyo-jinDirector

• Lee Hyuk-jaeMC/Team Leader
• Yoo Jae-sukMain MC
• Kang Ho-dongMC/Team Leader