2 Days & 1 Night (Hangul: 1박 2일; also known as 1 Night 2 Days; abbreviated as 1N2D) is a South Korean reality-variety show that airs on KBS2 beginning August 5, 2007. 1 Night 2 Days is one of the two segments (the other segment is Superman is Back) on Happy Sunday. The show’s current cast members are Kim Jong-min, Cha Tae-hyun, Kim Joo-hyuk, Kim Joon-ho,Defconn, Jung Joon-young.