Superman is Back (Hangul: ???? ????; also known as The Return Of Superman and Superman Returns) is a South Korean reality-variety show that airs on KBS2. Superman is Back is one of the two segments (the other segment is 1 Night 2 Days) on Happy Sunday. The original 3 episodes pilot aired as a Chuseok holiday special from September 19 till September 21 of 2013, starring Lee Hwi-jae, Choo Sung-hoon, Jang Hyun-sung, Lee Hyun-woo and their real-life children, with actress Yoo Ho-jeong as the narrator. KBS announced on Oct 17, 2013 that Superman is Back will officially become part of the Happy Sunday lineup starting on November 3, 2013. The show replaces Star Family Show Mamma Mia, which was moved to Wednesday nights.