The Return of Superman (Hangul: 슈퍼맨이 돌아왔다; also known as Superman Is Back) is a South Korean reality-variety show that airs on KBS2. The Return of Superman is one of the two segments (the other segment is 1 Night 2 Days) on Happy Sunday. This show features celebrity dads being left with their children for 48 hours. It’s been seen that the mothers will leave before the 48 hour starts and returns once 48 hours have finished.