The popular KBS 2 TV entertainment program 'Superman Returns' Song Il Gook shared his goal for the New Year. On the most recent episode of the popular KBS 2 TV entertainment program 'Superman Returns,' which aired on January 4, 2015, Song Il Gook shared in the interview that his New Year goal is to potty train the triplets. On this day's episode, Song Il Gook took the triplets to Japanese hot bath and asked the triplets to potty train themselves so that he has less work. In related news, the KBS 2 TV entertainment program 'Superman Returns' tells a story of celebrities and their children. Actor Song Il Gook and his triplets Dae Han, Min Gook, and Man Sae, MMA fighter Choo Sung Hoon and Japanese top model Yano Shiho's daughter Choo Sarang, singer Tablo of Epik High and actress Kang Hye Jung's daughter Haru, and comedian Lee Hwi Jae and his twin sons star in the show. The KBS 2 TV entertainment program 'Superman Returns' airs every Sunday night.