Actor Song Il Gook, who stars in the popular KBS 2 TV entertainment program 'Superman Returns,' cried for his love for the triplets. On the most recent episode of the popular KBS 2 TV entertainment program 'Superman Returns,' which aired tonight, Song Il Gook found out about his poor eye conditions. When he found out that he has glaucoma, he cried at the thought that he might not be able to see the triplets when they are in college. 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.