The KBS 2 TV entertainment program 'Happy Sunday - Superman Returns' and '1 Night 2 Days' both recorded the highest national viewing rate this weekend. According to the viewing rate survey company Nielsen Korea, the KBS 2 TV entertainment program 'Superman Returns' and '1 Night 2 Days' both recorded the national viewing rate of 15.4%. The SBS entertainment program "I Like Sundays - Roommate" recorded the national viewing rate of 7%. The KBS 2 TV entertainment program 'Superman Returns' tells a story of celebrities and their children. In addition to actor Song Il Gook and his triplets Dae Han, Min Gook, and Man Sae, MMA Choo Sung Hoon and his daughter Choo Sa Rang, singer Tablo of Epik High and his daughter Haru, and comedian Lee Hwi Jae and his twin sons also star in the show. The KBS 2 TV entertainment program 'Superman Returns' airs every Sunday night.