'Superman Returns' twin brother Suh Uhn successfully walked his first steps. On the upcoming episode of the KBS 2 TV entertainment program "Happy Sunday - Superman Returns," which will air on May 4, 2014, the Lee Suh Uhn, Lee Suh Joon brothers' story will be presented. In the morning of the filming day, the Lee Hwi Jae and Moon Jung Won couple sat together and practiced their son Suh Uhn to walk. Suh Uhn has been able to walk relying on his father's hands, but this morning, he smiled and went from his mother's arms into his father's arms by himself. The Lee Hwi Jae and Moon Jung Won couple could not stop smiling. The most recent 25th episode of the KBS 2 TV entertainment program "Happy Sunday - Superman Returns" will air this Sunday on May 4, 2014.