KBS 2 TV entertainment program "Happy Sunday - Superman Returns" actor Jang Hyun Sung and his two sons went mountain climbing for their last episode. On the 33^rd episode of the popular KBS 2 TV entertainment program "Happy Sunday - Superman Returns," which aired on June 29, 2014, " actor Jang Hyun Sung and his two sons went mountain climbing on Mt. Book Han, which was the place they filmed the first episode of the KBS 2 TV entertainment program "Happy Sunday - Superman Returns." They rested near the river on the mountain and ate the rice balls Jang Hyun Sung made for them. Jang Joon Woo and Jang Joon Suh complemented their dad, saying the rice balls were really tasty. In related news, KBS 2 TV entertainment program "Happy Sunday - Superman Returns" actor Jang Hyun Sung resigned from the program to have his children focus on schools. Actor Jang Hyun Sun and his family are to resign from the show with the episode that is scheduled to air this Sunday. The production team of the popular KBS 2 TV entertainment program "Happy Sunday - Superman Returns" said they are in the process of selecting the new family. The popular KBS 2 TV entertainment program "Happy Sunday - Superman Returns" is a TV show where celebrity fathers take care of their children. It features Epik High Tablo's daughter Haru, MMA fighter Choo Sung Hoon's daughter Choo Sarang, and comedian Lee Hwi Jae's twin sons Lee Suh Joon and Lee Suh Jin. The show airs every Sunday night.