KBS 2 TV entertainment program "Happy Sunday - Superman Returns" actor Jang Hyun Sung resigned from the program. Actor Jang Hyun Sun and his family are to resign from the show with the episode that is scheduled to air this Sunday. The fans who learned of the news expressed their sadness for not being able to see actor Jang Hyun Sung and the Joon Joon brothers on the show. Actor Jang Hyun Sung notified through his agency today that "the children are getting older and need to focus on school. I also need to focus on my career as an actor. After discussing with the production team of the show, I decided to resign. I was grateful of the love we received, and I will give back with good works." In related news, 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.