The SBS entertainment program 'Running Man' member Yoo Jae Suk tried to protect guest Moon Chae Won from other Running Man members. On the latest episode of the popular SBS entertainment program 'Running Man,' which aired on January 11, 2015, the Lee Seung Ki and Moon Chae Won couple appeared and played the couple race. On this day's episode, Yoo Jae Suk tried to prevent other Running Man members from approaching Moon Chae Won. When Moon Chae Won walked down the stairs to meet with the Running Man members, Yoo Jae Suk stopped Lee Kwang Soo, who went to escort Moon Chae Won. Later, Yoo Jae Suk also stopped Ji Suk Jin from approaching to Moon Chae Won, making people laugh. In related news, on the most recent episode of the SBS entertainment program Running Man titled 'couple race,' actor Lee Seung Ki and actress Moon Chae Won of the upcoming film "Love Forecast" appeared and played games with the Running Man members. The popular SBS entertainment program 'Running Man' airs every Sunday night, and stars members Yoo Jae Suk, Gary, Haha, Ji Suk Jin, Kim Jong Kook, Lee Kwang Soo and Song Ji Hyo.