Are you hyped about the upcoming episode of the SBS entertainment program 'Running Man'? On the Feb. 1 episode of the SBS entertainment program 'Running Man,' the members are going to introduce their friends as the guests of the episode. On the 231st episode of the SBS entertainment program 'Running Man,' the Running Man guests' friends are going to join the members and play games with them. In related news, on the upcoming episode of the SBS entertainment program 'Running Man,' the Running Man members Yoo Jae Suk, Gary, Haha, Ji Suk Jin, Kim Jong Kook, Lee Kwang Soo and Song Ji Hyo invited their best friends for the special best friends episode. 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.