Kim Jong-kook, "Yoo Jae-seok lets out steam on Running Man"

Kim Jong-kookandYoo Jae-seokappeared on the SBS TV show "Running Man".

Kim told Yoo to, 'go have fun on your own time'.

Yoo Jae-seokand So Yoo andKim Jong-kookand Bomi had a cushion flip competition.Yoo Jae-seoksaid prior to the game, "Let's dance before we start".Kim Jong-kookthen said, "I'm sorry but why don't you go have fun on your own time? Why are you trying to let off steam here? We're fine".

Meanwhile, comedian Lee Gook-joo, SISTAR So Yoo and Bora, A-Pink Yoon Bo-mi and AOA'sSeolhyunappeared on this episode of "Running Man".