On the latest episode of SBS's Running Man, the cast members revealed a funny incident regarding MC Yoo Jae Suk and female underwear. During the show, one of the cast members revealed, "I saw Yoo Jae Suk wearing female underwear." Yoo Jae Suk then replied, "I couldn't pack my underwear so my manager packed it and brought it to me. I was surprised. It was a triangular shaped underwear." Fellow cast member Haha who was listening added, "The sides of the underwear were curved," further embarrasing Yoo Jae Suk. Other highlights of the episode were when, Yoo Jae Suk went through the challenge of tasting Cola and Sprite with his eyes and nose closed.