Knowing Bros

Special Episode: "Knowing Bros Music Video Battle." Special Guests: Jang Sung-kyu. Universe Cowards section: Song Ji-hyo, Shindong (Super Junior), Lee Sang-jun (composer), Jang Jae-ha (producer), Kim Cho-yeon, Yoon Sang-woong (assistant producers); Jo Kwang-hee (martial arts supervisor), Kevin (sound director), Lee So-hee (makeup), Yang Hee-eun (via phone), Roh Ji-sun (Fromis 9), Park Mi-sun (via phone). Kim Young-chul section: Gong Chan-soo, Noh Sang-yeop, Lee Hyun-jeong (composers), Wheesung (via phone), K-TIGERS, Uhm Jung-hwa (via phone).