S4, E7: Singer Kim Bum-soo returns; Super Junior's Kyuhyun also premieres his song; actress Kim Go-eun, who appeared in "Guardian: The Lonely and Great God," dances.
Starring Kim Go-eun, Kyuhyun, Kim Bum-soo
S4, E7: Singer Kim Bum-soo returns; Super Junior's Kyuhyun also premieres his song; actress Kim Go-eun, who appeared in "Guardian: The Lonely and Great God," dances.