After the end of the grand first match, the groups prepare for the second match, the Cover Song Battle.
Quest roles:
Shin Hye-jeong(Guest), Kim Chan-Mi(Guest), Cho Mi-yeon(Guest), Minnie(Guest), Song Yuqi(Guest), Hyunjae(Guest), Kevin(Guest), Q(Guest), Sunwoo(Guest), Jaeyun(Guest), Lee Keon Hee(Guest), Yeo Hwan Woong(Guest), Lee Joo-heon(Guest), Chae Hyung-won(Guest), Song Dong Geon(Guest), Kim Min Su(Guest), Kim Je You(Guest), Lee Seo Ho(Guest), Kim Gun Hak(Guest), Yang Hong-seok(Guest), Adachi Yuto(Guest), Jung Woo-seok(Guest)