A musical battle between 6 trending girl group acts, in order to "determine the real number one" when all 6 release their songs at the same time.
Episodes
Episode 1
6 Kpop Girl Groups (AOA, Mamamoo, Lovelyz, Oh My Girl, (G)I-DLE, plus one secret competitor) compete in a comeback war. In this episode, the groups learn who their competition is for the first time, fight over performance order, and the secret sixth challenger is revealed.
Episode 2
After an inspiring start by Mamamoo and Park Bom last episode, Oh My Girl, (G)I-DLE, Lovelyz and AOA perform their hits. The shocking 66 Drop rule is announced, where a team losing twice in a row is kicked off the show. Oh My Girl gets bad news.
Episode 3
Mamamoo and AOA cover each other. A backup dancer choice raises eyebrows - and rankings, as does a surprise guest.
Episode 4
A Queendom quest affects the cover song competition. Two groups that did poorly last competition make desperate and surprising choices, hoping for a big payoff.
Episode 5
The lead singer and lead dancer from each group collaborate and compete as units. The singers fight over who gets a duet with Hwasa.
Episode 6
The dance unit leader is chosen, and a legendary choreographer joins the unit. The voice units perform a demo. The groups become closer with each other at a retreat.
Episode 8
The "Fandoras Box" challenge, where each group performs a fan-chosen song.
Episode 9
The winners of the combined Vocal Unit, Performance Unit, and Fandora contests are announced.
Episode 10
All the groups perform their comeback hits. A winner is announced.
Top Cast
Taeyeon
Main Host
Lee Yong-jin
Self - Queen Manager
Hyolyn
Self - Contestant
Min Young
Self - Contestant
Yu Jeong
Self - Contestant
Eun Ji
Self - Contestant
Lee Yuna
Self - Contestant
Eunha
Self - Contestant
SinB
Self - Contestant
Umji
Self - Contestant
