Season 1
There is one unspoken rule in the music market: top tier idol groups adjust their comeback dates in order to avoid direct competition. But what happens when the nation's favorite idol groups stage their comeback on the same date, at the same time? No more dull comebacks! No more shying away from direct competition! It is now time for these idols to battle it out in this unprecedented 'comeback war'.
Episodes
1 Who's Going First? Aug 29, 2019 
2 The Result of the Preliminary Contest Sep 5, 2019 
3 Doing Covers of One Another's Songs Sep 12, 2019 
4 Doing Covers of One Another's Songs, Part 2 Sep 19, 2019 
5 The Result of the Second Preliminary Contest Sep 26, 2019 
6 Queendom Retreat Oct 3, 2019 
7 The Third Preliminary Round Oct 10, 2019 
8 Fandora's Box Oct 17, 2019 
9 Fandora's Box, Part 2 Oct 24, 2019 
10 The Final Competition Oct 31, 2019