Episode 4

The results of the remaining one-on-one battles are revealed. So Mi, Mina, and Natty remain Majors, while Min Young, Eun Suh, and Momo remain Minors. Ji Hyo replaces Chae Young in the Majors lineup, sending her to Minors. Eun Suh is eliminated from competition because she forgot her choreography in the middle of her stage. The contestants' next mission is to be a group challenge between minor and major teams. The teams are divided into Major A (Mina, Na Yeon, Chae Ryeong, Jeong Yeon), Major B (Natty, So Mi, Ji Hyo), Minor A (Momo, Ji Won, Chae Young), and Minor B (Tzu Yu, Min Young, Da Hyun, Sana). The match-ups are revealed to be Major A vs. Minor B and Major B vs. Minor A. The winning teams will make up the new Major lineup. The losing teams then will compete against each other. The losers of the second battle will be up for elimination. The girls are shown preparing for the competition, but no match-ups were shown this episode.
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