Sixteen

Episode 4 (1x4)

Air date: May 26, 2015

The contestants' next mission is to be a group challenge between minor and major teams. The teams are divided into Major A, Major B, Minor A, and Minor B. 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.