The episode begins with the 54 girls entering a room. Host Yeo Jin-goo then enters the room, explaining that the next mission would be the Combination Mission. Yeo also reveals that cells will be disbanded and cell votes will be phased out, meaning that rankings are all now individual.

He then moves on to explain the Combination Mission, stating that the 54 girls will be split into either 3-member, 6-member or 9-member teams for the mission. There are a total of 6 songs for 3-member teams, 3 songs for 6-member teams and 2 songs for 9-member teams. To determine their teams, the girls enter doors labeled "3", "6" and "9" which will lead to respective 3-member, 6-member and 9-member team songs where they will have to pick which song they want to perform.

After forming their teams, the girls then proceed to prepare for their group performances. The girls are first evaluated by the mentors through an interim check before the actual performance. The performances begin.

The four songs created for the next mission, dubbed as the "Creation Mission" is also revealed. Viewers were told to vote who they wanted to perform which song through Universe.

The episode begins with the 54 girls being split into four different groups for the four Creation Mission songs, having been arranged through the voting of viewers. In each song, the girls are split into two proxy teams, resulting in two contestants being assigned as the killing parts of the song for their respective team. The girls begin trying out for the various positions in the song.

In the midst of preparing, the second elimination round results are announced to the girls. The top 7 contestants in each group was announced, followed by the 8th-ranking contestant of each group. Following this, the new Planet Top 9 is announced. Once the Top 9 had been announced, the Planet Pass recipients were announced.