Season 1

The episode opens with all 99 girls being divided into three cells, each consisting of a Korean, Chinese, and Japanese contestant. Groupings are based on a variety of characteristics common to the girls, such as type of…

Starting from this episode, viewers and fans (also known as Planet Guardians) may start voting for their favorite contestants on Universe. Before they can vote, there are rules they need to follow in order to make the g…

The current cell rankings are displayed at the beginning of the episode. The contestants begin preparing for their first mission by determining their positions in the performance.Several days before the team performance…

The group performances continue. After the completion of the performances, the winning team that will get to perform on M Countdown is revealed.During the end credits, it is revealed that only 54 contestants will surviv…

The first ranking announcement begins. The top 16 cells are first announced.During occasional breaks in between announcements, other activities that the girls did together leading up to the day of the announcement were …

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 vote…

The Combination Mission group performances continue. After all of the performances finish performing, the winners of the Combination Mission are announced. During the previews for the next episode, the girls are introdu…

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…

The Creation Mission continues with the 26 girls rearranging parts and changing lineups for their Creation Mission songs. After changing lineups and rearranging parts for their Creation Mission songs, all teams continue…

The episode begins with the girls attending a fan meeting with some viewers of the show. They perform several of their past performances from the Planet Demo Stage and the previous two missions. After the fan meeting, t…

The episode begins with the O.O.O Mission. The girls are grouped into three different teams; two containing nine members and third containing eight. The girls arrange their parts and practice their performance. After pr…

The episode begins with the 18 finalists performing the show's theme song. Due to COVID-19 safety measures, the only live audience was the mentors along with some of the eliminated contestants who were still in Korea at…