*Contestants who passed the preliminary auditions appear in front of the three judges for the first time. Contestants can pass with at least two "passes" from the judges, or a judge can offer to use the Wild Card.
Round 2: Ranking Audition
*Contestants who pass the first round are put into groups with others that are most similar to their singing style. The whole group can pass, fail, or a selected few can pass. Each contestant gets to have one-on-one training with Park Jin-young, Yang Hyun-suk, or You Hee-yeol.
Round 3: Team Mission
*Contestants form teams to compete against another team. The winning team moves on to the next round. At least one member of the losing team must be eliminated.
Round 4: Casting Audition
*Contestants perform solo or in teams assigned by the judges. Each judge has six casting cards. Each spot can be occupied by a contestant or a team of contestants. Contestants selected train with their particular judge for the battle audition. Contestants not selected in the casting round are eliminated.
Round 5: Battle Audition
*Contestants represent the company they were cast to in a 1 to 1 to 1 battle. First place automatically gets to be in the Top 10, while 3rd place is eliminated. Contestants who finish in 2nd place battle the other contestants who finished 2nd place. Anyone who does not get in the Top 10 teams/contestants is eliminated.
For the Top 8 Finals, the Top 10 competed in two groups on stage with the results determined by the judges. The top three contestants from each group were chosen to proceed to the next round.
* The Top 8, who proceeded to the live stage, were determined by the three judges as well as a 100-member Audience Judging Panel. The last two contestants from each group became Elimination Candidates, with the Audience Judging Panel voting for their preferred act. The two acts with the most votes from the four Elimination Candidates proceeded to the Top 8, with the other two contestants eliminated.
The Top 8 competes 1:1 on the live stage with the results determined by the judges. One contestant from each group is chosen to proceed to the next round.
The contestants not chosen will go through voting by 100 citizen judges, where the two top contestants will proceed to the next round.
For the Top 4, 3 Finals, Semi-finals and Finals, the judges and viewers' scores were weighted 60:40, and were combined to eliminate the contestant with the lowest score.
Ratings
In the individual show ratings below, the highest rating is in red, with the lowest in blue.
