Produce 101

The Nation's Producer observes the trainees on their first day and evaluates them based on their respective skill sets.

The evaluations continue, with a surprise twist at the end that changes the game for many lower-ranked trainees. The end of the episode switches into training for the theme song.

The trainees compete to either keep or move up a grade. The episode ends with a performance of the show's theme song as well as a reveal of the top-ranked trainees.