This episode was the finale of the Produce X 101 series. The episode started of with the final trainees doing a final journal in a practice room. They talked about their adventure and progress on the show. Some clips were shown from various points in the show. It then went to the live stage with Lee Dongwook introducing the start of the show and getting things started. Once voting was opened, the final 20 trainees started performing the show's title song "X1-MA". Throughout the song, the eliminated trainees joined the stage creating a full performance of all 101 trainees. Lee Dongwook then revealed the name of the group, as was voted on by the public, "X1". "X1" is meant to represent the show's title song "X1-MA", the 11 trainees in roman numerals, and the 10+X theme of the show. They then showed some behind the scenes recording and practices for "Boyness" and "To My World", even teasing who the group centers would be. The groups were shown gathered and watching clips of each trainee as center, then voting on who would be the final center for both songs. During the live performance following these clips, it was revealed that Song Yuvin was chosen as the center for "Boyness" and Hwang Yunseong was chosen as the center for "To My World". After the performances of each debut song all 20 trainees then performed the song "Dream For You" with some behind the scenes clips played before hand. Throughout the show, Dongwook teased the places of the trainees hovering around the debut cut-off. Clips were then shown of the trainees watching their audition clips, and then complimenting each other and sharing their bonds and friendships. Next was the official ranking announcement. Lee Dongwook announced the trainees from 10th to 3rd, then called the candidates for 1st and 2nd to the stage to reveal the rankings. After the top 10 trainees were officially announced, Dongwook then announced the "X" trainee. This trainee was the one of the 10 trainees left that had received the most amount of votes from the beginning of the show until the voting was closed in this final episode. Lee Dongwook had some final closing words, and then Kim Yohan (ranked 1st) called the 11 debut members to greet the nation as a unified group. (Source: Wikipedia)