Produce 101 is a survival reality television series created by South Korean entertainment company CJ E&M, based on the formation of K-pop boy and girl groups. The format of the series is without judging panels, judges or hiring spectators to make decisions; and the number of contestants started out large, up to 96 - 101 contestants, and then ended up choosing only 11 - 12 winners. The series first aired in Korea in 2016 and has since spread to China and Japan.
Produce 101 Season 1, featuring female trainees, aired on January 22, 2016. Produce 101 Season 2, starring male trainees, aired on April 7, 2017. Produce 48, with the participation of 57 female trainees in Korea and 39 members of AKB48 Group from Japan, aired on June 15, 2018. Produce X 101, starring male trainees, aired on May 3, 2019.