Season 1 Drama Stage 2018 tvN , 2017 - 2018 An anthology series of single-episode special dramas created by CJ E&M's OPEN project to discover talented new story tellers. There are scheduled to be 10 episodes in the series. Season 2 Drama Stage 2019 tvN , 2018 - 2019 Season 3 Drama Stage 2020 tvN , 2019 - 2020 Season 4 Drama Stage 2021 tvN , 2021