Tomorrow Boy Main cast, played by Kang Min Ah Episode 1x01: Episode 1 (Mar 28, 2016) Episode 1x02: Episode 2 (Mar 29, 2016) Episode 1x03: Episode 3 (Apr 4, 2016) Episode 1x04: Episode 4 (Apr 5, 2016) Episode 1x05: Episode 5 (Apr 11, 2016)