Season 1 A time-leap series to save president who died 5 years ago. Details Casts Galleries Posters Season Lists Episode Lists Title Season 1 Genres Mystery Crime Air Date 2021-02-20 Episode Runtime 01 Hours 00 Minutes Season Number 1 Episode Count On Season 1 16 Production Companies Arc Media, Studio Dragon Lee Seo-jin... Lee Jin-woo... Lee Joo-young... Seo Jung-in... Kim Yeong-cheol... Seo Ki-tae... Moon Jeong-hee... Kim Young-joo... Kim In-kwon... Do Young-jae... Moon Ji-in... Myung Soo-kyung... Shim Hyung-tak... Han Do-kyung... You Seong-joo... Nam Sung-Beom... Song Young-chang... Baek Kyu-min... Bae Woo-hee... Jo Yoo-jin... Lee Sang-un... Jang Young-joon... Jung Sung-il... Kang Shin-Wook... Ha Jun... Lee Geun-woo... Original Size (1920x1080) Original Size (3840x2160) Original Size (1920x1080) Original Size (1920x1080) Original Size (1820x1024) Original Size (1920x1080) Original Size (900x1282) Original Size (2000x3000) Original Size (959x1438) Original Size (1000x1424) Original Size (800x1200) Original Size (800x1200) Original Size (1500x2137) Season 1 16 Episode(s) 2021-02-20 Episode 1 2021-02-20 A Phone Call... Episode 2 2021-02-21 Lee Jin Woo of Times... Episode 3 2021-02-27 The Destiny That Can Not ... Episode 4 2021-02-28 Another Culprit Appears... Episode 5 2021-03-06 The Politicians... Episode 6 2021-03-07 When Allies Become Enemie... Episode 7 2021-03-13 Trust the Weakness, Not P... Episode 8 2021-03-14 A Suggestion from the For... Episode 9 2021-03-20 The Snake in the Grass... Episode 10 2021-03-21 Selfless in a Selfish Wor... Episode 11 2021-03-27 Shin Wook Joins Hands wit... Episode 12 2021-03-28 A Controlled Society... Episode 13 2021-04-03 Episode 13... Episode 14 2021-04-04 Episode 14... Episode 15 2021-04-10 Episode 15... Episode 16 2021-04-11 Episode 16...