TV Nobody Knows - Season 1 Episode 13 : Episode 13 Nobody Knows - Season 1 Episode 13 : Episode 13 8.1/10 by 22 users Sun Woo visits Eun Ho’s ward and learns that Eun Ho regained his memory. He also finds out that Eun Ho is Hee Seob’s biological son. Young Jin tells Sun Woo and Eun Ho to keep the fact that Eun Ho regained his memory a secret until she catches Sang Ho. Details Casts Posters Images Title Nobody Knows - Season 1 Episode 13 : Episode 13 Alternative Titles 无人知晓 First Air Date 2020-03-02 Last Air Date 2020-04-21 Number of Episodes 16 Number of Seasons 1 Genres Drama, Crime, Mystery, Networks SBS, Casts Kim Seo-hyung, Ryu Deok-hwan, Park Hoon, Ahn Ji-ho, Cho Han-cheul, Yoon Jae-yong, Yoon Chan-young, Seo Young-joo, Shin Jae-whi, Min Jin-woong, Park Cheol-min Plot Keywords , Cha Young-jin Kim Seo-hyung Lee Sun-woo Ryu Deok-hwan Baek Sang-ho Park Hoon Go Eun-ho Ahn Ji-ho Yoon Hee-seob Cho Han-cheul Ha Min Sung Yoon Jae-yong Ju Dong-myung Yoon Chan-young Kim Tae-hyung Seo Young-joo Oh Du-seok Shin Jae-whi Lee Jae-hong Min Jin-woong Han Geun-man Park Cheol-min Hwang In-bum Moon Sung-keun Park Jin-su Baek Soo-jang Jung So-yun Jang Young-nam Bae Sun-a Park Min-jung Ko Hee-dong Tae Won-seok Kim Byung-hee Jeon Seok-chan Jang Gi-ho Kwon Hae-hyo Yun Ja Yeong [Seoul police department] Kang Seo-ha Episodes List Nobody Knows Season 1 :Episode 1 Episode 1 Episode 1 2020-03-02 A high school boy falls off of the top of a building and lapses into a coma. A detective and his school teacher attempt to get to the bottom of the... Nobody Knows Season 1 :Episode 2 Episode 2 Episode 2 2020-03-03 A high school boy falls off of the top of a building and lapses into a coma. A detective and his school teacher attempt to get to the bottom of the... Nobody Knows Season 1 :Episode 3 Episode 3 Episode 3 2020-03-09 A high school boy falls off of the top of a building and lapses into a coma. A detective and his school teacher attempt to get to the bottom of the... Nobody Knows Season 1 :Episode 4 Episode 4 Episode 4 2020-03-10 A high school boy falls off of the top of a building and lapses into a coma. A detective and his school teacher attempt to get to the bottom of the... Nobody Knows Season 1 :Episode 5 Episode 5 Episode 5 2020-03-16 A high school boy falls off of the top of a building and lapses into a coma. A detective and his school teacher attempt to get to the bottom of the... Nobody Knows Season 1 :Episode 6 Episode 6 Episode 6 2020-03-17 A high school boy falls off of the top of a building and lapses into a coma. A detective and his school teacher attempt to get to the bottom of the... Nobody Knows Season 1 :Episode 7 Episode 7 Episode 7 2020-03-23 A high school boy falls off of the top of a building and lapses into a coma. A detective and his school teacher attempt to get to the bottom of the... Nobody Knows Season 1 :Episode 8 Episode 8 Episode 8 2020-03-24 A high school boy falls off of the top of a building and lapses into a coma. A detective and his school teacher attempt to get to the bottom of the... Nobody Knows Season 1 :Episode 9 Episode 9 Episode 9 2020-03-30 A high school boy falls off of the top of a building and lapses into a coma. A detective and his school teacher attempt to get to the bottom of the... Nobody Knows Season 1 :Episode 10 Episode 10 Episode 10 2020-03-31 A high school boy falls off of the top of a building and lapses into a coma. A detective and his school teacher attempt to get to the bottom of the... Nobody Knows Season 1 :Episode 11 Episode 11 Episode 11 2020-04-06 A high school boy falls off of the top of a building and lapses into a coma. A detective and his school teacher attempt to get to the bottom of the... Nobody Knows Season 1 :Episode 12 Episode 12 Episode 12 2020-04-07 A high school boy falls off of the top of a building and lapses into a coma. A detective and his school teacher attempt to get to the bottom of the... Nobody Knows Season 1 :Episode 13 Episode 13 Episode 13 2020-04-13 A high school boy falls off of the top of a building and lapses into a coma. A detective and his school teacher attempt to get to the bottom of the... Nobody Knows Season 1 :Episode 14 Episode 14 Episode 14 2020-04-14 A high school boy falls off of the top of a building and lapses into a coma. A detective and his school teacher attempt to get to the bottom of the... Nobody Knows Season 1 :Episode 15 Episode 15 Episode 15 2020-04-20 A high school boy falls off of the top of a building and lapses into a coma. A detective and his school teacher attempt to get to the bottom of the... Nobody Knows Season 1 :Episode 16 Episode 16 Episode 16 2020-04-21 A high school boy falls off of the top of a building and lapses into a coma. A detective and his school teacher attempt to get to the bottom of the...