8.084 minSeason 1 • Episode 20
LatestU-ju announces he’s taking a break from school. Jun-sang resigns and Seo-jin readies to leave Sky Castle. Seung-hye prevails and Su-im’s book comes out.
For the families living at Sky Castle, an exclusive residential community that's home to Korea's elite, their children’s success means everything.
Acting
Kim Seo-hyung's ice-cold tutor will haunt your nightmares.
Writing
Every episode ends on a cliffhanger. Every. Single. One.
Production
That garish mansion is practically a character judging everyone.
Creators
Jo Hyun-tak, Yoo Hyun-mi
Yum Jung-ah
Han Seo-jin
Yoon Se-a
Noh Seung-hye
Lee Tae-ran
Lee Soo-imm
Kim Seo-hyung
Kim Joo-young
Oh Na-ra
Jin Jin-hee
Jung Jun-ho
Kang Joon-sang
Choi Won-young
Hwang Chi-young
Kim Byong-chul
Cha Min-hyuk
Kim Bo-ra
Kim Hye-na
Kim Hye-yoon
Kang Ye-seo
Lee Ji-won
Kang Ye-bin
Kang Chan-hee
Hwang Woo-joo
Kim Dong-hee
Cha Seo-jun
Cho Byeong-kyu
Cha Gi-jun
Lee Hyun-jin
Cho Tae-jun
Trivia, insights & behind the scenes
The term 'sky castle' (skai keoseul) became Korean shorthand for obsessive education fever, sparking national debates about hagwon culture.
Originally planned as 16 episodes, the explosive popularity forced a 4-episode extension — rare for Korean dramas and proof of its cultural chokehold.
KR
