Where to watch Jang Yeong Sil in the US
Jang Yeong Sil isn't currently available on any subscription platform in the US.
Availability updated November 7, 2026.
Jang Yeong Sil TV ratings in Korea
In Korea Jang Yeong Sil averaged a 9.8% audience share over 24 episodes, peaking at 12.4% with episode 8 (Nielsen Korea, nationwide).
Source: Nielsen Korea data as reported by Wikipedia
Jang Yeong Sil plot
Drama series follows the life Jang Yeong-Sil: a scientist, technician and inventor during the Joseon period. Jang Yeong-Sil was born in the lower class nobi. King Sejong notices his abilities and brings him to the palace. King Sejong grants him a chance to display his abilities. He invents tools like astronomical instruments, iron printing press and a water clock.
