S Line Season 1 • TV Show
S Line • TV Show • Rating 7.5 out of 10
release-radar
Are there new episodes of S Line coming?
S Line is marked as an ended series, with its final episode airing on July 25, 2025. At this time there are no new seasons or episodes announced, so the release radar for this show is effectively closed unless a revival or spin-off is announced. When the next release does arrive, it is expected to carry the same content rating of TV-MA (US), which can influence when it airs on different providers and platforms.
trailers
Watch the official trailers for S Line
Watch the main official trailer for S Line in one place. Most of these clips were released around October 2025, capturing the show at its peak marketing push. Use the carousel to sample the show's visual style, story hooks and production quality before you dive into full episodes.
Uploaded in October 2025
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TV Shows like S Line
If you enjoy S Line, you may also like Mousetrap, Fringe and Heroes. These recommendations share similar tone, themes, or genres, making them natural follow-ups once you finish this show, and can be streamed for free.
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overview
What is S Line about?
Social. Sex. Secrets. A young woman with the ability to see mysterious red connections between lovers discovers her secret gift is no longer unique when special glasses granting similar powers appear on the black market. It blends sci-fi & fantasy, drama and mystery elements. The series reflects a distinct South Korea style and perspective. The story is shaped by its creators, Ahn Joo-Young and Kkomabi.
cast
Cast and creators of S Line
The main cast includes Lee Soo-hyuk, ARIN and Lee Da-hee. Behind the scenes, it is created by Ahn Joo-Young and Kkomabi, directed by Ahn Joo-Young.
Lee Soo-hyuk
as Han Ji-wook
ARIN
as Shin Hyeon-heup
Lee Da-hee
as Lee Gyu-jin
Lee Eun-saem
as Kang Seon-ah
Kim Dong-young
as Oh Dong-sik
Lee Gwang-hee
as Joon-seon
Lee Han-joo
as Yoon Ji-na
Woo Ji-hyun
as Jung-woo
Nam Kyu-hee
as Kim Hye-yeong
Oh Woo-ri
as Lee Kyung-jin
Oh Seung-jun
as Lee Ji-won
Kim So-young
as Choi I-seo
Park Seong-il
as Bang Seong-jin
Lee Ga-sub
as Oh Jung-min
Park Ye-ni
as Hee-won
Jeong Jae-kwang
as Bartender
Jang Sun
as Hyeon-heup's Mother