Tunnel
On OCN
A time-travel crime thriller centered on a father's desperate mission to save his daughter, balancing procedural investigation with emotional stakes and the disorientation of temporal displacement.
A police detective from 1986 travels in time to the present to save his daughter.
Where to watch
- AdsTubi TV, The Roku Channel, OnDemandKorea, Amasian TV
Questions people ask
Is Tunnel violent? Yes. More violent than 81% of series.
Is Tunnel sad? Yes. More sad than 79% of series.
Is Tunnel scary? Somewhat. More frightening than 73% of series.
Is Tunnel easy watching? Not especially. Less comforting than 66% of series.
Does Tunnel leave you hopeful? About average. Almost exactly mid-range.
These describe how the series comes across across its whole run, compared with other well-known series. They are not a content list — nothing here was counted or checked episode by episode, so for age-suitability or specific content use a classification board or a dedicated content-warning service.
Cinnamon Score
How much this series gives you that nothing else will, and whether it delivers.
Familiar shape, done well.
How unlike any other series this one feels
How much more it delivers than it promises
How much audiences actually like it
Ensemble
Like Tunnel
Nearest across the full emotional profile.
Same Mood as Tunnel
Nearest on what's most distinctive about this one.
Like Tunnel, But Darker
Similar, pushed toward heavier and more intense.
Like Tunnel, But Lighter
Similar, pushed toward warmer and easier.
Like Tunnel, But Less Popular
Same territory, far fewer people have seen it.
