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Season 1
16 Episodes
Episode 1
-
You're Doomed
Episode 2
-
We Still Have a Chance
Episode 3
-
We Can Prevent the Killings
Episode 4
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We Found the Killer
Episode 5
-
Changing the Past Alters the Present
Episode 6
-
Catch Him by All Means
Episode 7
-
We Must Dig Deeper
Episode 8
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How Are You Alive?
Episode 9
-
Hongwon Dong Case
Episode 10
-
Someone Has to Stop the Bad Guys
Episode 11
-
The One Last Case
Episode 12
-
The Case Was Manipulated
Episode 13
-
The Real Assailant
Episode 14
-
Not Now, But Maybe In The Past
Episode 15
-
Is It Really You?
Episode 16
-
If You Don't Give Up
Signal
Overview
Detectives from the present and a detective from the past communicate via walkie-talkie to solve a long-time unsolved case.
corruption
investigation
murder
tragic past
butterfly effect
+4 more
Last Updated: November 7, 2025
Trailers and Clips
![[#시그널] 6분 하이라이트!](https://img.youtube.com/vi/JnX9ctyNrAI/maxresdefault.jpg)
[#시그널] 6분 하이라이트!
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![[#시그널] 6분 하이라이트!](https://img.youtube.com/vi/JnX9ctyNrAI/sddefault.jpg)
[#시그널] 6분 하이라이트!
0 viewsJanuary 14, 2016
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