3 episodes
First episode: E1
Signal
There are those who are born monsters, but there are also those who are made into monsters by people.
Detectives from the present and a detective from the past communicate via walkie-talkie to solve a long-time unsolved case.
Created by: Kim Eun-hee, Kim Won-suk
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Quick answers about this series, release status, and episode totals.
When did Signal first air?
Signal first aired on January 22, 2016.
How many seasons and episodes does Signal have?
Signal currently has 2 seasons and 17 episodes.
When is the next episode of Signal?
No official next-episode air date is listed for Signal right now.