S2E1
Episode 1
シグナル 長期未解決事件捜査班
A Call from the Past, the Call for the Future
Continuing
First aired 10/Apr/2018
Japan
Japanese
3 season(s)
20 episode(s)
Two detectives communicate through a walkie-talkie to solve a cold case. One detective exists in the present day, and the other detective exists 15 years in the past.
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Air Time
Source: Asia/Tokyo · Your timezone: America/New_York
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TimeScore
33%
Skip It
Binge Meter
48%
Slow Burn
Episode Pulse
Quiet
40% activity score
Drop Rate
0%
Very Low
Scores are based on audience votes, watchlist activity, episode progress, and viewer behavior on EpisodeTime.
Seasons & Episodes
Browse episodes by season.
Season 2 · Season 2
Season Overview
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Season 1 · Season 1
Season Overview
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S1E16
If You Don't Give Up
Summary
Hae-young is in critical condition after being shot while meeting with Sung-bum. In 2000, Jae-han has been captured by Bum-joo.
S1E15
Is It Really You?
Summary
Hae-young is arrested for the murder of Chi-soo. Soo-hyun hears Jae-han apologizing over the radio for not being able to prevent Sun-woo's death.
S1E14
Not Now, but Maybe in the Past
Summary
Hae-young realizes the possibility that his brother could have been murdered after learning from Hye-seung that Sun-woo was not guilty.
S1E13
The Real Assailant
Summary
Soo-hyun and the others mourn after confirming that the remains belong to Jae-han. Hae-young learns that Jae-han used to look after him in the past.
S1E12
The Case Was Manipulated
Summary
Hae-young becomes a suspect for the murder of Chi-soo. Jae-han realizes who the principle offender of the attack on Hye-seung is.
S1E11
The One Last Case
Summary
Hae-young and Soo-hyun arrest Jin-woo after coming to the conclusion that he is the killer. Hae-young asks Jae-han about the Inju rape case.
S1E10
Episode 10
S1E9
Episode 9
S1E8
Episode 8
S1E7
Episode 7
S1E6
Episode 6
S1E5
Episode 5
Summary
Kento learns that Ooyama went missing 18 years ago and was later dishonorably discharged. In 1998, Ooyama works on a certain serial larceny case.
S1E4
Episode 4
Summary
1997. Ooyama learns from Kento that the next victim will be his friend Midori. In 2018, Kento holds his breath for a favorable outcome.
S1E3
Episode 3
Summary
The two-way radio reconnects after the reinvestigation starts. Just as Kento had suspected, Ooyama had been part of the initial investigation in 1997.
S1E2
Episode 2
Summary
Kento determines that the true culprit is a nurse named Keiko Yoshimoto, but she refuses to crack under questioning from Misaki.
S1E1
Episode 1
Summary
Fifteen years after witnessing the kidnapping of a girl at school, Kento hears someone calling his name through a discarded two-way radio.
Season 0 · Specials
Season Overview
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S0E3
Episode 3
S0E2
Episode 2
S0E1
Signal ~ Chouki Mikaiketsu Jiken Sousahan Special
Summary
The story begins shortly after the finale episode of the 2018 drama, and then moves to 2020, two years later.
Cast
Main cast members.
Kentaro Sakaguchi
Kento Saegusa
Kazuki Kitamura
Takeshi Ooyama
Michiko Kichise
Misaki Sakurai
Yuichi Kimura
Tsutomu Yamada
Tetsuhiro Ikeda
Shinya Kojima
Kaede Aono
Rika Anzai
Fuju Kamio
Ryota Kato
Atsuro Watabe
Shinnosuke Nakamoto
Takemi Fujii
Masahiro Komoto
Kazuo Iwata
Toshi Takeuchi
Kyoko Hasegawa
Reiko Kataoka
Aoba Kawai
Tateto Serizawa
Yui Sakuma
Takeshi Ōnishi
Ryo Sato
Nakajima Reiko [Ryoko's daughter]
Crew
Creators, directors, writers, and production crew.
No Photo
Hiroyuki Wagatsuma
Art Designer
No Photo
Akira Uchikata
Director
Kosuke Suzuki
Director
No Photo
WAKUI Masafumi
Editor
No Photo
Ishida Mai
Producer
No Photo
Takahiro Kasagi
Producer
No Photo
Takashi Hagiwara
Producer
Asami Tachibana
Original Music Composer
Yuki Hayashi
Original Music Composer
Kim Eun-hee
Original Series Creator
Masaya Ozaki
Screenplay
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