Series synopsis
Signal, also known as シグナル 長期未解決事件捜査班 is a Japanese crime mystery sci-fi & fantasy drama television series that premiered on Fuji TV on April 10, 2018. It ended on June 12, 2018. It was created by Kim Eun-hee, Kim Won-suk. It stars Kentaro Sakaguchi, Kazuki Kitamura, Michiko Kichise and Yuichi Kimura.
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.
Premise
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.
Premise: A Call from the Past, the Call for the Future
Cast and characters
Leading cast
- Kentaro Sakaguchi as Kento Saegusa
- Kazuki Kitamura as Takeshi Ooyama
- Michiko Kichise as Misaki Sakurai
- Yuichi Kimura as Tsutomu Yamada
- Tetsuhiro Ikeda as Shinya Kojima
- Kaede Aono as Rika Anzai
- Fuju Kamio as Ryota Kato
- Atsuro Watabe as Shinnosuke Nakamoto
Supporting cast
- Takemi Fujii
- Masahiro Komoto as Kazuo Iwata
- Toshi Takeuchi
- Kyoko Hasegawa
- Reiko Kataoka
- Aoba Kawai
- Tateto Serizawa
- Yui Sakuma
- Takeshi Ōnishi
- Ryo Sato as Nakajima Reiko [Ryoko's daughter]
- Hiroyuki Onoue
- Toshihiro Yashiba
Guest cast
- Toshi Takeuchi
- Kyoko Hasegawa
- Reiko Kataoka
- Aoba Kawai
- Tateto Serizawa
- Yui Sakuma
- Takeshi Ōnishi
- Ryo Sato as Nakajima Reiko [Ryoko's daughter]
- Hiroyuki Onoue
- Toshihiro Yashiba
- Moro Morooka
- Juri Manase
Episodes
This series spans 3 seasons with 12 episodes.
| Season | Episodes | First aired | Last aired |
|---|---|---|---|
| Season 0 | 1 | March 30, 2021 | March 30, 2021 |
| Season 1 | 10 | April 10, 2018 | June 12, 2018 |
| Season 2 | 1 | November 30, 2026 | November 30, 2026 |
| Episode | Title | Air date |
|---|---|---|
| 1 |
Signal ~ Chouki Mikaiketsu Jiken Sousahan Special The story begins shortly after the finale episode of the 2018 drama, and then moves to 2020, two years later. |
March 30, 2021 |
| 2 | Episode 2 | |
| 3 | Episode 3 |
| Episode | Title | Air date |
|---|---|---|
| 1 |
Episode 1 Fifteen years after witnessing the kidnapping of a girl at school, Kento hears someone calling his name through a discarded two-way radio. |
April 10, 2018 |
| 2 |
Episode 2 Kento determines that the true culprit is a nurse named Keiko Yoshimoto, but she refuses to crack under questioning from Misaki. |
April 17, 2018 |
| 3 |
Episode 3 The two-way radio reconnects after the reinvestigation starts. Just as Kento had suspected, Ooyama had been part of the initial investigation in 1997. |
April 24, 2018 |
| Episode | Title | Air date |
|---|---|---|
| 1 | Episode 1 | November 30, 2026 |
Production
Release
| Original network/platform | Fuji TV |
|---|---|
| First aired | April 10, 2018 |
| Last aired | June 12, 2018 |
| Runtime | 54 minutes |
| Status | ended |
| Schedule | Tuesday at 21:00:00 |