SIGNAL: The Movie – Cold Case Investigation Unit

Name: SIGNAL: The Movie – Cold Case Investigation Unit
Genre: Mystery, Crime
Released: 2021-04-02
Duration: 2 h 2 min
Cast: Kentaro Sakaguchi, Kazuki Kitamura, Michiko Kichise, Yuichi Kimura, Tetsuhiro Ikeda

2021, Japanese. Directed by Hajime Hashimoto.

The story continues from the Japanese SIGNAL drama series. In 2021, a limousine taxi driver causes an accident on a highway, and a high-level government official dies in the accident. The cold case investigation unit, including Kento Saegusa and team leader Misaki Sakurai, have doubts about the case. Meanwhile, in 2009, administrative officers die consecutively in car accidents. The police announce these deaths as accidents. Takeshi Ōyama believes that these deaths were not the product of simple accidents. At 11:23 pm, a walkie-talkie turns on and makes a connection between the future and past. Kento Saegusa and Takeshi Ōyama face the threat of bioterrorism.

Mystery Crime

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Runtime: 2h 2m
Post-credits: None listed
Language: Japanese
Rated: Check local

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Where to watch SIGNAL: The Movie – Cold Case Investigation Unit

SIGNAL: The Movie – Cold Case Investigation Unit is streaming on Amazon Prime Video and Shout! Factory in India.

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Availability in India as of 14 November 2026. Streaming data by JustWatch.

Part of a series

SIGNAL (Japanese): watch order

Cast & crew

Details

Released: 2 April 2021
Original title: 劇場版シグナル長期未解決事件捜査班
Country: Japan
Written by: Kosuke Nishi, Hiroshi Hayashi
Box office: $7.4M

changing the past or futurebased on tv series

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What SIGNAL: The Movie – Cold Case Investigation Unit is based on

SIGNAL: The Movie – Cold Case Investigation Unit is based on Signal, a television series and Signal, a television series.

Television series
Signal
Read on Wikipedia Wikidata
Television series
Signal
Read on Wikipedia Wikidata

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SIGNAL: The Movie – Cold Case Investigation Unit: quick answers

Is SIGNAL: The Movie – Cold Case Investigation Unit worth watching?

SIGNAL: The Movie – Cold Case Investigation Unit doesn’t have enough ratings for a verdict yet.

How long is SIGNAL: The Movie – Cold Case Investigation Unit?

SIGNAL: The Movie – Cold Case Investigation Unit runs 122 minutes (2h 2m).

Does SIGNAL: The Movie – Cold Case Investigation Unit have a post-credits scene?

None is listed for SIGNAL: The Movie – Cold Case Investigation Unit. Viewers tag these on TMDB, so a brand-new film may not be tagged yet.

SIGNAL: The Movie – Cold Case Investigation Unit parents guide: is it suitable for kids?

No age rating is listed for SIGNAL: The Movie – Cold Case Investigation Unit yet.

Which OTT platform is SIGNAL: The Movie – Cold Case Investigation Unit on?

SIGNAL: The Movie – Cold Case Investigation Unit is streaming on Amazon Prime Video and Shout! Factory in India. (Checked 14 November 2026.)

What movies are like SIGNAL: The Movie – Cold Case Investigation Unit?

If you liked SIGNAL: The Movie – Cold Case Investigation Unit, try Aurora Teagarden Mysteries: Haunted By Murder, Aurora Teagarden Mysteries: Reunited and It Feels So Deadly, Aurora Teagarden Mysteries: How to Con A Con.

Who directed SIGNAL: The Movie – Cold Case Investigation Unit?

SIGNAL: The Movie – Cold Case Investigation Unit (2021) was directed by Hajime Hashimoto and stars Kentaro Sakaguchi, Kazuki Kitamura, Michiko Kichise.

What is SIGNAL: The Movie – Cold Case Investigation Unit based on?

SIGNAL: The Movie – Cold Case Investigation Unit is based on Signal, a television series and Signal, a television series.