Investigation Division 1
警視庁考察一課
We checked 8 streaming services in India on 04 Jun 2026 at 11:36 IST
About
The First Investigation Division of the Metropolitan Police Department, which is based in the Dai-Tokyo Police Station , is headed by Keiichiro Funakoshi, the Chief of the First Investigation Division . This is a department that specializes in considerations that lead to solutions. Along with Ryu Fujii , a new detective who was newly assigned for some reason , they lead to the solution of many difficult cases one after another while colliding with each other's strengths.
Cast
Eiichiro Funakoshi
as Funakoshi Keiichiro
Momiji Yamamura
as Yamamura Kaede
Masahiko Nishimura
as Nishimura Masao
Reiko Takashima
as Takashima Seiko
Yūko Natori
as Natori Yu
Takashi Naito
as Naito Masashi
Ryusei Fujii
as Fujii Ryu
Eri Tokunaga
as Tokunaga Rie
Shingo Yanagisawa
as Yanagizawa Shinzo
Hinako Kitano
as Kitano Minako
Seasons
Where does Investigation Division 1 rank today?
Investigation Division 1 is #7578 on the Bowood.TV Daily Streaming Charts today.
- Highest: #7578
- Top 10: 0 days
- Top 100: 0 days
Watch Investigation Division 1 Online Free — All Episodes in HD
If you've been searching for Investigation Division 1 all episodes in HD, Bowood.TV has you covered. This well-rated Japanese mystery title from 2022 is available to stream instantly — no ads to fight through, no paid subscriptions, no annoying redirects.
About Investigation Division 1
The First Investigation Division of the Metropolitan Police Department, which is based in the Dai-Tokyo Police Station , is headed by Keiichiro Funakoshi, the Chief of the First Investigation Division . This is a department that specializes in considerations that lead to solutions. Along with Ryu Fujii , a new detective who was newly assigned for some reason , they lead to the solution of many difficult cases one after another while colliding with each other's strengths. Across 1 season and 6 episodes, originally airing on TV Tokyo.
Investigation Division 1 Cast and Characters
The cast features Eiichiro Funakoshi (as Funakoshi Keiichiro), Momiji Yamamura (as Yamamura Kaede), Masahiko Nishimura (as Nishimura Masao), Reiko Takashima (as Takashima Seiko), and Yūko Natori (as Natori Yu). Their performances are a major reason Investigation Division 1 has built such a passionate audience.
Where to Watch Investigation Division 1 Online
Want to watch Investigation Division 1 online without paying? Bowood.TV is the easiest way. Click play and the series starts in seconds. No popups, no "5 day trial that auto-charges" — just the show.
▶ Watch Investigation Division 1 NowWhy People Are Watching Investigation Division 1
Investigation Division 1 flies under the radar but it deserves your attention. What makes it work is tight pacing that earns its twists. If you enjoy Japanese storytelling that doesn't follow the same tired beats, this is the kind of show you'll end up recommending to friends.
Frequently Asked Questions about Investigation Division 1
Where can I watch Investigation Division 1 online for free?
You can watch Investigation Division 1 online free on Bowood.TV. Just open the page and hit play — no signup, no subscription, full HD streaming on phone, tablet, or desktop.
How many episodes does Investigation Division 1 have?
Investigation Division 1 has 6 episodes across 1 season. All episodes are available to stream right here on Bowood.TV.
Is Investigation Division 1 good? What's the rating?
Investigation Division 1 holds a 7.0/10 rating based on 1 reviews — well above average.
Who is in the cast of Investigation Division 1?
The main cast includes Eiichiro Funakoshi, Momiji Yamamura, Masahiko Nishimura, and Reiko Takashima, plus a strong supporting ensemble.
Is Investigation Division 1 available in Japanese?
Yes — Investigation Division 1 was originally produced in Japanese and that's the version you'll stream here on Bowood.TV. English subtitles are provided when available.
When was Investigation Division 1 released?
Investigation Division 1 first aired in 2022.
Do I need an account to watch Investigation Division 1 on Bowood.TV?
No. Bowood.TV is free and you can watch Investigation Division 1 without creating an account. Sign-up is optional — only useful if you want a personal Watchlist or to comment on episodes.
Similar Series You Might Like
If you enjoyed Investigation Division 1, check out Dahaad, Gloria, Year of the Rabbit, Without a Trace, and Diagnosis: Murder.
Frequently Asked Questions
Where can I watch Investigation Division 1 for free?
You can watch Investigation Division 1 online for free on Bowood.TV. All 6 episodes across 1 season are available to stream in HD without a subscription, signup, or paywall. Just open the show page and press play.
How many seasons and episodes does Investigation Division 1 have?
Investigation Division 1 currently has 1 season and a total of 6 episodes. The series status is "Ended", so the episode count may grow as new seasons are released. You can browse the full episode list on Bowood.TV and continue watching from where you left off.
What is Investigation Division 1 about?
The First Investigation Division of the Metropolitan Police Department, which is based in the Dai-Tokyo Police Station , is headed by Keiichiro Funakoshi, the Chief of the First Investigation Division . This is a department that specializes in considerations that lead to solutions. Along with Ryu Fujii , a new dete… It belongs to the Mystery genre.
In which language is Investigation Division 1 originally available?
Investigation Division 1 was originally produced in JA. On Bowood.TV the show is available in its original JA audio. Check the player options on the watch page for available subtitle tracks.
When was Investigation Division 1 first released?
Investigation Division 1 first premiered on October 17, 2022 (2022). The series has since concluded its run.
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