E1
Episode 1
Where to watch
Not streaming yet
Coming soon
No streaming availability found for Investigation Division 1 anywhere yet.
Seasons & Episodes
E2
Episode 2
E3
Episode 3
E4
Episode 4
E5
Episode 5
E6
Episode 6
Cast · Directed by Smith
EF
Eiichiro Funakoshi
Funakoshi Keiichiro
MY
Momiji Yamamura
Yamamura Kaede
MN
Masahiko Nishimura
Nishimura Masao
RT
Reiko Takashima
Takashima Seiko
YN
Yūko Natori
Natori Yu
TN
Takashi Naito
Naito Masashi
RF
Ryusei Fujii
Fujii Ryu
ET
Eri Tokunaga
Tokunaga Rie
SY
Shingo Yanagisawa
Yanagizawa Shinzo
HK
Hinako Kitano
Kitano Minako
More from Eiichiro Funakoshi · Lead actor
Hanasaki Mai Speaks Out
2014 · 6.7
Marriage Is Difficult for a Ninja
2023 · 8.9
Don't Call It Mystery
2022 · 7.8
Octo: Emotional Investigator Shinno Akari
2022 · 6.0
The Black Swindler
2022 · 7.2
Trace ~ Men of the science school ~
2019 · 7.8
Miss Devil
2018 · 6.6
Doraemon: Nobita's Dinosaur
2006 · 7.4
Crossroad
2026 · 6.0
Siren
2015 · 6.5
See all fromEiichiro Funakoshi
More from Momiji Yamamura · Co-star actress
More from Smith · Director
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Investigation Division 1 — streaming FAQ
Which OTT platform streams Investigation Division 1?
Investigation Division 1 isn't streaming anywhere in United States yet.
Is Investigation Division 1 on Netflix?
No, Investigation Division 1 is not on Netflix in United States as of October 2026.
Is Investigation Division 1 on Amazon Prime Video?
No, Investigation Division 1 isn't on Amazon Prime Video in United States right now.
Where can I watch Investigation Division 1 for free?
Investigation Division 1 isn't streaming in United States yet, so there's no way to watch it free at the moment.
How many seasons are in Investigation Division 1?
Investigation Division 1 has 1 season in total (6 episodes). The series concluded in 2022.
Are all episodes of Investigation Division 1 out yet?
Yes — all 6 episodes across 1 season of Investigation Division 1 are out and available to stream.
Is there a Season 2 of Investigation Division 1?
No — Investigation Division 1 ended after 1 season, so there is no Season 2.
