Special Investigation Nine backdrop
Special Investigation Nine poster

Special Investigation Nine

6.0
8 seasons
85 episodes
Returning Series
Drama

Plot Summary

The #9 investigation team has been disbanded and members of the #9 investigation team have been scattered around. One year later, the Chief of the National Police Agency, Sojiro Kandagawa, orders the creation of a special investigation team to cover from the initial investigation until it is sent to the prosecutor's office. Sojiro Kandagawa appoints Sakutaro Munakata as the leader of the special investigation team. Former #9 investigation team members join the special investigation team.

First Aired:April 11, 2018
Last Aired:June 11, 2025
Episode Runtime:45m
Networks:
tv asahi

Cast & Characters

Where to watch free (US)

No free providers found in US.

Seasons (9)

Season 1

Season 1

10 episodes

Aired: 2018

Season 2

Season 2

11 episodes

Aired: 2019

Season 3

Season 3

10 episodes

Aired: 2020

Season 4

Season 4

13 episodes

Aired: 2021

New enemies appear to block the Tokusou 9. As in the past, the Tokusou 9 hold on to their belief that "the case will be solved at all costs" and put their all into solving cases.

Season 5

Season 5

12 episodes

Aired: 2022

Season 6

Season 6

9 episodes

Aired: 2023

Season 7

Season 7

10 episodes

Aired: 2024

Season 8

Season 8

10 episodes

Aired: 2025

Production

TV Asahi