Special Investigation Nine 2018
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.
Specials
2019
1 episodes
Specials of Special Investigation Nine premiered on April 7, 2019.
Season 1
2018
10 episodes
Season 1 of Special Investigation Nine premiered on April 11, 2018.
Season 2
2019
11 episodes
Season 2 of Special Investigation Nine premiered on April 10, 2019.
Season 3
2020
10 episodes
Season 3 of Special Investigation Nine premiered on April 8, 2020.
Season 4
2021
13 episodes
Season 4 of Special Investigation Nine premiered on April 7, 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
2022
12 episodes
Season 5 of Special Investigation Nine premiered on April 6, 2022.
Season 6
2023
9 episodes
Season 6 of Special Investigation Nine premiered on April 5, 2023.
Season 7
2024
10 episodes
Season 7 of Special Investigation Nine premiered on April 3, 2024.
