Plot: 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

Special Investigation Nine - Season 4
First Episode Aired On:
Wednesday, April 7 2021
3 years ago
Wednesday, April 7 2021
3 years ago
Last Episode Aired On:
Wednesday, June 30 2021
3 years ago
Wednesday, June 30 2021
3 years ago
Number of Episodes: 13