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Special Investigation Nine

Season 4

2021 · 13 episodes · 6h 45m in all

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.

Episodes

  1. 1. Gray Suspect

    7 Apr 2021 · 45 min

    A young woman's stabbed body is found about 10 days after her death in a vacant store in a multi tenant building. The Tokusou team begin investigating, discovering her identity and the fact she promised to meet a man on the day of her death. Meanwhile, the suspect of a murder-robbery case is claiming he saw someone else do the crime.

  2. 2. Murder Designer

    14 Apr 2021 · 45 min

  3. 3. Best Day

    21 Apr 2021 · 45 min

  4. 4. Prayer

    28 Apr 2021 · 45 min

  5. 5. Killing Blueprint

    5 May 2021 · 45 min

  6. 6. Cursed Picture

    12 May 2021 · 45 min

  7. 7. Murder Puzzle

    19 May 2021 · 45 min

  8. 8. Hedgehog in a Locked Room

    26 May 2021 · 45 min

  9. 9. Flying Suspect

    2 Jun 2021 · 45 min

  10. 10. Episode 10

    9 Jun 2021

  11. 11. Episode 11

    16 Jun 2021

  12. 12. Episode 12

    23 Jun 2021

  13. 13

    13. Episode 13

    30 Jun 2021

Special Investigation Nine Season 4: quick answers

How many episodes are in Special Investigation Nine Season 4?

Season 4 of Special Investigation Nine has 13 episodes, about 7 hours in total.

When did Special Investigation Nine Season 4 come out?

Season 4 premiered on 7 Apr 2021.

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