Special Investigation Nine (2018)

Temporada 1

Episode 1 - 10,000 years murder

April 11, 2018 • 45 minutes

Asawa Naoki chases a robber who escapes after robbing a jewelry store with a handgun. He suddenly runs into Shindo Ryo who begins chasing the robber with him. Naoki manages to grab the robber without any harm to the general public. The next day, while talking to his wife, Rinko, he receives a call. He heads to the police superintendent's office and is informed by Kandagawa, the police chief, that he will be forming a special investigation team.


Episode 2 - Bride disappeared

April 18, 2018 • 45 minutes

The body of a woman in a wedding dress was found. When Naoki and the others arrive, they are informed that it may have been a suicide by pills. The identity of the body is Saito Maki, the missing concierge of a hotel. She was supposed to be married to Takemura Shigeaki, the front desk clerk of the same hotel. According to Takemura, Maki was staying alone ahead of their ceremony. Naoki and his colleagues check the security cameras but find nothing. The mystery deepens as they discover that Maki was suspicious that Takemura may have been cheating, offering a motive for the apparent suicide.


Episode 3 - Murdered City Planning

April 25, 2018 • 45 minutes

The stabbed body of Morita Akiko, a popular architect, is found. She was participating in a design competition but her design model has been destroyed by someone. The murderer may be Oya Genji, another architect also participating in the competition. After discovering cause of death, they further believe he may have been behind it. However, they soon gets new facts in the case that may point to someone else...


Episode 4 - Corpse Under the Floor

May 2, 2018 • 45 minutes

When freelance writer, Miyoshi Kanako, is redecorating his home, a body is found under the floor by contractor Murata Hajime. According to Inori of the forensics department, the body is male and has been dead for over 5 years. Kanako's father is former deputy captain Taizo, now suffering from dementia and of no help due to his loss of memory. Surprisingly, Taizo seemingly regains his memory and confesses that it was him...


Episode 5 - Harmonica Murder

May 9, 2018 • 45 minutes

A corpse of a puppeteer, Mitsuhashi Ryoko, is discovered by an elementary school student named Shibata Keita. Ryoko was famous for disliking children and was thus tied to Sakai Nanako, a school club instructor often visiting Ryoko's home due to complaints from parents. The team discovers shocking facts regarding the apparently accidental death of Ryoko's husband. A shocking truth emerges...


Episode 6 - Red Flower Murder

May 16, 2018 • 45 minutes

The stabbed body of talent movie producer, Kondo Rumi, was discovered. She's seemingly been struck on her right cheek and is holding an unfamiliar red flower. Certain facts emerge regarding the movie she was working on and the team pursue questioning of several people involved in the movie.


Episode 7 - Banknote Killing

May 23, 2018 • 45 minutes

The body of Nishida Masayoshi, the president of a real estate company, is found by the steps of a shrine. Nakajima Tatsuya, an employee, is found unconscious on top of the body. The strangest part is the 10,000 yen bills scattered around them. It's revealed that Nishida was beaten to death. A third man is suspected as being involved.


Episode 8 - Infinity of Murder

May 30, 2018 • 45 minutes

The body of Yasuko, the wife of company president Mizukami Yojiro, is found their home pool. However, a v-shaped wound is found on her forehead and the home seems have been robbed. The suspects are numerous. Yasuko was disliked for trying to ensure her son will be her husband's successor while also harassing their maid, Nana. A strange paper with an infinity mark is found in Yasuko's room.


Episode 9 - Serial Killer X

June 6, 2018 • 45 minutes

A 75 year old woman is found beaten and murdered in an Itabashi Ward park. Naoki notices that the body has swollen unnatural. In the victim's mouth, the find a fake police badge. Is the killer taunting the police? Additionally, in this same jurisdiction, there were two other murder cases where fake badges were found. Naoki reaches a shocking truth...


Episode 10 - 3 Murders

June 13, 2018 • 45 minutes

Takamori Tetsuya, the Minister of Justice, has reportedly been killed. Naoki rushes to the scene only to find out that the murder victim is actually Takamori's wife Shizue, confusing everyone. Adachi Yoshio discovers the apparentl murder weapon. They conclude that someone with a grudge against Takamori killed Shizue by mistake. However, the disguise of the criminal was discovered and it's believed that Shizue is actually the target. Meanwhile, the truth of Munakata's past comes to light.


Temporada 2

Episode 1 - Episode 1

April 10, 2019 • 45 minutes


Episode 2 - Episode 2

April 17, 2019 • 45 minutes


Episode 3 - Episode 3

April 24, 2019 • 45 minutes


Episode 4 - Episode 4

May 1, 2019 • 45 minutes


Episode 5 - Episode 5

May 8, 2019 • 45 minutes


Episode 6 - Episode 6

May 15, 2019 • 45 minutes


Episode 7 - Episode 7

May 22, 2019 • 45 minutes


Episode 8 - Episode 8

May 29, 2019 • 45 minutes


Episode 9 - Episode 9

June 5, 2019 • 45 minutes


Episode 10 - Episode 10

June 12, 2019 • 45 minutes


Episode 11 - Episode 11

June 26, 2019 • 45 minutes


Temporada 3

Episode 1 - Episode 1

April 8, 2020 • 45 minutes


Episode 2 - Episode 2

April 15, 2020 • 45 minutes


Episode 3 - Episode 3

April 22, 2020 • 45 minutes


Episode 4 - Episode 4

April 29, 2020 • 45 minutes


Episode 5 - Episode 5

June 17, 2020 • 45 minutes


Episode 6 - Episode 6

June 24, 2020 • 45 minutes


Episode 7 - Episode 7

July 1, 2020 • 45 minutes


Episode 8 - Episode 8

July 8, 2020 • 45 minutes


Episode 9 - Episode 9

July 15, 2020 • 45 minutes


Episode 10 - Episode 10

July 22, 2020 • 45 minutes


Temporada 4

Episode 1 - Gray Suspect

April 7, 2021 • 45 minutes

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.


Episode 2 - Murder Designer

April 14, 2021 • 45 minutes


Episode 3 - Best Day

April 21, 2021 • 45 minutes


Episode 4 - Prayer

April 28, 2021 • 45 minutes


Episode 5 - Killing Blueprint

May 5, 2021 • 45 minutes


Episode 6 - Cursed Picture

May 12, 2021 • 45 minutes


Episode 7 - Murder Puzzle

May 19, 2021 • 45 minutes


Episode 8 - Hedgehog in a Locked Room

May 26, 2021 • 45 minutes


Episode 9 - Flying Suspect

June 2, 2021 • 45 minutes


Episode 10 - Episode 10

June 9, 2021


Episode 11 - Episode 11

June 16, 2021


Episode 12 - Episode 12

June 23, 2021


Episode 13 - Episode 13

June 30, 2021


Temporada 5

Episode 1 - Episode 1

April 6, 2022 • 45 minutes


Episode 2 - Episode 2

April 13, 2022 • 45 minutes


Episode 3 - Episode 3

April 20, 2022 • 45 minutes


Episode 4 - Episode 4

April 27, 2022


Episode 5 - Episode 5

May 4, 2022


Episode 6 - Episode 6

May 11, 2022


Episode 7 - Episode 7

May 18, 2022


Episode 8 - Episode 8

May 25, 2022


Episode 9 - Episode 9

June 1, 2022


Episode 10 - Episode 10

June 8, 2022


Episode 11 - Episode 11

June 15, 2022


Episode 12 - Episode 12

June 22, 2022


Temporada 6

Episode 1 - Episode 1

April 5, 2023


Episode 2 - Episode 2

April 12, 2023


Episode 3 - Episode 3

April 19, 2023


Episode 4 - Episode 4

April 26, 2023


Episode 5 - Episode 5

May 3, 2023


Episode 6 - Episode 6

May 10, 2023


Episode 7 - Episode 7

May 17, 2023


Episode 8 - Episode 8

May 24, 2023


Episode 9 - Episode 9

May 31, 2023


Temporada 7

Episode 1 - Episode 1

April 3, 2024


Episode 2 - Episode 2

April 10, 2024


Episode 3 - Episode 3

April 17, 2024


Episode 4 - Episode 4

April 24, 2024


Episode 5 - Episode 5

May 1, 2024


Episode 6 - Episode 6

May 8, 2024


Episode 7 - Episode 7

May 15, 2024


Episode 8 - Episode 8

May 22, 2024


Episode 9 - Episode 9

May 29, 2024


Episode 10 - Episode 10

June 5, 2024


Temporada 8

Episode 1 - Episode 1

April 9, 2025


Episode 2 - Episode 2

April 16, 2025


Episode 3 - Episode 3

April 23, 2025


Episode 4 - Episode 4

April 30, 2025


Episode 5 - Episode 5

May 7, 2025


Episode 6 - Episode 6

May 14, 2025


Episode 7 - Episode 7

May 21, 2025