Babylon poster

TV series

Babylon

2019TV-MA1 season6.0 / 10

Zen Seizaki is a prosecutor with the Tokyo District Public Prosecutors' Office. While investigating illegal acts by a certain pharmaceutical company, Seizaki stumbles upon a page stained with a mixture of blood, hair and skin, along with the letter "F" scribbled all across the sheet. As he investigates further, the case goes beyond Zen's imagination and becomes vastly complex, challenging his sense of justice and his knowledge of the truth. Digging deeper into the investigation, Zen begins to uncover a concealed plot behind the ongoing mayoral election and ties to many people of interest involved in the election and those closer than he thinks. The case grows more severe and propels Zen into an unforeseen hurricane of corruption and deceit behind the election, the establishment of the Shiniki district, and the mysterious woman associated with it all.

Streaming, rental and purchase options

Where to watch in United States

Checked Jul 22, 2026

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Synopsis

Zen Seizaki is a prosecutor with the Tokyo District Public Prosecutors' Office. While investigating illegal acts by a certain pharmaceutical company, Seizaki stumbles upon a page stained with a mixture of blood, hair and skin, along with the letter "F" scribbled all across the sheet. As he investigates further, the case goes beyond Zen's imagination and becomes vastly complex, challenging his sense of justice and his knowledge of the truth. Digging deeper into the investigation, Zen begins to uncover a concealed plot behind the ongoing mayoral election and ties to many people of interest involved in the election and those closer than he thinks. The case grows more severe and propels Zen into an unforeseen hurricane of corruption and deceit behind the election, the establishment of the Shiniki district, and the mysterious woman associated with it all.

Season 1 episodes

Choose an episode, then use the watch options above for the show.

Episode 1

Suspicion

25m9.0 / 10

While investigating a scandal involving a pharmaceutical company, Zen Seizaki, a public prosecutor from the Tokyo District Public Prosecutors Office Special Investigations Team, discovers an unusual document covered in bloodstains with the letter F written all over it. Seizaki pays a visit to one of the witnesses in the investigation, but stumbles across an unbelievable situation.

Episode credits

Directed by Kiyotaka Suzuki, Keisuke KojimaWritten by Minaka Sakamoto

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Episode 2

Target

25m9.5 / 10

Seizaki struggles to accept the sudden death of a friend and concludes that he must have been killed in retaliation by a politician running in the mayoral election. With help from Kujiin and Hanta, Seizaki interrogates a woman he identified as an important witness in the investigation.

Episode credits

Directed by Nanase TomiiWritten by Minaka Sakamoto

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Episode 3

Revolution

25m9.0 / 10

Nomaru, the secretary general of the Liberal Justice Party, reveals the real purpose of the Shiniki initiative. Seizaki is shocked to learn that Nomaru has connections with the public prosecutor’s office, but continues investigating the deaths of Inaba and his friend anyway. Seizaki decides to focus his investigation on the women who were providing escort services.

Episode credits

Directed by Eiichi KuboyamaWritten by Minaka Sakamoto

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Episode 4

Chase

25m9.0 / 10

The world had been plunged into a state of confusion after Itsuki makes his declaration. Seizaki urgently searches for Itsuki, but is confronted by the fact that Itsuki has not done anything illegal. In the meantime, Sekuro is sent to Seizaki’s office as the newly appointed secretary.

Episode credits

Directed by Hiroyuki KitakuboWritten by Yutaka Yasunaga

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Episode 5

Confession

25m8.5 / 10

To uncover the truth behind Magase, the mysterious woman, Seizaki and Sekuro visit her uncle in Kyoto. Her uncle tells them about a mysterious incident that happened when Magase was in middle school, and also tells them about an unbelievable experience he had while he was her counselor.

Episode credits

Directed by Nobukage KimuraWritten by Yutaka Yasunaga

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Episode 6

Strategy

25m9.0 / 10

With only three days left until the congressional election, Itsuki is scheduled to participate in a public debate. Seizaki searches desperately for Itsuki, but realizes that he still has no evidence that can be used to justify Itsuki’s arrest. While listening to Kujiin, Seizaki comes up with an idea.

Episode credits

Directed by Rokou OgiwaraWritten by Yutaka Yasunaga

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Episode 7

The Most Evil

25m9.5 / 10

The public was overcome with shock after discovering the identity of the boy who appeared in the public debate. When Nomaru’s opponents use his secret weapon against him, he is left with no other choice, and Seizaki puts his plan for kidnapping Itsuki into motion. However, something unusual had begun to happen under the surface.

Episode credits

Directed by Keisuke KojimaWritten by Yutaka Yasunaga

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Episode 8

Hope

25m7.0 / 10

After the parliamentary election, Shiniki was preparing to enact the suicide law. After his kidnap attempt on Itsuki, Seizaki is put under house arrest and spends his days overcome with a sense of powerlessness. One day, Seizaki is paid a visit by an important individual.

Episode credits

Directed by Akira Mano, Tsutomu MurakamiWritten by Yutaka Yasunaga

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Episode 9

Chain

25m8.0 / 10

The city of Hartford becomes the first city in the U.S. to declare their adoption of the suicide law. The White House holds an emergency meeting over the issue, and Alex calls Flores, the mayor. The suicide law had slowly begun to spread throughout the world ever since it was first announced in Shiniki.

Episode credits

Directed by Eiichi Kuboyama, Ryuta ImaizumiWritten by Naohiro Fukushima

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Episode 10

Decision

25m8.0 / 10

Seizaki and Hardy listen to the recording of the telephone call with Flores in a hospice. Meanwhile, Seizaki receives a report saying that Germany and Italy have also adopted the suicide law. In the midst of the confusion, something unbelievable happens right in front of their eyes.

Episode credits

Directed by Kiyotaka Suzuki, Ryuta YamamotoWritten by Naohiro Fukushima

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Episode 11

The Curtain Rises

25m8.5 / 10

The beginning of the G7 summit has arrived. The leaders of the seven countries, which now contain cities that have adopted the suicide law, gather together and share their stances on the suicide law. While the leaders debate the issue from the perspective of morality, economics, and rights, Alex poses a single question that cuts to the heart of the debate.

Episode credits

Directed by Nanase TomiiWritten by Yutaka Yasunaga

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Episode 12

The End

25m8.5 / 10finale

At the suicide summit, Itsuki asks Alex to talk to a girl contemplating suicide. Alex, lost deep in thought in search of the truth behind good and evil, agrees to talk to the girl. On the other hand, Seizaki regards Itsuki's invitation with suspicion and holds tightly on to his gun. Meanwhile, Magase closes in quietly and surely on the two men as the world watches on.

Episode credits

Directed by Kiyotaka SuzukiWritten by Yutaka Yasunaga

Where to watch Babylon

Episode information updated Jul 24, 2026

More about Babylon

Cast

Yuichi NakamuraZen Seizaki (voice)
Satsuki YukinoMagase Ai (Voice)
Takahiro SakuraiShinobu Kujiin (voice)
Kensho OnoAtsuhiko Fumio (voice)
Mao IchimichiHiasa Sekuro (voice)
Kenyu HoriuchiYasutaka Morinaga (voice)
Kazuyuki OkitsuAriyoshi Hanta (voice)
Katsuhisa HoukiRyūichirō Nomaru (voice)

Credits

Written by
Yutaka Yasunaga, Minaka Sakamoto, Naohiro Fukushima

Production details

Status
Ended
Series type
Scripted
Episodes
12
Original language
Japanese
Original title
バビロン

Networks & production

  • Tokyo MXJapan
  • REVOROOTJapan
  • Twin EngineJapan

Themes

animebased on novel or bookconspiracycorruptiondeathdetectiveinvestigationpolice