Episode 1
Episode 1
25m5.7 / 10
Koku is approached by Kirisame, a figure from his childhood who he thought was dead. He asks Koku to join him in his fight for a new world order.
Where to watch B: The Beginning
TV series
B: The Beginning
2018TV-MA2 seasons7.6 / 10
Genius investigator Keith Flick rejoins the royal police force just as serial killer "B" emerges. Mysterious youth Koku may be an ally, or a target.
Streaming, rental and purchase options
Where to watch in United States
Checked Jul 22, 2026
B: The Beginning is available to stream on Netflix in United States. You can also buy it from Apple TV and Fandango at Home. Use the direct links below to open the provider.
Stream
Synopsis
Genius investigator Keith Flick rejoins the royal police force just as serial killer "B" emerges. Mysterious youth Koku may be an ally, or a target.
Season 2 episodes
Choose an episode, then use the watch options above for the show.
Episode 2
Episode 2
23m4.7 / 10
Kirisame's subordinates force Koku into carrying out an act of violence against a senator. Then Koku breaks into the royal palace.
Where to watch B: The Beginning
Episode 3
Episode 3
24m4.7 / 10
The royal palace refuses to fully cooperate with the RIS investigation. Lily and Koku head out to get more information on Keith's disappearance.
Where to watch B: The Beginning
Episode 4
Episode 4
24m4.5 / 10
Keith's friends narrow down possible locations where he's being held, but with Keith already starting to hallucinate from hunger, time is running out.
Where to watch B: The Beginning
Episode 5
Episode 5
23m5.5 / 10
Koku, Izanami and Yuna have to fight off an ambush from Kirisame's subordinates. Lily gets pulled over while driving with the king in her car.
Where to watch B: The Beginning
Episode 6
Episode 6
23m5.5 / 10finale
With the RIS continuing their pursuit of Killer B, Koku goes into hiding, but Kirisame seeks him out for a final confrontation.
Where to watch B: The BeginningEpisode information updated Jul 23, 2026
More about B: The Beginning
Cast
Asami SetoLily Hoshina (voice)
Hiroaki HirataKeith Kazama Flick (voice)
Yuki KajiKokuu (voice)
Minoru InabaMeyer Boris (voice)
Toshiyuki ToyonagaBrandon Brian (voice)
Hiroki TouchiEric Toga (voice)
Toshiyuki MorikawaRoss Gilbert (voice)
Mitsuki SaigaIzanami (voice)Credits
- Written by
- Katsunari Ishida
Production details
- Status
- Ended
- Series type
- Scripted
- Episodes
- 18
- Original language
- Japanese
Networks & production
Netflix
Production I.GJapan
NetflixJapan
Production I.GUnited States
Themes
alternative presentanimeanti herobrainwashingdark fantasydetectiveimmortalitymassacre
