

B: The Beginning
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.
Where to watch B: The Beginning in United States
Click a service to open B: The Beginning there. Availability last verified on June 20, 2026.
Where is B: The Beginning streaming around the world?
| Country | Streaming on | Rent / Buy |
|---|---|---|
| United States | Netflix, Netflix Standard with Ads | Apple TV Store, Fandango At Home |
| India | Netflix | — |
| United Kingdom | Netflix, Netflix Standard with Ads | — |
| Canada | Netflix, Netflix Standard with Ads | Apple TV Store |
| Australia | Netflix, Netflix Standard with Ads | — |
| Germany | Netflix, Netflix Standard with Ads | — |
| France | Netflix, Netflix Standard with Ads | — |
| Spain | Netflix, Netflix Standard with Ads | — |
| Brazil | Netflix, Netflix Standard with Ads | — |
| Japan | Netflix, Netflix Standard with Ads | — |
About B: The Beginning
B: The Beginning is a 2018 Japanese-language action & adventure, animation and drama series. The cast is led by Asami Seto, Hiroaki Hirata, Yuki Kaji. It spans 2 seasons and 18 episodes and has concluded. Viewers rate it 7.6/10 across 200 ratings. In United States, it is currently streaming on Netflix, Netflix Standard with Ads.
B: The Beginning was produced by Production I.G, Netflix, and Production I.G and made in Japan and United States of America. It was first aired on March 2, 2018, and carries a TV-MA certification.
- First aired
- March 2, 2018
- Last aired
- March 18, 2021
- Original language
- Japanese
- Age rating
- TV-MA
- Status
- Ended
- Seasons
- 2 (18 episodes)
- Network
- Netflix
- Country
- Japan, United States of America
- Production
- Production I.G, Netflix, Production I.G
B: The Beginning cast & crew
The cast features Asami Seto as Lily Hoshina (voice), Hiroaki Hirata as Keith Kazama Flick (voice), and Yuki Kaji as Kokuu (voice).
Behind the camera, it was produced by Rui Kyo.
Is B: The Beginning worth watching?
B: The Beginning holds an audience score of 7.6/10 from 182 ratings, marking it as well-reviewed action & adventure series.
With 2 seasons and 18 episodes, it's a meaty weekend watch.
If you enjoy action & adventure, animation, and drama, B: The Beginning is worth a place on your watchlist.
How and where to watch B: The Beginning
In United States, you can stream B: The Beginning on Netflix and Netflix Standard with Ads, or rent and buy it on Apple TV Store and Fandango At Home. Click any service above to open it directly.
Streaming rights change country by country and month by month, so the options above reflect United States today — switch your country at the top of the where-to-watch section to see availability elsewhere.
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Cast of B: The Beginning

Asami Seto
Lily Hoshina (voice)

Hiroaki Hirata
Keith Kazama Flick (voice)

Yuki Kaji
Kokuu (voice)
B: The Beginning — FAQs
▸Where can I watch B: The Beginning in United States?
B: The Beginning is streaming on Netflix, Netflix Standard with Ads in United States.
▸Is B: The Beginning on Netflix?
Yes — B: The Beginning is currently available on Netflix in United States.
▸What language is B: The Beginning in?
B: The Beginning is originally in Japanese. Subtitle and dub options vary by streaming service.
▸How many seasons of B: The Beginning are there?
B: The Beginning has 2 seasons with 18 episodes in total.
▸What is B: The Beginning rated?
B: The Beginning is rated TV-MA. It holds a 7.6/10 audience score from 182 ratings.











