Where to stream

B: The Beginning

7.620182 seasonsCTV SeriesAction & AdventureAnimationDrama

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.

ProducerRui Kyo

Where to watch

Netflix

Netflix Standard with Ads

Netflix Standard with Ads

Availability shown for Mexico · rights vary by country

Seasons & Episodes

E1

Episode 1

Mar 18, 2021 5.7

E2

Episode 2

Mar 18, 2021 4.7

E3

Episode 3

Mar 18, 2021 4.7

E4

Episode 4

Mar 18, 2021 4.5

E5

Episode 5

Mar 18, 2021 5.5

E6

Episode 6

Mar 18, 2021 5.5

Cast

Asami Seto

Lily Hoshina (voice)

Hiroaki Hirata

Keith Kazama Flick (voice)

Yuki Kaji

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B: The Beginning — streaming FAQ

Which OTT platform streams B: The Beginning?

B: The Beginning is streaming on Netflix and Netflix Standard in Mexico.

Is B: The Beginning on Netflix?

Yes — B: The Beginning is available on Netflix in Mexico as of August 2026.

Is B: The Beginning on Amazon Prime Video?

No, B: The Beginning isn't on Amazon Prime Video in Mexico right now. It's on Netflix and Netflix Standard instead.

Where can I watch B: The Beginning for free?

B: The Beginning is available on Netflix and Netflix Standard in Mexico, but you'll need an active subscription — there's no free option right now.

How many seasons are in B: The Beginning?

B: The Beginning has 2 seasons in total (18 episodes). The series concluded in 2021.

Are all episodes of B: The Beginning out yet?

Yes — all 18 episodes across 2 seasons of B: The Beginning are out and available to stream.

Is there a Season 3 of B: The Beginning?

No — B: The Beginning ended after 2 seasons, so there is no Season 3.