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B: The Beginning

Name: B: The Beginning
Genre: Action & Adventure, Animation, Drama, Crime, Mystery
Released: 2018-03-02
Rating: 7.6

Action & AdventureAnimationDramaCrimeMysterySci-Fi & Fantasy

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We checked 8 streaming services in India on 04 Jun 2026 at 14:40 IST

2018

2 Seasons

18 Episodes

Ended

TV-MA

About

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.

#detective#anti hero#secret organization#immortality#police#supernatural#revenge#brainwashing#massacre#dark fantasy#alternative present#anime#psychological#suspense

Cast

Asami Seto

as Lily Hoshina (voice)

Hiroaki Hirata

as Keith Kazama Flick (voice)

Yuki Kaji

as Kokuu (voice)

Seasons

Season 1

12 episodes2018

In a world powered by advanced technology, crime and action sweep through the archipelagic nation of cremona. Chief among the major players is “Killer B” — a serial killer who has thrown the city into chaos. The stories of Koku, the protagonist, Keith, a legendary investigator of the Royal Investigation Service, and a mysterious criminal organization intertwine on the path to reach their objectives.

Season 2 Succession

6 episodes2021

When Keith is abducted and a friend from Koku’s past resurfaces, Killer B returns and everyone is pulled into a conspiracy involving the crown.

Episodes

Season 1

See all 12episodes →

Episode 1

Mar 2, 201827m7.5

Keith rejoins the RIS just in time to work a brutal double murder involving "Killer B." Then an unknown group steals a military vehicle for a rampage.

Episode 2

Mar 2, 201825m7.7

The RIS investigates a death that appears to be linked to Killer B, though Keith disagrees. Another body leads them to stake out a high-powered party.

Episode 3

Mar 2, 201825m7.7

Kaela battles the hackers as the poison gas release ticks closer. Keith drags Boris on a chase outside the city, pursuing Koku and one of the gang.

Episode 4

Mar 2, 201825m7.7

Koku and Keith both pay visits to the Royal Library. Afterward, Lily heads to Keith's apartment to discuss her thoughts on the Killer B case.

Episode 5

Mar 2, 201826m7.7

The team members grapple with the attack on one of their own, and the fact that there must be a traitor on the inside. Koku realizes who Canopus is.

Episode 6

Mar 2, 201825m7.7

After confronting Keith on the roof of the hospital, Koku agrees to meet him at a temple the next day. Keith is declared a murder suspect.

Episode 7

Mar 2, 201826m7.7

Minatsuki gives the OK for the others to attack Koku, but Keith intervenes to protect him. The RIS receives an ultimatum.

Episode 8

Mar 2, 201827m7.7

Eric implores Keith to return to the RIS, then suspends Lily in an effort to track Keith down. Minatsuki sends Takeru after Koku.

Where does B: The Beginning rank today?

B: The Beginning is #831 on the CineFlixo Daily Streaming Charts today.

Highest: #831
Top 10: 0 days
Top 100: 0 days

Watch B: The Beginning Online Free — All Episodes in HD

Looking for a place to watch B: The Beginning online for free? You've landed on the right page. B: The Beginning is a well-rated Japonés action & adventure, animation, drama, crime, mystery, and sci-fi & fantasy series from 2018 that you can stream right now on CineFlixo in high quality, no signup required.

About 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. Across 2 seasons and 18 episodes, originally airing on Netflix.

B: The Beginning Cast and Characters

The cast features Asami Seto (as Lily Hoshina (voice)), Hiroaki Hirata (as Keith Kazama Flick (voice)), and Yuki Kaji (as Kokuu (voice)). Their performances are a major reason B: The Beginning has built such a passionate audience.

Where to Watch B: The Beginning Online

CineFlixo lets you stream B: The Beginning online free, instantly, in HD. There's nothing to install — open the page, hit play, done. Works perfectly on Jio, Airtel, Vi networks across India and on slow mobile data thanks to our adaptive video pipeline.

▶ Watch B: The Beginning Now

Why People Are Watching B: The Beginning

There's a reason B: The Beginning keeps showing up on "must-watch" lists. What makes it work is emotional weight that hits where it counts, action sequences that don't feel cheap, tight pacing that earns its twists, and world-building that respects the audience's intelligence. If you enjoy Japonés storytelling that doesn't follow the same tired beats, this is the kind of show you'll end up recommending to friends.

Frequently Asked Questions about B: The Beginning

Where can I watch B: The Beginning online for free?

You can watch B: The Beginning online free on CineFlixo. Just open the page and hit play — no signup, no subscription, full HD streaming on phone, tablet, or desktop.

How many episodes does B: The Beginning have?

B: The Beginning has 18 episodes across 2 seasons. All episodes are available to stream right here on CineFlixo.

Is B: The Beginning good? What's the rating?

B: The Beginning holds a 7.6/10 rating based on 181 reviews — well above average.

Who is in the cast of B: The Beginning?

The main cast includes Asami Seto, Hiroaki Hirata, and Yuki Kaji.

Is B: The Beginning available in Japonés?

Yes — B: The Beginning was originally produced in Japonés and that's the version you'll stream here on CineFlixo. English subtitles are provided when available.

When was B: The Beginning released?

B: The Beginning first aired in 2018.

Do I need an account to watch B: The Beginning on CineFlixo?

No. CineFlixo is free and you can watch B: The Beginning without creating an account. Sign-up is optional — only useful if you want a personal Watchlist or to comment on episodes.

Similar Series You Might Like

If you enjoyed B: The Beginning, check out Reckless, Wolfblood, Koitabi: True Tours Nanto, Bronk, and Armored Trooper VOTOMS.

Frequently Asked Questions

Where can I watch B: The Beginning for free?

You can watch B: The Beginning online for free on CineFlixo. All 18 episodes across 2 seasons are available to stream in HD without a subscription, signup, or paywall. Just open the show page and press play.

How many seasons and episodes does B: The Beginning have?

B: The Beginning currently has 2 seasons and a total of 18 episodes. The series status is "Ended", so the episode count may grow as new seasons are released. You can browse the full episode list on CineFlixo and continue watching from where you left off.

What is B: The Beginning about?

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. It belongs to the Action & Adventure, Animation, Drama, Crime, Mystery, Sci-Fi & Fantasy genres.

In which language is B: The Beginning originally available?

B: The Beginning was originally produced in JA. On CineFlixo the show is available in its original JA audio. Check the player options on the watch page for available subtitle tracks.

When was B: The Beginning first released?

B: The Beginning first premiered on March 2, 2018 (2018). The series has since concluded its run.