B – The Beginning

B: The Beginning
	Main visual
Genre	Psychological thriller; Science fiction; Suspense;
Created by	Kazuto Nakazawa; Production I.G;
Original net animation
Directed by	Kazuto Nakazawa; Yoshinobu Yamakawa;
Produced by	Rui Kuroki
Written by	Katsuya Ishida
Music by	Yoshihiro Ike
Studio	Production I.G
Licensed by	Netflix; AUS: Madman Entertainment; UK/NA: Anime Limited; ;
Released	March 2, 2018
Runtime	25–27 minutes
Episodes	12
Original net animation
B: Succession
Directed by	Kazuto Nakazawa; Itsuro Kawasaki;
Written by	Katsuya Ishida; Kazuto Nakazawa;
Music by	Yoshihiro Ike
Studio	Production I.G
Licensed by	Netflix UK/NA: Anime Limited; ;
Released	March 18, 2021
Runtime	23–25 minutes
Episodes	6

B: The Beginning (B: ザ・ビギニング, Bī: Za Beginingu) is an original net animation (ONA) series created by Production I.G and Kazuto Nakazawa. The series premiered on March 2, 2018, worldwide on Netflix.

A second season, titled B: Succession (B: サクセッション, Bī Sakusesshon), premiered on March 18, 2021.