| Between the Sky and Sea | October 4, 2018 | — | 12 |
| Beyblade | January 8, 2001 | TV Tokyo | — |
| Beyblade Burst | April 4, 2016 | TX Network | — |
| Beyblade Burst Rise | — | — | — |
| Beyblade X | May 15, 2023 | TX Network | 60 |
| Beyblade: Metal Fusion | April 5, 2009 | — | 103 |
| Beyblade: Shogun Steel | April 8, 2012 | — | 45 |
| Beyond the Boundary | October 2, 2013 | — | 12 |
| Beyond the Boundary: I'll Be Here | — | — | — |
| BeyWarriors | — | — | 52 |
| BeyWheelz | August 11, 2012 | — | — |
| Bible Black | — | — | — |
| Bibliophile Princess | October 6, 2022 | — | 12 |
| Big Order | April 16, 2016 | — | 10 |
| Big Windup! | April 12, 2007 | TBS Television | — |
| Big X | August 3, 1964 | — | 59 |
| Bijukubo | July 9, 2010 | — | 2 |
| Bikkuriman | May 17, 1992 | — | — |
| Bikkuriman 2000 | November 1, 1999 | TV Tokyo | 68 |
| Binan Kōkō Chikyū Bōei-bu Haikara! | July 7, 2025 | — | — |
| Binbō Shimai Monogatari | June 29, 2006 | — | 10 |
| Birdie Wing: Golf Girls' Story | April 6, 2022 | — | — |
| Birdy the Mighty | July 25, 1996 | — | 4 |
| Birdy the Mighty: Decode | July 5, 2008 | — | 25 |
| Bismark | October 7, 1984 | — | 51 |
| Bite Me! Chameleon | August 16, 1992 | — | 6 |
| Black Blood Brothers | September 8, 2006 | — | 12 |
| Black Bullet | April 8, 2014 | — | 13 |
| Black Butler | October 3, 2008 | MBS | 70 |
| Black Cat | October 6, 2005 | — | 23 |
| Black Channel | — | — | — |
| Black Clover | October 3, 2017 | Cartoon Network, TX Network | 170 |
| Black Heaven | July 8, 1999 | WOWOW | 13 |
| Black Jack | October 11, 2004 | — | 61 |
| Black Jack | December 21, 1993 | — | 12 |
| Black Jack 21 | April 10, 2006 | — | 17 |
| Black Lagoon | April 8, 2006 | — | 29 |
| Black Rock Shooter | February 2, 2012 | — | 8 |
| Black Rock Shooter: Dawn Fall | April 3, 2022 | — | 9 |
| Black Summoner | July 9, 2022 | — | 12 |
| Black Torch | July 4, 2026 | — | 12 |
| Blade | July 1, 2011 | Animax | 12 |
| Blade & Soul | April 3, 2014 | — | 13 |
| Blade of the Immortal | October 10, 2019 | — | 24 |
| Blade of the Immortal | July 14, 2008 | AT-X | 13 |
| Blade Runner: Black Lotus | — | — | — |
| Bladedance of Elementalers | July 14, 2014 | — | 12 |
| Blame! | — | — | 6 |
| Blassreiter | April 5, 2008 | — | 24 |
| Blast of Tempest | October 5, 2012 | — | 24 |
| BlazBlue Alter Memory | October 8, 2013 | — | 12 |
| Bleach | October 5, 2004 | TV Tokyo | 406 |
| Bleach: Thousand-Year Blood War | October 11, 2022 | TV Tokyo | 13 |
| Blend S | October 8, 2017 | Tokyo MX, AT-X, Nippon BS Broadcasting, Kansai Telecasting Corporation, TV Aichi | 12 |
| Bless | January 2027 | — | — |
| Blocker Gundan 4 Machine Blaster | July 5, 1976 | Fuji Television | 38 |
| Blood Blockade Battlefront | April 5, 2015 | — | 26 |
| Blood Lad | 2013 | — | 10 |
| Blood Royal | August 30, 2002 | — | 2 |
| Blood+ | October 8, 2005 | — | 50 |