| Azur Lane: Slow Ahead! | January 12, 2021 | — | 24 |
| Azur Lane: The Animation | October 3, 2019 | — | — |
| B Gata H Kei | April 2, 2010 | — | 12 |
| B'T X | April 6, 1996 | — | 39 |
| B-Daman Crossfire | October 2, 2011 | — | — |
| B-Daman Fireblast | October 7, 2012 | — | 52 |
| B-Project | July 3, 2016 | — | 36 |
| B.B. Burning Blood | April 25, 1990 | — | 3 |
| B: the Beginning | March 2, 2018 | Netflix | — |
| Baban Baban Ban Vampire | January 11, 2025 | — | 12 |
| Babel II | January 1, 1973 | TV Tokyo | 39 |
| Babel II | March 21, 1992 | — | 4 |
| Babel II: Beyond Infinity | October 6, 2001 | — | 13 |
| Baby & Me | July 11, 1996 | TV Tokyo | 35 |
| Baby Felix | October 8, 2000 | NHK Educational TV | 26 |
| Baby Steps | April 6, 2014 | NHK Educational TV | 50 |
| Babylon | October 6, 2019 | — | 12 |
| Baccano! | July 26, 2007 | Toku | 16 |
| Back Arrow | January 9, 2021 | — | 24 |
| Back Street Girls | July 4, 2018 | Nippon BS Broadcasting | 10 |
| Backflip!! | April 9, 2021 | Fuji Television | 12 |
| Backstabbed in a Backwater Dungeon | October 3, 2025 | — | 12 |
| Bad Boys | September 25, 1993 | — | 5 |
| Bad Girl | July 6, 2025 | — | 12 |
| Baka and Test | January 7, 2010 | TV Tokyo | 26 |
| Baka to Test to Shōkanjū: Matsuri | February 23, 2011 | — | 2 |
| Baki | June 25, 2018 | — | 39 |
| Baki Gaiden: Retsu Kaiō wa Isekai Tensei Shitemo Ikkō ni Kamawan | — | — | — |
| Baki the Grappler | January 8, 2001 | TV Tokyo | 48 |
| Baki-Dou: The Invincible Samurai | February 26, 2026 | — | 25 |
| Baku Tech! Bakugan | April 7, 2012 | — | 90 |
| Bakugan Battle Brawlers | April 5, 2007 | TV Tokyo | 189 |
| Bakugan Battle Brawlers: New Vestroia | April 5, 2007 | — | 52 |
| Bakugan: Battle Planet | December 23, 2018 | — | — |
| Bakugan: Gundalian Invaders | April 5, 2007 | — | — |
| Bakuhatsu Gorō | April 3, 1970 | — | 26 |
| Bakuman | October 2, 2010 | NHK Educational TV | 75 |
| Bakumatsu | October 4, 2018 | — | 24 |
| Bakumatsu Gijinden Roman | January 7, 2013 | TV Tokyo | 12 |
| Bakuon!! | April 5, 2016 | — | 12 |
| Bakusō Kyōdai Let's & Go!! | January 8, 1996 | TV Tokyo | 153 |
| BakéGyamon | April 3, 2006 | TV Tokyo | 51 |
| Balatack | July 3, 1977 | TV Asahi | 31 |
| Baldr Force EXE | — | — | — |
| Ballad of a Shinigami | March 3, 2006 | WOWOW | 6 |
| Bamboo Blade | October 2, 2007 | TV Tokyo | 26 |
| Banana Fish | July 5, 2018 | — | 24 |
| Bananya | July 4, 2016 | — | 39 |
| BanG Dream! | January 21, 2017 | — | — |
| BanG Dream! | January 21, 2017 | Tokyo MX | — |
| BanG Dream! Ave Mujica | January 2, 2025 | — | 13 |
| BanG Dream! It's MyGO!!!!! | June 29, 2023 | — | 13 |
| BanG Dream! MyGO!!!!! // Ave Mujica | January 2027 | — | — |
| BanG Dream! Yume∞Mita | July 2, 2026 | — | 13 |
| Banished from the Heroes' Party | October 6, 2021 | — | 25 |
| Banner of the Stars | 2000 | — | — |
| Bannertail: The Story of Gray Squirrel | April 7, 1979 | TV Asahi | 26 |
| Barakamon | July 6, 2014 | — | 12 |
| Barbapapa | December 15, 1974 | — | 45 |
| Barbapapa Sekai o Mawaru | July 5, 1999 | — | 50 |