| Brynhildr in the Darkness | April 6, 2014 | — | 13 |
| Btooom! | October 4, 2012 | — | 12 |
| Bubblegum Crash | May 25, 1991 | — | 3 |
| Bubblegum Crisis Tokyo 2040 | October 8, 1998 | — | — |
| Bubu Chacha | April 29, 1999 | NHK Satellite 2 Television | 52 |
| Bucchigiri | October 27, 1989 | — | 4 |
| Bucchigiri?! | January 13, 2024 | — | 12 |
| Buddy Complex | December 29, 2013 | — | — |
| Buddy Daddies | January 7, 2023 | — | 12 |
| Bug tte Honey | October 3, 1986 | — | — |
| Build Divide | October 10, 2021 | — | 24 |
| Bullbuster | October 4, 2023 | — | 12 |
| Bullet/Bullet | July 16, 2025 | — | — |
| Bumpety Boo | April 8, 1985 | NHK General TV | 130 |
| Bungo and Alchemist: Gears of Judgement | April 3, 2020 | — | 13 |
| Bungo Stray Dogs | April 7, 2016 | — | — |
| Bunny Drop | July 7, 2011 | Fuji Television | 11 |
| Burn-Up Excess | December 12, 1997 | DirecTV Japan | 13 |
| Burn-Up Scramble | January 12, 2004 | — | — |
| Burn-Up W | — | — | — |
| Burning Kabaddi | April 3, 2021 | TV Tokyo | 12 |
| Burst Angel | April 6, 2004 | Animax | 24 |
| Burst Ball Barrage!! Super B-Daman | January 4, 1999 | — | 18 |
| Bus Gamer | March 14, 2008 | — | 3 |
| Buso Renkin | October 5, 2006 | TV Tokyo | 26 |
| Busou Shinki | October 4, 2012 | — | 13 |
| Busou Shinki: Moon Angel | September 7, 2011 | — | 10 |
| Butareba: The Story of a Man Turned into a Pig | October 8, 2023 | — | 12 |
| Butlers: Chitose Momotose Monogatari | April 12, 2018 | — | — |
| Butt Detective | May 3, 2018 | NHK Educational TV | — |
| Button Nose | October 19, 1985 | — | — |
| Buzzer Beater | February 5, 2005 | — | 26 |
| By the Grace of the Gods | October 4, 2020 | — | 24 |
| Bye Bye, Earth | July 12, 2024 | WOWOW | 20 |
| Bōken Korobokkuru | October 6, 1973 | Yomiuri Telecasting Corporation | 26 |
| Bōken Shōnen Shadar | September 18, 1967 | Nippon Television | — |
| Bōken Tairiku Ania Kingdom | April 2, 2023 | TV Tokyo | — |
| Bōkensha: The Man Was from Spain | November 28, 1992 | — | 26 |
| C | April 15, 2011 | — | 11 |
| Cagaster of an Insect Cage | February 6, 2020 | Netflix | — |
| Caligula | April 8, 2018 | Tokyo MX | 12 |
| Calimero | October 15, 1974 | TV Asahi | 99 |
| Calimero | — | — | — |
| Call of the Night | July 8, 2022 | — | 13 |
| Campfire Cooking in Another World with My Absurd Skill | January 11, 2023 | — | 12 |
| Campione! | July 6, 2012 | — | 13 |
| Can a Boy-Girl Friendship Survive? | April 4, 2025 | — | 12 |
| Canaan | July 4, 2009 | — | 13 |
| Candy Boy | — | — | — |
| Candy Candy | October 1, 1976 | — | 115 |
| Cannon Busters | August 15, 2019 | Netflix | 12 |
| Canvas 2: Niji-iro no Sketch | October 2, 2005 | — | 24 |
| Cap Revolution Bottleman DX | April 3, 2022 | — | 51 |
| Capeta | October 4, 2005 | — | 52 |
| Captain | January 10, 1983 | — | 26 |
| Captain Earth | April 5, 2014 | — | 25 |
| Captain Future | November 7, 1978 | NHK General TV | — |
| Captain Kuppa | August 13, 2001 | NHK Satellite 2 Television | 26 |
| Captain Tsubasa | October 13, 1983 | TV Tokyo | 128 |
| Captain Tsubasa | April 2, 2018 | — | 91 |