| #Kanagawa ni Sunderu Elf | December 4, 2025 | — | — |
| 'Tis Time for "Torture," Princess | January 9, 2024 | — | 12 |
| .hack//Legend of the Twilight | January 8, 2003 | TV Tokyo | 12 |
| A Channel | April 8, 2011 | TV Asahi | 12 |
| A Destructive God Sits Next to Me | January 11, 2020 | — | 12 |
| A Mangaka's Weirdly Wonderful Workplace | October 6, 2025 | — | 13 |
| A Ninja and an Assassin Under One Roof | April 10, 2025 | — | 12 |
| A Penguin's Troubles | April 5, 2008 | — | — |
| Acro Trip | October 2, 2024 | — | 12 |
| Adventures of the Little Koala | October 4, 1984 | — | 26 |
| African Office Worker | October 7, 2019 | — | 12 |
| Afro Samurai | January 4, 2007 | — | — |
| Ah My Buddha | July 1, 2005 | — | 24 |
| Aho-Girl | July 4, 2017 | — | 12 |
| Ai-Mai-Mi | January 3, 2013 | — | 13 |
| Ai-Mai-Mi: Mousou Catastrophe | July 8, 2014 | — | 12 |
| Ai-Mai-Mi: Surgical Friends | January 3, 2017 | — | 12 |
| Air Master | April 2, 2003 | — | 27 |
| Aishite Knight | March 1, 1983 | TV Asahi | 42 |
| Akahori Gedou Hour Rabuge | July 5, 2005 | — | 13 |
| AKB0048 | April 29, 2012 | — | 26 |
| Akiba-chan | July 25, 2008 | Kids Station | 10 |
| All Purpose Cultural Cat Girl Nuku Nuku | September 21, 1992 | — | — |
| All Purpose Cultural Cat Girl Nuku Nuku | January 7, 1998 | — | 12 |
| Alma-chan Wants to Be a Family! | October 5, 2025 | AT-X | 11 |
| And Yet The Town Moves | October 8, 2010 | — | 12 |
| Android Ana Maico 2010 | April 6, 1998 | WOWOW | 24 |
| Angel Densetsu | September 13, 1996 | — | 2 |
| Animal Yokochō | October 4, 2005 | TV Tokyo | 51 |
| Animated Classics of Japanese Literature | April 25, 1986 | — | 32 |
| Anime Shūkan DX! Mi-Pha-Pu | February 14, 1998 | TV Asahi | — |
| Anmitsu Hime | October 5, 1986 | — | 51 |
| Anne Happy | April 7, 2016 | — | 12 |
| Anoyo no Subete wa, Obake-gumi! | April 7, 2020 | Chiba Television Broadcasting | 34 |
| Anyamaru Tantei Kiruminzuu | October 5, 2009 | TV Tokyo | 50 |
| Arakawa Under the Bridge | April 4, 2010 | — | 26 |
| Aria the Animation | October 5, 2005 | — | 13 |
| Aria the Avvenire | — | — | 3 |
| Aria the Natural | April 2, 2006 | — | 26 |
| Aria the Origination | January 8, 2008 | — | 13 |
| Armed Girl's Machiavellism | April 5, 2017 | — | 12 |
| Aru Asa Dummy Head Mike ni Natteita Ore-kun no Jinsei | October 13, 2022 | — | 12 |
| As Miss Beelzebub Likes | October 11, 2018 | — | 12 |
| Asobi Asobase | July 8, 2018 | — | 12 |
| Astro Boy | April 6, 2003 | — | — |
| Astro Fighter Sunred | October 3, 2008 | — | 52 |
| Atashin'chi | April 19, 2002 | All-Nippon News Network | 330 |
| Ayane's High Kick | January 21, 1997 | — | — |
| Azumanga Daioh | April 8, 2002 | TV Tokyo | 26 |
| Azur Lane: The Animation | October 3, 2019 | — | — |
| Baban Baban Ban Vampire | January 11, 2025 | — | 12 |
| Baby Felix | October 8, 2000 | NHK Educational TV | 26 |
| Back Street Girls | July 4, 2018 | Nippon BS Broadcasting | 10 |
| 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 |
| Bakumatsu Gijinden Roman | January 7, 2013 | TV Tokyo | 12 |
| Bamboo Blade | October 2, 2007 | TV Tokyo | 26 |
| Barakamon | July 6, 2014 | — | 12 |
| Barbapapa Sekai o Mawaru | July 5, 1999 | — | 50 |