| The Mystic Archives of Dantalian | July 16, 2011 | — | 12 |
| The Mythical Detective Loki Ragnarok | April 5, 2003 | TV Tokyo | 26 |
| The New Adventures of Gigantor | October 3, 1980 | Nippon Television | 51 |
| The New Adventures of Kimba The White Lion | October 12, 1989 | TV Tokyo | — |
| The New Gate | April 14, 2024 | — | 12 |
| The Oblivious Saint Can't Contain Her Power | June 30, 2026 | — | 12 |
| The Ogre's Bride | July 5, 2026 | — | 12 |
| The One Piece | February 2027 | — | — |
| The Ones Within | July 7, 2019 | — | 12 |
| The Ossan Newbie Adventurer | July 2, 2024 | — | 12 |
| The Other World's Books Depend on the Bean Counter | January 6, 2026 | — | 12 |
| The Otome Heroine's Fight for Survival | July 2027 | — | — |
| The Pet Girl of Sakurasou | October 9, 2012 | — | 24 |
| The Pilot's Love Song | January 6, 2014 | — | 13 |
| The Ping-Pong Club | April 6, 1995 | TBS Television | 26 |
| The Price of Smiles | January 4, 2019 | Tokyo MX, WOWOW, Yomiuri Telecasting Corporation | 12 |
| The Prince of Tennis | October 10, 2001 | TV Tokyo | 178 |
| The Prince of Tennis II | January 4, 2012 | — | — |
| The Promised Neverland | January 11, 2019 | — | 23 |
| The Quintessential Quintuplets | January 10, 2019 | TBS Television | 24 |
| The Qwaser of Stigmata | January 10, 2010 | — | 36 |
| The Ramparts of Ice | April 2, 2026 | — | 14 |
| The Record of a Fallen Vampire | 2027 | — | — |
| The Red Ranger Becomes an Adventurer in Another World | January 12, 2025 | — | 12 |
| The Reflection | July 22, 2017 | — | 12 |
| The Reincarnation of the Strongest Exorcist in Another World | January 7, 2023 | — | 13 |
| The Remarried Empress | 2027 | — | — |
| The Rising of the Shield Hero | January 9, 2019 | AT-X | 62 |
| The Rolling Girls | January 10, 2015 | — | 12 |
| The Rose of Versailles | October 10, 1979 | Nippon Television | 40 |
| The Royal Tutor | April 4, 2017 | — | 12 |
| The Ryuo's Work is Never Done! | January 8, 2018 | Tokyo MX | 12 |
| The Sacred Blacksmith | December 19, 2009 | AT-X | 12 |
| The Sado Life of Rosé the Witch | — | — | — |
| The Saga of Tanya the Evil | January 6, 2017 | — | 12 |
| The Saint's Magic Power Is Omnipotent | April 6, 2021 | — | 24 |
| The Seven Deadly Sins | October 5, 2014 | — | 100 |
| The Seven Heavenly Virtues | January 26, 2018 | — | 10 |
| The Seven Knights of the Marronnier Kingdom | October 3, 2026 | NHK Educational TV | — |
| The Severing Crime Edge | April 4, 2013 | — | 13 |
| The Share House's Secret Rule | January 5, 2025 | — | 8 |
| The Shiunji Family Children | April 8, 2025 | — | 12 |
| The Shy Hero and the Assassin Princesses | July 5, 2025 | — | 12 |
| The Silver Guardian | April 1, 2017 | — | — |
| The Skull Dragon's Precious Daughter | 2027 | — | — |
| The Skull Man | April 28, 2007 | — | 13 |
| The Slime Diaries: That Time I Got Reincarnated as a Slime | April 6, 2021 | — | 12 |
| The Snow Queen | May 22, 2005 | NHK General TV | 36 |
| The Song of Tentomushi | October 6, 1974 | — | 104 |
| The SoulTaker | April 4, 2001 | WOWOW | 13 |
| The Stories of Girls Who Couldn't Be Magicians | October 5, 2024 | — | 12 |
| The Story of Perrine | January 1, 1978 | Fuji Television | 53 |
| The Story of Pollyanna, Girl of Love | January 12, 1986 | Fuji Television | 51 |
| The Story of Saiunkoku | April 8, 2006 | NHK Satellite 2 Television | 78 |
| The Strongest Job is Apparently Not a Hero or a Sage, but an Appraiser (Provisional)! | April 5, 2026 | — | 12 |
| The Strongest Magician in the Demon Lord's Army Was a Human | July 3, 2024 | — | 12 |
| The Strongest Man, Born from Misfortune | 2027 | — | — |
| The Strongest Sage With the Weakest Crest | January 8, 2022 | — | 12 |
| The Strongest Tank's Labyrinth Raids | January 7, 2024 | — | 12 |
| The Summer Hikaru Died | July 5, 2025 | Netflix | 12 |