| Pokémon: Twilight Wings | January 15, 2020 | YouTube | 8 |
| Polar Bear Café | April 5, 2012 | — | 50 |
| Pole Princess!! | December 23, 2022 | — | — |
| Police in a Pod | January 5, 2022 | — | 13 |
| Pon no Michi | January 6, 2024 | — | 12 |
| Ponkotsu Quest: Maou to Haken no Mamono-tachi | August 22, 2013 | — | 84 |
| Pop Team Epic | January 7, 2018 | — | — |
| Popee the Performer | — | — | — |
| Popolocrois | October 4, 1998 | — | — |
| Popotan | July 18, 2003 | BS-TBS | 12 |
| Poppetstown | January 1, 2009 | — | 52 |
| Porphy no Nagai Tabi | January 6, 2008 | — | 52 |
| Possibly the Greatest Alchemist of All Time | January 8, 2025 | — | 12 |
| PostPet Momobin | July 4, 2004 | TBS Television | 24 |
| Potemayo | July 6, 2007 | — | 12 |
| Power of Hope: PreCure Full Bloom | October 7, 2023 | NHK Educational TV | 12 |
| Power Stone | April 3, 1999 | — | 26 |
| Powerpuff Girls Z | July 1, 2006 | TV Tokyo | 52 |
| Poyopoyo Kansatsu Nikki | January 8, 2012 | TV Tokyo | 52 |
| Precarious Woman Executive Miss Black General | June 5, 2017 | — | 10 |
| Pretty All Friends Selection | June 6, 2021 | — | 16 |
| Pretty Boy Detective Club | April 11, 2021 | — | 12 |
| Pretty Cure | February 1, 2004 | TV Asahi | 49 |
| Pretty Rhythm Rainbow Live | September 1, 2014 | TV Tokyo | — |
| Pretty Rhythm: All Star Selection | April 5, 2014 | — | 11 |
| Pretty Rhythm: Aurora Dream | April 2, 2011 | TV Tokyo | 51 |
| Pretty Rhythm: Dear My Future | April 9, 2011 | TV Tokyo | — |
| Prima Doll | July 9, 2022 | — | 12 |
| Prince Planet | June 3, 1965 | Fuji Television | — |
| Princess Connect! Re:Dive | April 7, 2020 | — | 25 |
| Princess Jellyfish | October 15, 2010 | — | 11 |
| Princess Knight | April 2, 1967 | Fuji Television | 52 |
| Princess Lover! | July 6, 2009 | — | — |
| Princess Lover! | — | — | — |
| Princess Nine | April 8, 1998 | NHK Satellite 2 Television | 26 |
| Princess Princess | April 5, 2006 | TV Asahi | 12 |
| Princess Principal | July 9, 2017 | — | — |
| Princess Principal: Crown Handler | — | — | — |
| Princess Resurrection | April 13, 2007 | — | 25 |
| Princess Resurrection | December 9, 2010 | — | 3 |
| Princess Sara | January 6, 1985 | — | 46 |
| Princess Tutu | August 16, 2002 | — | 26 |
| Princession Orchestra | April 6, 2025 | TV Tokyo | 48 |
| PriPara | July 5, 2014 | TX Network | 140 |
| PriPri Chi-chan!! | April 15, 2017 | — | 36 |
| Prison School | July 11, 2015 | Tokyo MX | 12 |
| Private Psycho Lesson | — | — | — |
| Private Tutor to the Duke's Daughter | July 5, 2025 | — | 12 |
| Pro Golfer Saru | April 2, 1985 | — | 153 |
| Problem Children Are Coming from Another World, Aren't They? | January 12, 2013 | Tokyo MX | 10 |
| Project 575 | — | — | — |
| Project ARMS | April 7, 2001 | TV Tokyo | 52 |
| Project Blue Earth SOS | July 2, 2006 | AT-X | 6 |
| Promise Me the Spotlight | — | — | — |
| Promise of Wizard | January 6, 2025 | — | 12 |
| Protocol: Rain | October 8, 2023 | — | 12 |
| Prétear | April 4, 2001 | WOWOW | 13 |
| Pseudo Harem | July 5, 2024 | — | 12 |
| Psychic Academy | March 29, 2002 | — | 24 |
| Psychic Detective Yakumo | October 3, 2010 | NHK Satellite 2 Television | 13 |