| Plastic Memories | April 5, 2015 | Tokyo MX, AT-X | 13 |
| Platinum End | October 8, 2021 | TBS Television | 24 |
| Platinumhugen Ordian | April 4, 2000 | WOWOW | 24 |
| Platonic Chain | October 4, 2002 | — | — |
| Plawres Sanshiro | June 5, 1983 | — | 37 |
| Play Ball | July 5, 2005 | — | 26 |
| Play It Cool, Guys | October 11, 2022 | — | — |
| Playing Death Games to Put Food on the Table | January 7, 2026 | — | 11 |
| Please Excuse My Younger Brothers | July 4, 2026 | — | — |
| Please Put Them On, Takamine-san | April 2, 2025 | — | 12 |
| Please Take My Brother Away! | March 28, 2017 | — | — |
| Please Teacher! | January 10, 2002 | WOWOW | 12 |
| Please Tell Me! Galko-chan | January 8, 2016 | — | 12 |
| Please Twins! | July 15, 2003 | WOWOW | 12 |
| Plunderer | January 8, 2020 | — | 24 |
| Plus-Sized Elf | July 7, 2024 | — | 12 |
| Plus-sized Misadventures in Love! | October 6, 2025 | — | 12 |
| Pluster World | April 3, 2003 | — | 52 |
| Pokonyan! | April 5, 1993 | NHK General TV | — |
| Pokémon | April 1, 1997 | TV Tokyo, TX Network | 1,115 |
| Pokémon | April 1, 1997 | TX Network | 276 |
| Pokémon Chronicles | December 3, 2002 | — | 15 |
| Pokémon Horizons: The Series | April 14, 2023 | TX Network | — |
| Pokémon Journeys: The Series | November 17, 2019 | TV Tokyo, TX Network | 147 |
| Pokémon Origins | October 2, 2013 | TV Tokyo | 4 |
| Pokémon the Series: Black & White | September 23, 2010 | TV Tokyo | — |
| Pokémon the Series: Diamond and Pearl | September 28, 2006 | TV Tokyo | 191 |
| Pokémon the Series: Gold and Silver | — | — | — |
| Pokémon the Series: Ruby and Sapphire | November 21, 2002 | TV Tokyo | 192 |
| Pokémon the Series: Sun & Moon | November 17, 2016 | TV Tokyo | 146 |
| Pokémon the Series: The Beginning | — | TV Tokyo | — |
| Pokémon the Series: XY | October 17, 2013 | TV Tokyo | — |
| Pokémon: Black & White: Adventures in Unova | October 11, 2012 | — | 25 |
| Pokémon: Black & White: Adventures in Unova and Beyond | April 25, 2013 | — | 20 |
| Polar Bear Café | April 5, 2012 | — | 50 |
| Police in a Pod | January 5, 2022 | — | 13 |
| Pon no Michi | January 6, 2024 | — | 12 |
| Pop Team Epic | January 7, 2018 | — | — |
| Popee the Performer | — | — | — |
| Popolocrois | October 4, 1998 | — | — |
| Popotan | July 18, 2003 | BS-TBS | 12 |
| 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 |
| 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 |