| Phantom: Requiem for the Phantom | April 2, 2009 | — | — |
| Phantom: The Animation | February 27, 2004 | — | 3 |
| Phanton Thief Reinya | January 9, 2010 | — | 12 |
| Phi Brain: Puzzle of God | October 2, 2011 | NHK Educational TV | 75 |
| Phoenix | April 4, 2004 | NHK General TV | 13 |
| Photo Kano | April 5, 2013 | — | 13 |
| Pi Po Pa Po Patrol-kun | December 4, 2000 | — | 65 |
| Piano: The Melody of a Young Girl's Heart | November 11, 2002 | Kids Station | 10 |
| Piccolino no Bōken | April 27, 1976 | TV Asahi | 52 |
| Pikaia! | April 29, 2015 | NHK Educational TV | 13 |
| Pikotaro's Lullaby La La By | August 2, 2017 | — | — |
| Pinch to Punch | September 29, 1969 | Fuji Television | 156 |
| Ping Pong the Animation | April 11, 2014 | Fuji Television | — |
| Pingu in the City | October 7, 2017 | NHK Educational TV | 26 |
| Pink Lady Monogatari: Eikō no Tenshitachi | October 24, 1978 | TV Tokyo | 35 |
| Pino & Shinoby | February 10, 2026 | Rai Yoyo, Yomiuri Telecasting Corporation | 26 |
| Pinocchio: The Series | January 4, 1972 | — | 52 |
| Pita-Ten | April 7, 2002 | TV Tokyo | 26 |
| Place to Place | April 5, 2012 | TBS Television | 12 |
| Planet With | July 8, 2018 | — | 12 |
| Planetes | October 4, 2003 | NHK Satellite 2 Television | 26 |
| 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 Save My Earth | December 17, 1993 | — | 6 |
| 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 |
| Pluto | October 26, 2023 | Netflix | 8 |
| 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 Evolutions | September 9, 2021 | — | — |
| Pokémon Generations | September 16, 2016 | — | — |
| 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 |
| Pokémon: Paldean Winds | — | — | — |