| Toppuku Kyōsōkyoku | June 28, 1996 | — | 2 |
| Tora to Mike | August 4, 2021 | — | — |
| Toradora! | October 2, 2008 | TV Tokyo | 25 |
| Toriko | April 3, 2011 | — | 147 |
| Totsugeki! Pappara-tai | October 3, 1998 | TV Tokyo | 25 |
| Tottemo! Luckyman | April 6, 1994 | TV Tokyo | 50 |
| Touch | March 24, 1985 | Fuji Television | 101 |
| Tougen Anki | July 11, 2025 | — | — |
| Touken Ranbu: Hanamaru | October 3, 2016 | — | 24 |
| Touring After the Apocalypse | October 4, 2025 | — | 12 |
| Towa no Quon | — | — | — |
| Toward the Terra | April 7, 2007 | — | 24 |
| Tower of God | April 2, 2020 | — | 39 |
| Train to the End of the World | April 1, 2024 | — | 12 |
| Transformers: Armada | August 23, 2002 | TX Network | 52 |
| Transformers: Cybertron | July 2, 2005 | Cartoon Network, TV Aichi | 52 |
| Transformers: Energon | January 31, 2004 | TV Tokyo | 52 |
| Transformers: Robots in Disguise | April 5, 2000 | TV Tokyo | 39 |
| Transformers: Super-God Masterforce | April 12, 1988 | Nippon Television | 42 |
| Transformers: The Headmasters | July 3, 1987 | — | 35 |
| Transformers: Victory | March 14, 1989 | Nippon Television | 32 |
| Transformers: War for Cybertron Trilogy | July 30, 2020 | Netflix | 18 |
| Trapp Family Story | January 13, 1991 | — | 40 |
| Trapped in a Dating Sim: The World of Otome Games is Tough for Mobs | April 3, 2022 | — | 12 |
| Treasure Island | October 8, 1978 | Nippon Television Network System | 26 |
| Triage X | April 8, 2015 | — | 10 |
| Triangle Heart: Sazanami Joshiryō | August 28, 2000 | — | 5 |
| Triangle Heart: Sweet Songs Forever | July 24, 2003 | — | 4 |
| Tribe Cool Crew | September 28, 2014 | — | 50 |
| Tribe Nine | January 10, 2022 | — | 12 |
| Trickster | October 4, 2016 | — | 24 |
| Trigun | April 1, 1998 | TV Tokyo | 26 |
| Trigun Stampede | January 7, 2023 | — | — |
| Trigun Stargaze | January 10, 2026 | — | 12 |
| Trillion Game | October 3, 2024 | — | — |
| Trinity Blood | April 28, 2005 | WOWOW | 24 |
| Trinity Seven | October 8, 2014 | — | 12 |
| Triton of the Sea | April 1, 1972 | TV Asahi | 27 |
| Tropical-Rouge! Pretty Cure | February 28, 2021 | TV Asahi | 46 |
| Trouble Chocolate | October 8, 1999 | — | 20 |
| True Tears | January 6, 2008 | — | 13 |
| Try Knights | July 30, 2019 | — | 12 |
| Tsubasa to Hotaru | March 6, 2015 | — | 7 |
| Tsubasa: Reservoir Chronicle | April 9, 2005 | NHK Educational TV | 52 |
| Tsubasa: Shunraiki | March 17, 2009 | — | 2 |
| Tsubasa: Tokyo Revelations | November 16, 2007 | — | 3 |
| Tsugumi Project | — | — | — |
| Tsugumomo | April 3, 2017 | — | 12 |
| Tsuide ni Tonchinkan | October 10, 1987 | Fuji Television | 43 |
| Tsuihō Sareta Shōnin wa Kin no Chikara de Sekai o Sukū | — | — | — |
| Tsuki ga Kirei | April 6, 2017 | — | 12 |
| Tsuki wa Higashi ni Hi wa Nishi ni | June 30, 2004 | — | 13 |
| Tsukihime, Lunar Legend | October 10, 2003 | — | 12 |
| Tsukimichi: Moonlit Fantasy | July 7, 2021 | Tokyo MX | 37 |
| Tsukipro the Animation | October 4, 2017 | — | — |
| Tsukumogami Kashimasu | July 22, 2018 | NHK General TV | 12 |
| Tsukuyomi: Moon Phase | October 4, 2004 | TV Tokyo, TV Osaka | 25 |
| TsumaSho | October 6, 2024 | — | 12 |
| Tsuredure Children | July 4, 2017 | — | 12 |
| Tsuribaka Nisshi | November 2, 2002 | TV Asahi | 36 |