| Tank Chair | October 4, 2026 | — | — |
| Tank Knights Portriss | April 5, 2003 | TV Tokyo | 52 |
| Tanken Driland | July 7, 2012 | — | — |
| Tanken Driland: Sennen no Mahō | April 6, 2013 | — | — |
| Tanken Goblin Tō | April 2, 1990 | NHK Educational TV | 100 |
| Tanoshii Willow Town | 1993 | — | — |
| Tantei Opera Milky Holmes | October 7, 2010 | — | 48 |
| Tantei Shōnen Kageman | April 10, 2001 | NHK Educational TV | 39 |
| Tantei Team KZ Jiken Note | October 7, 2015 | — | — |
| Tanuki to Kitsune | February 9, 2018 | — | 18 |
| Tanuki to Kitsune | October 4, 2026 | — | — |
| Taotao | October 7, 1983 | TV Osaka, Katholieke Radio Omroep | 52 |
| Tara Duncan | June 27, 2010 | M6 | 26 |
| Tarantula | — | — | 10 |
| Tari Tari | July 1, 2012 | — | 13 |
| Taro the Space Alien | April 7, 2000 | TV Tokyo | — |
| Tarzan and the Super 7 | September 9, 1978 | CBS | 33 |
| Tarzan, Lord of the Jungle | September 11, 1976 | CBS | 36 |
| Tasokare Hotel | January 8, 2025 | — | 12 |
| Tasty Tales of the Food Truckers | — | — | — |
| Tasty Time with ZeFronk | November 8, 2008 | Playhouse Disney, Disney Channel | 20 |
| Tasuke, the Samurai Cop | October 19, 1990 | — | 22 |
| Tasūketsu | July 3, 2024 | — | 24 |
| Tata & Kuma | — | EBS 1TV | — |
| Tatakae! Osper | December 14, 1965 | Nippon Television | 53 |
| Tatakae!! Ramenman | January 10, 1988 | — | 35 |
| Tatakau Shisho | October 2, 2009 | — | — |
| Tatami Time Machine Blues | September 14, 2022 | — | — |
| Tatsuki Fujimoto 17–26 | — | — | 8 |
| Tattletoons | February 4, 2001 | VPRO | 13 |
| Tattoon Master | April 26, 1996 | — | 2 |
| Tayo the Little Bus | 2010 | Korea Educational Broadcasting System, Netflix, Hulu, Disney Junior, Disney Junior, Tlum HD | 78 |
| Tayutama: Kiss on my Deity | April 5, 2009 | — | 12 |
| Taz-Mania | September 7, 1991 | Fox Broadcasting Company | 87 |
| Tea Tea Cherry | — | KBS 2TV | — |
| Teacher's Pet | September 9, 2000 | American Broadcasting Company | 40 |
| Team Galaxy | August 26, 2006 | France 3 | 52 |
| Team Umizoomi | January 25, 2010 | Nickelodeon, Nick Jr. Channel | 80 |
| Team Zenko Go | March 15, 2022 | Netflix | 12 |
| Teamo Supremo | January 20, 2002 | American Broadcasting Company | 39 |
| Tear Along the Dotted Line | — | Netflix | 6 |
| Tearmoon Empire | October 8, 2023 | — | 12 |
| Tears to Tiara | April 6, 2009 | — | 26 |
| Teasing Master Takagi-san | January 8, 2018 | Tokyo MX | 36 |
| Technolike | December 8, 2025 | Carousel | 26 |
| Technoroid Overmind | January 5, 2023 | — | 12 |
| Ted & Ed | September 23, 2004 | VPRO | 19 |
| Ted Sieger's Wildlife | — | — | — |
| Ted: The Animated Series | December 17, 2026 | — | — |
| Teddy Blue Eyes | October 19, 2010 | Cartoon Network | — |
| Teekyu | October 7, 2012 | — | — |
| Teen Days | January 26, 2010 | Rai 2, Rai Gulp | 52 |
| Teen Titans | July 19, 2003 | Cartoon Network | 65 |
| Teen Titans Go! | April 23, 2013 | Cartoon Network | 441 |
| Teen Wolf | September 13, 1986 | CBS | 21 |
| Teenage Euthanasia | September 6, 2021 | Adult Swim, Cartoon Network | — |
| Teenage Mercenary | 2027 | — | — |
| Teenage Mutant Ninja Turtles | February 1, 2003 | 4Kids TV | 155 |
| Teenage Mutant Ninja Turtles | December 14, 1987 | CBS | 193 |
| Teenage Mutant Ninja Turtles | September 28, 2012 | Nicktoons, Nickelodeon | 124 |