| Sym-Bionic Titan | September 17, 2010 | Cartoon Network | 20 |
| T.U.F.F. Puppy | October 2, 2010 | Nickelodeon | 60 |
| Tak and the Power of Juju | August 31, 2007 | Nickelodeon | 26 |
| Tales from the Cryptkeeper | September 18, 1993 | American Broadcasting Company | 39 |
| Tales of Metropolis | May 25, 2013 | Cartoon Network | 3 |
| Tales of the Jedi | October 26, 2022 | Disney+ | 6 |
| Tales of the Teenage Mutant Ninja Turtles | August 9, 2024 | Paramount+ | 24 |
| TaleSpin | September 9, 1990 | Disney Cinemagic | 65 |
| Talking Tom & Friends | December 24, 2014 | YouTube | 145 |
| Talking Tom & Friends Minis | March 3, 2016 | YouTube | 60 |
| Tarantula | — | — | 10 |
| Tarzan and the Super 7 | September 9, 1978 | CBS | 33 |
| Tarzan, Lord of the Jungle | September 11, 1976 | CBS | 36 |
| Tasty Time with ZeFronk | November 8, 2008 | Playhouse Disney, Disney Channel | 20 |
| Teacher's Pet | September 9, 2000 | American Broadcasting Company | 40 |
| 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 |
| Technolike | December 8, 2025 | Carousel | 26 |
| Ted: The Animated Series | December 17, 2026 | — | — |
| 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 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 |
| Ten Year Old Tom | — | — | — |
| Tender Touches | December 18, 2017 | Adult Swim | 5 |
| Tenko and the Guardians of the Magic | September 11, 1995 | Broadcast syndication | 13 |
| Tennessee Tuxedo and His Tales | September 28, 1963 | CBS | 75 |
| Terminator Salvation: The Machinima Series | May 18, 2009 | — | 6 |
| Terminator Zero | August 29, 2024 | Netflix | 8 |
| The 13 Ghosts of Scooby-Doo | September 7, 1985 | American Broadcasting Company | 13 |
| The 7D | July 7, 2014 | Disney XD | 44 |
| The Addams Family | September 12, 1992 | American Broadcasting Company | 21 |
| The Addams Family | September 8, 1973 | NBC | 16 |
| The Adventures of Batman | September 14, 1968 | CBS | 17 |
| The Adventures of Chico and Guapo | June 10, 2006 | — | 5 |
| The Adventures of Chuck and Friends | October 15, 2010 | Discovery Family | 39 |
| The Adventures of Digger and Friends | — | — | — |
| The Adventures of Don Coyote and Sancho Panda | September 16, 1990 | Broadcast syndication | 26 |
| The Adventures of Dynamo Duck | — | — | — |
| The Adventures of Flamehead | September 2000 | — | 13 |
| The Adventures of Gulliver | September 14, 1968 | American Broadcasting Company | 17 |
| The Adventures of Hyperman | October 14, 1995 | CBS | 13 |
| The Adventures of Jimmy Neutron, Boy Genius | July 20, 2002 | Nickelodeon | 64 |
| The Adventures of Kid Danger | January 15, 2018 | Nickelodeon | 12 |
| The Adventures of Puss in Boots | January 16, 2015 | Netflix | 78 |
| The Adventures of Raggedy Ann and Andy | September 17, 1988 | CBS | 13 |
| The Adventures of Rocky and Bullwinkle | May 11, 2018 | Amazon Prime Video | 13 |
| The Adventures of Sam & Max: Freelance Police | October 4, 1997 | Fox Kids, YTV | 13 |
| The Adventures of Spunky and Tadpole | September 6, 1958 | — | — |
| The Adventures of Super Mario Bros. 3 | September 8, 1990 | NBC | 26 |
| The Adventures of Superboy | September 10, 1966 | CBS | 34 |
| The Adventures of T-Rex | 1992 | Broadcast syndication | 52 |
| The Adventures of Teddy Ruxpin | December 25, 1986 | Broadcast syndication | 65 |
| The Adventures of the Crimson Chin and Cleft the Boy Chin Wonder | — | — | 6 |
| The Adventures of the Galaxy Rangers | September 14, 1986 | Broadcast syndication | 65 |
| The All-New Dennis the Menace | September 18, 1993 | CBS | 13 |