| Titch | September 26, 1997 | ITV | 39 |
| Titeuf | April 4, 2001 | Canal J | — |
| Titipo Titipo | January 1, 2018 | EBS 1TV | — |
| To Be Hero | October 5, 2016 | TV Tokyo, Bilibili | 12 |
| TO BE HERO X | April 5, 2025 | Bilibili | — |
| To Be Heroine | — | — | — |
| To trøtte typer | 2000 | — | — |
| Toad Patrol | October 2, 1999 | Cartoon Network | 26 |
| Tobot | March 2010 | — | 392 |
| Toby's Travelling Circus | September 15, 2012 | — | 52 |
| Todd McFarlane's Spawn | May 16, 1997 | HBO | 18 |
| Tofffsy | — | — | 26 |
| Toldi | 2021 | Duna | — |
| Tom & Jerry Kids | September 8, 1990 | Fox Broadcasting Company | 65 |
| Tom and Jerry in New York | July 1, 2021 | HBO Max | 52 |
| Tom and Jerry Special Shorts | February 20, 2021 | HBO Max | — |
| Tom and Jerry Tales | September 23, 2006 | Kids' WB | 26 |
| Tom Goes to the Mayor | November 14, 2004 | Adult Swim, Cartoon Network | 31 |
| Tom Terrific | 1957 | — | 26 |
| Tomato Twins | November 26, 2002 | Nickelodeon, TVB Pearl, Kids Central | — |
| Tomb of Fallen Gods | — | — | — |
| Tomb Raider King | July 2026 | Fuji Television, ANIPLUS | — |
| Tomb Raider: The Legend of Lara Croft | October 10, 2024 | Netflix | 16 |
| Tommy The Little Dragon | 2017 | Carousel, Mult | 52 |
| Tommy Zoom | — | CBeebies | — |
| Tondar | — | — | 80 |
| Tooned | July 8, 2012 | Sky Sports F1 | 20 |
| ToonHeads | October 2, 1992 | Cartoon Network | 82 |
| Toonimals | 2000 | Clan | 26 |
| Tooning Out the News | April 7, 2020 | Paramount+ | — |
| ToonMarty | May 1, 2017 | Cartoon Network | 20 |
| Toonsylvania | February 7, 1998 | Fox Broadcasting Company | 21 |
| Toony Tube | September 21, 2018 | Cartoon Network | — |
| Toot & Puddle | November 16, 2008 | Nick Jr. Channel | 52 |
| Tooter Turtle | October 15, 1960 | — | 39 |
| Top Cat | September 27, 1961 | American Broadcasting Company | 30 |
| Top Wing | November 6, 2017 | Nickelodeon | 52 |
| Topo Gigio | October 5, 2020 | — | — |
| Tortellini Western | June 20, 2004 | Nicktoons | — |
| Total Drama | July 8, 2007 | Télétoon | 120 |
| Total Drama Island | July 8, 2007 | Cartoon Network | 27 |
| Total Drama Presents: The Ridonculous Race | September 7, 2015 | Cartoon Network, Cartoon Network | 26 |
| Total DramaRama | September 1, 2018 | Cartoon Network, Pop Max | 152 |
| Totally Spies! | November 3, 2001 | TF1, Freeform, Gulli, Télétoon, Cartoon Network, Cartoon Network | 208 |
| Totally Tooned In | December 4, 1999 | — | 65 |
| Toto Trouble | — | — | — |
| Tottie: The Story of a Doll's House | — | — | 10 |
| Touché Turtle and Dum Dum | September 3, 1962 | Broadcast syndication | 52 |
| Toxic Crusaders | 1990 | Fox Broadcasting Company | 13 |
| Traces | — | PTS Channel | 13 |
| Tracey McBean | February 18, 2002 | ABC Kids | 78 |
| Track Rats | June 14, 2010 | Cartoon Network | — |
| Tractor Tom | February 9, 2002 | CITV | 52 |
| Trailer Park Boys: The Animated Series | March 31, 2019 | Netflix | 10 |
| Trains: The Animated Series | October 22, 2012 | — | 130 |
| Transcend Evolution | — | — | — |
| Transformers 2010 | — | — | — |
| Transformers: Animated | December 26, 2007 | Cartoon Network | 42 |
| Transformers: BotBots | March 25, 2022 | Netflix | 10 |
| Transformers: Cyberverse | September 1, 2018 | Cartoon Network | 62 |