| The Smoggies | September 2, 1989 | France 2, ICI Radio-Canada Télé | 52 |
| The Smokey Bear Show | September 6, 1969 | American Broadcasting Company | 17 |
| The Smurfs | September 12, 1981 | NBC | 256 |
| The Smurfs | November 12, 1961 | — | — |
| The Smurfs | April 18, 2021 | La Trois | 104 |
| The Snoopy Show | February 5, 2021 | Apple TV | — |
| The sofia's book | November 20, 2006 | Telecaribe | — |
| The Sound Collector | — | ITV, Rai Yoyo | — |
| The Space Kidettes | September 10, 1966 | NBC | 20 |
| The special adventures of Aladár Mézga | 1969 | Magyar Televízió | 13 |
| The Spectacular Spider-Man | March 8, 2008 | The CW | 26 |
| The Spooktacular New Adventures of Casper | February 24, 1996 | Fox Kids | 52 |
| The Spudragons | — | ICI Radio-Canada Télé | 1 |
| The Stellar Swordmaster | — | — | — |
| The Stinky & Dirty Show | January 15, 2015 | Amazon Prime Video | 39 |
| The Story Keepers | 1995 | — | 13 |
| The Strange Adventures of Koziolek Matolek | — | — | 26 |
| The Strange Chores | 2019 | — | 26 |
| The Super Hero Squad Show | September 14, 2009 | Cartoon Network | 52 |
| The Super Heroes of Nature | 2023 | — | 30 |
| The Super Mario Bros. Super Show! | September 4, 1989 | CBS | 52 |
| The Super Powers Team: Galactic Guardians | September 7, 1985 | American Broadcasting Company | 10 |
| The Sylvester & Tweety Mysteries | September 9, 1995 | The WB, Kids' WB | 52 |
| The Tales of Bolek and Lolek | — | Telewizja Polska | 13 |
| The Terrible Thunderlizards | November 20, 1993 | Fox Broadcasting Company | 36 |
| The Tex Avery Show | January 10, 1999 | Cartoon Network | 99 |
| The Three Friends and Jerry | February 10, 1998 | — | 39 |
| The Three Musketeers | September 7, 1968 | NBC | 18 |
| The Three-Body Problem | — | Bilibili | — |
| The Tick | September 10, 1994 | Fox Broadcasting Company, Fox Kids | 36 |
| The Tiny Chef Show | September 9, 2022 | Nickelodeon | — |
| The Tofus | September 6, 2004 | Jetix, Cartoon Network, France 3 | 26 |
| The Tom & Jerry Show | September 6, 1975 | American Broadcasting Company | 16 |
| The Tom and Jerry Comedy Show | September 6, 1980 | CBS | 15 |
| The Tom and Jerry Show | April 9, 2014 | Cartoon Network | 117 |
| The Tomfoolery Show | — | — | — |
| The Toothbrush Family | — | — | — |
| The Toy's House | — | China Central Television | — |
| The Transformers | September 17, 1984 | Broadcast syndication | 98 |
| The Trap Door | 1984 | ITV | 40 |
| The Travels of the Young Marco Polo | 2013 | — | 26 |
| The Treflik Family | June 1, 2016 | TVP ABC | 26 |
| The Tricky Band | 2018 | À Punt | 28 |
| The Triplets | 1995 | TV3 | 104 |
| The Twins of Destiny | November 13, 1991 | TF1, Australian Broadcasting Corporation | 52 |
| The Twisted Tales of Felix the Cat | September 16, 1995 | CBS | 21 |
| The Twisted Whiskers Show | October 10, 2010 | Discovery Family | 26 |
| The Ugly Duck and Me! | — | — | — |
| The Unstoppable Yellow Yeti | July 1, 2022 | Yle Areena | 50 |
| The Untouchables of Elliot Mouse | 1996 | Channel 4 | 26 |
| The Venture Bros. | February 16, 2003 | Adult Swim, Cartoon Network | 81 |
| The Wacky Adventures of Ronald McDonald | — | — | 6 |
| The Wacky World of Tex Avery | September 3, 1997 | M6 | 65 |
| The Wawies | December 20, 2024 | Clan | 26 |
| The Weekenders | February 26, 2000 | American Broadcasting Company, UPN, Toon Disney | 39 |
| The White Cowboy | — | VPRO | 31 |
| The Why Why Family | 1996 | Das Erste | 130 |
| The Wild Adventures of Blinky Bill | October 3, 2017 | 7Two | 52 |
| The Wild Thornberrys | September 1, 1998 | Nickelodeon | 91 |
| The Wind in the Willows | December 27, 1983 | ITV | 65 |