| Top Wing | November 6, 2017 | Nickelodeon | 52 |
| Totally Spies! | November 3, 2001 | TF1, Freeform, Gulli, Télétoon, Cartoon Network, Cartoon Network | 208 |
| Traces | — | PTS Channel | 13 |
| Transformers: BotBots | March 25, 2022 | Netflix | 10 |
| Transformers: Rescue Bots | December 17, 2011 | Discovery Family | 104 |
| Trollhunters: Tales of Arcadia | December 23, 2016 | Netflix | 52 |
| Trollz | October 3, 2005 | TFOU | 27 |
| True and the Rainbow Kingdom | August 11, 2017 | Netflix | 37 |
| Tuiga | 2019 | — | 12 |
| Tupu | April 11, 2005 | ZDF, France 3, Disney Channel, Super Écran | 26 |
| Turning Mecard R | — | — | — |
| Turu and the Wackies | September 12, 2022 | — | — |
| Twilight of the Gods | September 19, 2024 | — | 8 |
| Ultimate Spider-Man | April 1, 2012 | Disney XD | 104 |
| Uncle Grandpa | September 2, 2013 | Cartoon Network | 156 |
| Underdog | October 3, 1964 | NBC, CBS | 124 |
| Unicorn Academy | November 2, 2023 | — | — |
| Unikitty! | October 27, 2017 | Cartoon Network | 104 |
| Valley of the Dinosaurs | September 7, 1974 | CBS | 16 |
| Vic the Viking | July 4, 2013 | Network 10 | 78 |
| Victor and Valentino | March 30, 2019 | Cartoon Network | 68 |
| Vikingskool | May 6, 2022 | — | 26 |
| Vivi Viravento | 2017 | — | 26 |
| Voltron Force | June 16, 2011 | Nicktoons | 26 |
| W.I.T.C.H. | December 18, 2004 | Jetix, Disney Channel, Disney XD | 52 |
| Wacky Races | September 14, 1968 | CBS | 17 |
| Wakfu | October 30, 2008 | France 4, France 3 | 70 |
| Walter Melon | September 3, 1997 | Canal+ | 52 |
| Wander Over Yonder | August 16, 2013 | Disney XD | 79 |
| Waynehead | October 19, 1996 | Kids' WB | 13 |
| We Baby Bears | January 1, 2022 | Cartoon Network | 47 |
| We Bare Bears | July 27, 2015 | Cartoon Network | 140 |
| What a Cartoon! | February 20, 1995 | Cartoon Network | 48 |
| What If...? | August 11, 2021 | Disney+ | 26 |
| What's New, Scooby-Doo? | September 14, 2002 | The WB | 42 |
| Whisker Haven Tales With the Palace Pets | May 22, 2015 | Disney Jr. | 10 |
| Wild Kratts | January 3, 2011 | TVOKids, PBS Kids | 179 |
| Winx Club | January 28, 2004 | Nickelodeon, Rai Yoyo, Rai 2, Nick Jr. Channel, Rai Gulp | 208 |
| Wondrous Myths and Legends | 1999 | — | 13 |
| World of Winx | November 4, 2016 | Netflix, Rai Gulp | 26 |
| X-Men | October 31, 1992 | Fox Broadcasting Company, Fox Kids | 76 |
| Xavier Riddle and the Secret Museum | November 11, 2019 | PBS Kids, TVO Media Education Group | 47 |
| Yogi's Gang | September 8, 1973 | American Broadcasting Company | 17 |
| Yogi's Space Race | September 9, 1978 | NBC | 13 |
| Yogi's Treasure Hunt | September 6, 1985 | Broadcast syndication | 27 |
| Yolanda, Daughter of the Black Corsair | 1999 | — | — |
| Zak Storm | 2016 | Canal J | 39 |
| Zinba | — | — | 52 |
| Zoom the White Dolphin | August 30, 2015 | — | 104 |
| Zorro: The Chronicles | 2015 | — | 26 |