| There She Is!! | 2004 | — | 5 |
| Tickety Toc | April 19, 2012 | Korea Educational Broadcasting System | 52 |
| Time Traveler Luke | — | KBS 1TV, TVS (Malaysian TV channel) | 52 |
| Tish Tash | — | EBS 1TV | — |
| Titipo Titipo | January 1, 2018 | EBS 1TV | — |
| Tobot | March 2010 | — | 392 |
| Tomb Raider King | July 2026 | Fuji Television, ANIPLUS | — |
| True Beauty | — | — | — |
| Turning Mecard | — | — | 188 |
| Turning Mecard God | — | — | — |
| Turning Mecard R | — | — | — |
| Turning Mecard W | — | — | — |
| TwinFizz Family | — | SBS TV | — |
| Uniminipet | June 15, 2001 | SBS TV | 26 |
| Vary Peri | November 10, 2012 | — | 40 |
| Virtual Guardians | — | KBS 1TV | 26 |
| Voltron: Legendary Defender | June 10, 2016 | Netflix | 78 |
| Vroomiz | July 14, 2010 | EBS 1TV | 78 |
| We are Clever Detectives | — | MBC TV | 52 |
| What are you doing Nini? | — | KBS 2TV | 52 |
| Wish Cat | September 12, 2024 | SBS TV | 26 |
| Yellow Muzi & Friends | — | Tooniverse | — |
| Z-Squad | December 4, 2006 | SBS TV | 26 |
| Zack & Quack | February 7, 2014 | Nick Jr. Channel | 33 |
| Zak Storm | 2016 | Canal J | 39 |
| Zoobles! | May 18, 2011 | SBS TV | 26 |