| Inspector Mergou | — | Echorouk Group | — |
| International Hareport | January 2010 | TF1 | 26 |
| Invader Zim | March 30, 2001 | Nickelodeon | 27 |
| Invasion America | June 8, 1998 | The WB | 13 |
| Invention Story | — | CCTV-14 Children | 52 |
| Invincible | March 25, 2021 | Amazon Prime Video | 33 |
| Iron Kid | June 2006 | Korean Broadcasting System | 26 |
| Iron Man | September 24, 1994 | Broadcast syndication | 26 |
| Iron Man and His Awesome Friends | August 11, 2025 | Disney Jr. | 19 |
| Iron Man: Armored Adventures | March 14, 2009 | France 4 | 52 |
| Isadora Moon | November 17, 2023 | Sky Kids | — |
| It's a Pet's World | September 6, 1999 | France 3 | 52 |
| It's a Small World: The Animated Series | November 26, 2013 | — | — |
| It's Pony | January 18, 2020 | Nickelodeon, YTV, Nickelodeon | 11 |
| It's Punky Brewster | September 14, 1985 | NBC | 26 |
| It's the Wolf | — | — | — |
| Itsy Bitsy Spider | 1994 | USA Network | 26 |
| Ivanhoe | — | — | — |
| Ivor the Engine | 1959 | ITV | — |
| Iwájú | February 28, 2024 | Disney+ | 6 |
| Jabberjaw | September 11, 1976 | American Broadcasting Company | 16 |
| Jacek śpioszek | 1962 | TVP1 | 13 |
| Jackie Chan Adventures | September 9, 2000 | The WB, Pro Cinema | 95 |
| Jackson 5ive | September 11, 1971 | American Broadcasting Company | 23 |
| Jacob Two-Two | September 7, 2003 | YTV | 62 |
| Jade Armor | — | — | — |
| Jade Dynasty | — | — | — |
| Jake and the Never Land Pirates | February 14, 2011 | Disney Channel, Disney Jr. | 104 |
| Jakers! The Adventures of Piggley Winks | September 7, 2003 | PBS, CBeebies, PBS Kids | 52 |
| James Bond Jr. | September 16, 1991 | Broadcast syndication | 65 |
| Jamie and the Magic Torch | 1976 | ITV | 39 |
| Jamie's Got Tentacles | September 9, 2013 | France 3 | 157 |
| Jane | — | — | — |
| Jang Geum's Dream | October 29, 2005 | MBC TV | 52 |
| Janoschs Traumstunde | October 12, 1986 | Das Erste | 26 |
| Jasper the Penguin | March 3, 2003 | KiKA, France 5 | 52 |
| Jayce and the Wheeled Warriors | September 9, 1985 | TF1 | 65 |
| Jeannie | September 8, 1973 | CBS | 16 |
| Jefferson Anderson | February 17, 2007 | Yle TV2 | 64 |
| Jellabies | May 18, 1998 | Kindernet | 97 |
| Jelly Jamm | September 5, 2011 | Cartoonito, Clan | 78 |
| Jelly, Ben & Pogo | — | — | — |
| Jellystone! | July 29, 2021 | HBO Max | 30 |
| Jem | October 6, 1985 | Broadcast syndication | 65 |
| Jentry Chau vs. The Underworld | December 5, 2024 | — | 13 |
| Jerzy and Petruccio | March 11, 2005 | — | 37 |
| Jessica's Big Little World | October 2, 2023 | Cartoon Network, Cartoonito | 20 |
| Jibber Jabber | September 3, 2007 | YTV | 26 |
| Jim and Judy in Teleland | September 1949 | — | 52 |
| Jim Button | August 26, 1999 | KiKA | 52 |
| Jim Henson's Muppet Babies | September 15, 1984 | CBS | 107 |
| Jimbo and the Jet Set | January 6, 1986 | BBC One | 25 |
| Jimmy Neutron: Boy Genius Shorts | — | Nickelodeon | 12 |
| Jimmy Two-Shoes | February 13, 2009 | Télétoon, Disney XD | 52 |
| Jin Jin and the Panda Patrol | 1994 | — | 26 |
| Jo Kilat | January 30, 1998 | MediaCorp Suria | 13 |
| Jobi's Room | — | TV Rá-Tim-Bum | 26 |
| Jodie | — | Comedy Central | — |
| Joe the Little Boom Boom | December 1960 | Office de radiodiffusion télévision française | 13 |
| John Dillermand | 2021 | DR Ramasjang | — |