| The Gary Coleman Show | September 18, 1982 | NBC | 13 |
| The Get Along Gang | September 15, 1984 | CBS | 26 |
| The Ghost and Molly McGee | October 1, 2021 | Disney Channel, Disney XD | 41 |
| The Gingerbread Man | April 24, 1992 | ITV | 13 |
| The Girl Downstairs | — | — | 22 |
| The Glo Friends | September 23, 1986 | Freeform | 26 |
| The Gloops | — | — | — |
| The Gnoufs | August 30, 2004 | France 3 | 52 |
| The Golden Wug | — | Youku | — |
| The Goode Family | May 27, 2009 | American Broadcasting Company | 13 |
| The Great Grape Ape Show | September 6, 1975 | American Broadcasting Company | 16 |
| The Great North | January 3, 2021 | Fox Broadcasting Company | 97 |
| The Great Warrior Wall | January 19, 2019 | Beijing Radio & Television Station | 40 |
| The Green Squad | 2011 | France 5 | 52 |
| The Grim Adventures of Billy & Mandy | August 24, 2001 | Cartoon Network | 78 |
| The Guardians of Carcosa | June 6, 2013 | Gansu Television | 286 |
| The Hanna-Barbera New Cartoon Series | September 3, 1962 | Broadcast syndication | 52 |
| The Happets | 2010 | — | 52 |
| The Hardy Boys | September 6, 1969 | American Broadcasting Company | 17 |
| The Haunted House | — | — | — |
| The Haunted House Special: Joseon Exorcism Annals | — | — | — |
| The Head | September 1, 1994 | MTV | 14 |
| The Heckle and Jeckle Show | — | — | — |
| The Herculoids | September 9, 1967 | CBS | 18 |
| The Herlufs | 1996 | — | 26 |
| The Heroes | 2006 | IRIB TV1, IRIB TV2, IRIB Pooya & Nahal | 70 |
| The Heroic Quest of the Valiant Prince Ivandoe | November 20, 2017 | Cartoon Network | 10 |
| The Hillbilly Bears | October 2, 1965 | NBC | 26 |
| The Hive | September 10, 2010 | — | 152 |
| The Hollow | June 8, 2018 | Netflix | 20 |
| The Hot Rod Dogs and Cool Car Cats | 1995 | ITV | — |
| The Houndcats | September 9, 1972 | NBC | 13 |
| The Huckleberry Hound Show | September 30, 1958 | Broadcast syndication | 69 |
| The Hydronauts | September 13, 2003 | KiKA, France 5 | 26 |
| The Idhun Chronicles | September 10, 2020 | Netflix | 10 |
| The Impossibles | September 10, 1966 | CBS | 18 |
| The Incredible Hulk | September 18, 1982 | NBC | 13 |
| The Incredible Hulk | September 8, 1996 | UPN | 21 |
| The Incredible Hulk | 1966 | — | — |
| The Infinite Quest | April 2, 2007 | BBC One | 13 |
| The Ink and Paint Club | September 22, 1997 | — | 60 |
| The Insensitive Princess | December 21, 1983 | Antenne 2 | 13 |
| The Invisible Man | — | Rai 2 | 26 |
| The Island of Inis Cool | 2003 | TG4 | 26 |
| The Jaksop Show | April 4, 2008 | — | 187 |
| The Jellies! | October 22, 2017 | Adult Swim | 1 |
| The Jetsons | September 23, 1962 | American Broadcasting Company, Broadcast syndication | 75 |
| The Jungle Book | October 18, 2010 | TF1 | 104 |
| The Karate Kid | September 9, 1989 | NBC | 13 |
| The Kid Super Power Hour with Shazam! | September 12, 1981 | NBC | — |
| The Kids from Room 402 | August 29, 2000 | Television networks preceding ABC Family | 52 |
| The Koala Brothers | October 4, 2003 | CBeebies, ABC Kids | 79 |
| The Kwicky Koala Show | September 12, 1981 | CBS | 16 |
| The Lampies | October 12, 2000 | BBC Children's and Education | 52 |
| The Land Before Time | March 4, 2007 | Cartoon Network | 26 |
| The Large Family | October 15, 2007 | CBeebies | 52 |
| The Last Kids on Earth | September 17, 2019 | Netflix | 21 |
| The Legend of Calamity Jane | September 13, 1997 | The WB | 13 |
| The Legend of Korra | April 14, 2012 | Nickelodeon | 52 |
| The Legend of Luo Xiaohei | — | — | — |