| The Fantastic Four | September 9, 1967 | American Broadcasting Company | 20 |
| The Fantastic Voyages of Sinbad the Sailor | 1996 | — | — |
| The Flintstone Comedy Hour | September 9, 1972 | CBS | 18 |
| The Flintstone Comedy Show | November 22, 1980 | NBC | 18 |
| The Flintstone Kids | September 6, 1986 | American Broadcasting Company | 34 |
| The Flintstones | September 30, 1960 | American Broadcasting Company | 166 |
| The Fonz and the Happy Days Gang | November 8, 1980 | American Broadcasting Company | 24 |
| The Freak Brothers | November 14, 2021 | — | — |
| The Fungies! | August 20, 2020 | Cinemax, HBO Max | 80 |
| The Funky Phantom | September 11, 1971 | — | 17 |
| The Funny Company | 1963 | Broadcast syndication | — |
| The Further Adventures of SuperTed | January 31, 1989 | Broadcast syndication | 13 |
| The Future Is Wild | October 13, 2007 | Discovery Family | 26 |
| The Garfield Show | July 22, 2008 | France 3 | 210 |
| 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 Glo Friends | September 23, 1986 | Freeform | 26 |
| The God & Devil Show | — | — | 43 |
| 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 Grim Adventures of Billy & Mandy | August 24, 2001 | Cartoon Network | 78 |
| The Hanna-Barbera New Cartoon Series | September 3, 1962 | Broadcast syndication | 52 |
| The Hardy Boys | September 6, 1969 | American Broadcasting Company | 17 |
| The Head | September 1, 1994 | MTV | 14 |
| The Heckle and Jeckle Show | — | — | — |
| The Herculoids | September 9, 1967 | CBS | 18 |
| The Hillbilly Bears | October 2, 1965 | NBC | 26 |
| 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 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 Ink and Paint Club | September 22, 1997 | — | 60 |
| The Itchy & Scratchy Show | — | — | — |
| The Jellies! | October 22, 2017 | Adult Swim | 1 |
| The Jetsons | September 23, 1962 | American Broadcasting Company, Broadcast syndication | 75 |
| The Karate Kid | September 9, 1989 | NBC | 13 |
| The Kid Super Power Hour with Shazam! | September 12, 1981 | NBC | — |
| The King Kong Show | September 10, 1966 | American Broadcasting Company | 25 |
| The Kwicky Koala Show | September 12, 1981 | CBS | 16 |
| The Land Before Time | March 4, 2007 | Cartoon Network | 26 |
| 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 Prince Valiant | September 3, 1991 | Freeform | 65 |
| The Legend of Tarzan | September 3, 2001 | UPN, Broadcast syndication | 39 |
| The Legend of Vox Machina | January 28, 2022 | Amazon Prime Video | 48 |
| The Legend of Zelda | September 8, 1989 | Broadcast syndication | 13 |
| The Liberator | November 11, 2020 | Netflix | 4 |
| The Life & Times of Tim | September 28, 2008 | HBO | 30 |
| The Life and Times of Juniper Lee | May 30, 2005 | Cartoon Network | 40 |
| The Lion Guard | November 22, 2015 | Disney Jr. | 74 |
| The Lionhearts | September 19, 1998 | Broadcast syndication | 13 |
| The Little Clowns of Happytown | September 26, 1987 | American Broadcasting Company | 18 |
| The Little Lulu Show | November 11, 1995 | TV Globo, HBO, Boomerang, CTV Television Network, Cartoon Network, Sistema Brasileiro de Televisão, Record, Multishow, Family Channel, Disney Channel, TV Cultura, Nova Geração de Televisão | 52 |