| Ling Cage | — | Bilibili | 12 |
| Ling Tian Du Zun | — | — | — |
| Lingwu Continent | — | — | — |
| Link Click | April 30, 2021 | — | 29 |
| Linus the Lionhearted | September 26, 1964 | CBS | 39 |
| Lippy the Lion & Hardy Har Har | September 3, 1962 | Broadcast syndication | 52 |
| Liquid Television | June 2, 1991 | MTV | 27 |
| Listeners | April 3, 2020 | — | 12 |
| Litchi DE Hikari Club | October 2, 2012 | — | — |
| Little Bear | November 6, 1995 | Nickelodeon, CBC Television | 65 |
| Little Bill | November 28, 1999 | Nickelodeon, Nick Jr., BET | 127 |
| Little Brown Bear | — | France 3 | 100 |
| Little Busters! | October 6, 2012 | — | 39 |
| Little Busters! EX | January 29, 2014 | — | 8 |
| Little Charmers | January 12, 2015 | Nick Jr. Channel | 40 |
| Little Charo | April 2, 2008 | NHK Educational TV | 50 |
| Little Demon | August 25, 2022 | FX | 10 |
| Little Dracula | September 3, 1991 | — | 26 |
| Little Dreamer Gguda | — | KBS 1TV | — |
| Little Einsteins | October 9, 2005 | Playhouse Disney, Disney Channel | 67 |
| Little Ellen | September 13, 2021 | — | 20 |
| Little Heroes | September 2, 2022 | Carousel, Mult | 52 |
| Little J & Big Cuz | — | National Indigenous Television | — |
| Little King Macius | 2002 | Telewizja Polska | 52 |
| Little Lord Fauntleroy | January 10, 1988 | Fuji Television | 43 |
| Little Lulu | December 30, 1944 | — | — |
| Little Lulu and Her Little Friends | October 3, 1976 | TV Asahi, National Educational Television | 26 |
| Little Memole | March 3, 1984 | TV Asahi | 50 |
| Little Monsters | September 14, 1998 | BBC One | 52 |
| Little Mouse on the Prairie | 1997 | Freeform | 26 |
| Little Mouse's Red Vest | April 4, 2026 | — | — |
| Little Pollon | May 8, 1982 | Fuji Television | 46 |
| Little Princess | October 9, 2006 | Channel 5, Milkshake! | 135 |
| Little Princess School | — | — | — |
| Little Red Tractor | January 5, 2004 | Nickelodeon | 75 |
| Little Robots | January 7, 2003 | CBeebies | 65 |
| Little Rosey | September 8, 1990 | American Broadcasting Company | 13 |
| Little Shop | September 7, 1991 | Fox Broadcasting Company | 13 |
| Little Vampire | 2003 | — | 26 |
| Little Wansa | April 2, 1973 | — | 26 |
| Little Witch Academia | January 9, 2017 | — | 25 |
| Little Wizards | September 26, 1987 | American Broadcasting Company | 13 |
| Little Women | April 7, 1981 | — | 26 |
| Little Women II: Jo's Boys | January 17, 1993 | — | 40 |
| Littlekenny | 2019 | — | 6 |
| Littlest Pet Shop | October 16, 1995 | Broadcast syndication | 40 |
| Littlest Pet Shop | November 10, 2012 | TF1 | 104 |
| Littlest Pet Shop: A World of Our Own | April 14, 2018 | Discovery Family | 52 |
| Live On Cardliver Kakeru | October 5, 2008 | TV Tokyo | — |
| Living for the Day After Tomorrow | October 5, 2006 | — | 12 |
| Living with Dad | 2022 | Gulli, Canal J | — |
| Lizzie's Library | November 6, 1995 | Australian Broadcasting Corporation | 26 |
| Lizzy the Lezzy | — | — | — |
| Lloyd in Space | February 3, 2001 | American Broadcasting Company | 39 |
| LMN's: Adventures in the Microworld | — | — | 52 |
| Loafy | — | — | — |
| Locke the Superman: Lord Leon | October 25, 1989 | — | 3 |
| Locodol | July 4, 2014 | TBS Television | 12 |
| Log Horizon | October 5, 2013 | NHK Educational TV | 62 |
| Loggerheads | 1998 | — | 16 |