| Last Period | April 12, 2018 | — | 12 |
| Lastman (TV series) | — | France 4 | 32 |
| Laughing Under the Clouds | October 4, 2014 | — | 12 |
| Laura, The Prairie Girl | October 7, 1975 | TBS Television | 26 |
| Laurel and Hardy | September 10, 1966 | Broadcast syndication | 156 |
| Lavender Castle | January 7, 1999 | ITV | 26 |
| Laverne & Shirley | October 10, 1981 | American Broadcasting Company | 13 |
| Layton Mystery Detective Agency: Kat's Mystery-Solving Files | April 8, 2018 | Fuji Television | 50 |
| Lazarus | April 6, 2025 | Animax, TV Tokyo, TX Network | 13 |
| Lazor Wulf | April 7, 2019 | Adult Swim, Cartoon Network | — |
| Lazy Lucy | September 4, 2004 | KiKA, TiJi, France 5 | 52 |
| Le Chevalier D'Eon | August 19, 2006 | WOWOW | 24 |
| Le Collège Noir - Lament from Auvergne | — | — | 6 |
| Le incredibili indagini dell'ispettore Nasy | — | Rai 1 | — |
| Le Nidouille | — | Télétoon+ | 52 |
| Le Petit Nicolas | 2008 | M6 | 104 |
| Le Piaf | — | Canal+ | 200 |
| Le Portrait de Petit Cossette | May 26, 2004 | — | 3 |
| League of Super Evil | March 7, 2009 | YTV | 52 |
| Learning Time with Timmy | May 24, 2018 | — | 27 |
| Lee's Detective Agency | — | — | 8 |
| Left-Hand Layup! | — | Tencent Video | 17 |
| Legend of Basara | April 2, 1998 | Sun Television | 13 |
| Legend of DUO | October 27, 2004 | — | 12 |
| Legend of Heavenly Sphere Shurato | April 6, 1989 | — | 38 |
| Legend of Heavenly Sphere Shurato: Dark Genesis | August 16, 1991 | — | 6 |
| Legend of Himiko | January 7, 1999 | TV Tokyo | 12 |
| Legend of Lyon Flare | July 14, 1986 | — | 2 |
| Legend of Mana: The Teardrop Crystal | October 8, 2022 | — | 12 |
| Legend of Princess Chang-Ge | — | Bilibili | — |
| Legend of Shao-Lin Kong Fu | — | CTS Main Channel | — |
| Legend of the Dragon | July 29, 2005 | BBC Children's and Education | 39 |
| Legend of the Galactic Heroes | December 21, 1988 | — | 110 |
| Legend of the Galactic Heroes: Die Neue These | March 31, 2018 | — | — |
| Legend of the Silk Road: The Great Chart | — | CCTV-14 Children | 52 |
| Legend of the Silk Road: Zhang Qian the Envoy | October 8, 2018 | CCTV-14 Children | 52 |
| Legend of the Three Caballeros | June 9, 2018 | — | 13 |
| Legend of Yang Chen | — | — | — |
| Legend Quest | February 24, 2017 | Netflix | 13 |
| Legendary Gambler Tetsuya | October 7, 2000 | TV Asahi | 20 |
| Legendary Overlord | — | — | — |
| Legends of Bikini Bottom | January 28, 2011 | Nickelodeon | 6 |
| Legends of Chima | January 16, 2013 | Cartoon Network | 40 |
| Legends of the Dark King | October 10, 2008 | — | 13 |
| Legendz | April 4, 2004 | Fuji Television | — |
| Legion of Super Heroes | September 23, 2006 | The CW, Kids' WB | 26 |
| Lego Bionicle: The Journey to One | March 4, 2016 | — | — |
| Lego City Adventures | 2019 | Nickelodeon | 26 |
| Lego Elves: Secrets of Elvendale | September 1, 2017 | — | — |
| Lego Marvel Avengers: Strange Tails | November 14, 2025 | Disney+ | 2 |
| LEGO Marvel short films | 2013 | — | 10 |
| Lego Nexo Knights | December 18, 2015 | Cartoon Network | 40 |
| Lego One Piece | September 29, 2026 | — | 2 |
| Lego Star Wars: All-Stars | — | — | — |
| Lego Star Wars: Droid Tales | July 6, 2015 | Disney XD | 5 |
| Lego Star Wars: Rebuild the Galaxy | September 13, 2024 | — | 4 |
| Lego Star Wars: The Freemaker Adventures | June 20, 2016 | Disney XD | 26 |
| Lego Star Wars: The Resistance Rises | — | Disney XD | 5 |
| Lego Star Wars: The Yoda Chronicles | — | Cartoon Network | — |
| Leina: Wolf Sword Legend | February 5, 1988 | — | 3 |