| Arcane | November 6, 2021 | Netflix, Tencent Video | 18 |
| Archer | September 17, 2009 | FX | 145 |
| Archibald's Next Big Thing | September 6, 2019 | Netflix | 26 |
| Archie's Weird Mysteries | October 2, 1999 | Ion Television | 40 |
| Argai: The Prophecy | April 15, 2001 | TF1 | 26 |
| Ariel | June 27, 2024 | Disney Jr. | 30 |
| Ark: The Animated Series | — | — | — |
| Around the World in 79 Days | September 6, 1969 | — | 17 |
| Arthur | October 7, 1996 | PBS | 253 |
| As Told by Ginger | October 25, 2000 | Nicktoons, Nickelodeon | 60 |
| Assy McGee | November 26, 2006 | Adult Swim, Cartoon Network | 20 |
| Astro and the Space Mutts | — | — | 11 |
| Astroblast! | July 12, 2014 | Universal Kids | — |
| Atom Ant | October 2, 1965 | NBC | 26 |
| Attack of the Killer Tomatoes | September 8, 1990 | Fox Broadcasting Company | 21 |
| Augie Doggie and Doggie Daddy | September 19, 1959 | — | 45 |
| Avatar: Seven Havens | October 9, 2026 | Paramount+ | 13 |
| Avatar: The Last Airbender | February 21, 2005 | Nickelodeon | 61 |
| Awesome Magical Tales | December 31, 2012 | Raidió Teilifís Éireann, Univision, Seven Network, 7Two, Hub Network | 26 |
| Axe Cop | July 21, 2013 | Fox Broadcasting Company | 22 |
| Baby Blues | July 28, 2000 | The WB | 13 |
| Baby Looney Tunes | September 7, 2002 | Cartoon Network, Kids' WB | 53 |
| Back at the Barnyard | September 29, 2007 | Nickelodeon | 52 |
| Back to the Future: The Animated Series | September 7, 1991 | CBS | 26 |
| Backyard Sports: The Animated Series | — | — | 20 |
| Bad Dog | July 18, 1998 | Fox Kids | 40 |
| Bailey's Comets | September 8, 1973 | CBS | 32 |
| Ballmastrz: 9009 | April 9, 2018 | Adult Swim | 20 |
| Barbie Dreamhouse Adventures | May 3, 2018 | Netflix | 52 |
| Barbie: Life in the Dreamhouse | May 11, 2012 | YouTube | 75 |
| Barker Bill's Cartoon Show | 1953 | CBS | — |
| Barney's World | October 14, 2024 | Cartoonito, HBO Max | — |
| Barnyard Commandos | September 4, 1990 | Broadcast syndication | 13 |
| Batfink | April 21, 1966 | KTLA | 100 |
| Batman Beyond | January 10, 1999 | The WB | 52 |
| Batman: Caped Crusader | August 1, 2024 | Amazon Prime Video | 20 |
| Batman: The Animated Series | September 5, 1992 | Fox Kids | 162 |
| Batman: The Brave and the Bold | November 14, 2008 | Cartoon Network | 65 |
| Battle for Dream Island | January 1, 2010 | YouTube | 111 |
| Battle Kitty | April 19, 2022 | Netflix | 9 |
| Battle of the Planets | September 12, 1978 | Broadcast syndication | 85 |
| BattleTech: The Animated Series | September 10, 1994 | Fox Broadcasting Company | — |
| Batwheels | 2022 | Cartoon Network | 93 |
| Baymax! | June 29, 2022 | Disney+ | 6 |
| Be Cool, Scooby-Doo! | October 5, 2015 | Boomerang, Cartoon Network | 52 |
| Beany and Cecil | January 6, 1962 | American Broadcasting Company | 26 |
| Bearbrick | — | — | — |
| Beavis and Butt-Head | March 8, 1993 | MTV | 202 |
| Become Jehovah's Friend | 2012 | — | — |
| Bee and PuppyCat | July 11, 2013 | Netflix | 10 |
| Beethoven | September 10, 1994 | CBS | 26 |
| Beetle Bailey | August 26, 1963 | — | 50 |
| Beetlejuice | September 9, 1989 | American Broadcasting Company | 94 |
| Ben 10 | December 27, 2005 | Cartoon Network | 52 |
| Ben 10 | October 1, 2016 | Cartoon Network | 166 |
| Ben 10: Alien Force | April 18, 2008 | Cartoon Network | 46 |
| Ben 10: Omniverse | August 1, 2012 | Cartoon Network | 80 |
| Ben 10: Ultimate Alien | April 23, 2010 | Cartoon Network | 52 |
| Bert and Ernie's Great Adventures | December 11, 2006 | — | 52 |
| Beverly Hills Teens | September 21, 1987 | Broadcast syndication | 65 |