| Blaze and the Monster Machines | October 13, 2014 | Nickelodeon | 151 |
| Blazing Dragons | September 9, 1996 | Canal+, Cartoon Network | 26 |
| Blazing Team: Masters of Yo Kwon Do | November 13, 2015 | — | — |
| Bless the Harts | September 29, 2019 | Fox Broadcasting Company | 34 |
| Blippi And Sesame Street Adventures | 2025 | — | — |
| Blippi Wonders | 2021 | — | 76 |
| Blippi's Job Show | 2025 | Netflix | 20 |
| Block! | April 22, 2006 | Televisión Nacional de Chile | — |
| Blood of Zeus | October 27, 2020 | Netflix | 24 |
| Blue Eye Samurai | November 3, 2023 | — | 8 |
| Bluey | October 1, 2018 | ABC Kids | 154 |
| Bo on the Go! | September 3, 2007 | CBC Television | 50 |
| Bob and Bobby - Top Hat Rabbits | 1979 | — | 91 |
| Bob and Margaret | June 22, 1998 | Comedy Central, Channel 4, Global Television Network | 52 |
| Bob the Builder | May 15, 1997 | British Broadcasting Corporation, BBC One, BBC Two, CBeebies | 298 |
| Bob's Burgers | January 9, 2011 | Fox Broadcasting Company | 313 |
| Bobby's Body | November 8, 2000 | VPRO | 14 |
| Bobby's World | September 8, 1990 | Fox Broadcasting Company, Fox Kids | 81 |
| Boblins | September 2006 | — | 78 |
| Bobo Siebenschläfer | 2014 | KiKA | 52 |
| Bobobobs | October 8, 1988 | TV3 | 26 |
| BoBoiBoy | March 11, 2011 | TV3 | 52 |
| BoBoiBoy Galaxy | November 25, 2016 | TV3 | 30 |
| Bobtales | June 29, 1998 | — | 13 |
| Boj | May 19, 2014 | S4C, CBeebies, RTÉ KIDSjr | 51 |
| BoJack Horseman | August 22, 2014 | Netflix | 77 |
| Bolts & Blip | June 28, 2010 | Cartoon Network | 26 |
| Bondi Band | May 20, 2010 | Disney XD | 52 |
| Bonkers | September 4, 1993 | Disney Channel | 60 |
| Boo & Me | — | — | — |
| Boo & Me | — | — | 13 |
| Boo! | June 4, 2003 | Canal Panda, TFO, CBeebies, Treehouse TV, YTV | 102 |
| Booba | November 10, 2014 | — | — |
| Book Hungry Bears | March 25, 2020 | — | 52 |
| Boonie Bears | January 19, 2012 | — | — |
| BooSnoo! | — | Sky Kids | — |
| Bordertown | January 3, 2016 | Fox Broadcasting Company | 13 |
| Boris and Rufus | January 2, 2018 | Disney XD | 26 |
| Bossy Bear | March 6, 2023 | Nickelodeon, Nick Jr. Channel | 30 |
| Boulder Creek International | — | — | — |
| Boule et Bill | 2004 | TF1 | 104 |
| Bouli | 1989 | Antenne 2 | 114 |
| Boy Girl Dog Cat Mouse Cheese | — | — | 129 |
| Boyster | June 16, 2014 | Disney XD | 52 |
| Braceface | June 2, 2001 | Télétoon | 78 |
| Brad Neely's Harg Nallin' Sclopio Peepio | July 10, 2016 | Adult Swim, Cartoon Network | 10 |
| Brady's Beasts | June 13, 2005 | YTV | 52 |
| BrainFed | — | — | 58 |
| Brainstorming | — | — | — |
| Bram En Moos | July 8, 1990 | VPRO | 12 |
| Brandy & Mr. Whiskers | August 21, 2004 | Disney Channel, Toon Disney | 77 |
| Brats of the Lost Nebula | October 10, 1998 | — | 13 |
| Bratz | August 21, 2005 | Fox Broadcasting Company, CITV | 40 |
| Brave Animated Series | July 4, 2021 | PTS Channel, PTS XS | 12 |
| Brave Bunnies | May 12, 2020 | — | 52 |
| BraveStarr | September 14, 1987 | Broadcast syndication | 65 |
| Bread Barbershop | — | — | — |
| Breadwinners | February 17, 2014 | Nicktoons, Nickelodeon | 40 |
| Breezly and Sneezly | September 16, 1964 | — | — |
| Brickleberry | September 25, 2012 | Comedy Central | 36 |