| Big & Small | BBC One, CBeebies | comedy television series, children's television series | 5 | 52 |
| Big Babies | BBC Children's and Education | — | 1 | 13 |
| Big Bad World | — | drama television series | — | — |
| Big Ballet | Channel 4 | documentary television program | 1 | 3 |
| Big Barn Farm | CBeebies | — | 2 | 40 |
| Big Boy Now! | — | — | 2 | 14 |
| Big Boys | Channel 4 | sitcom, LGBT-related television series | 3 | 18 |
| Big Breadwinner Hog | ITV | drama television series | — | — |
| Big Break | BBC One | — | 14 | 222 |
| Big Brother | — | reality television | 16 | — |
| Big Cat Diary | BBC One | documentary film | — | 76 |
| Big Cats with Nigel Marven | ITV | — | — | — |
| Big Deal | BBC One | — | 3 | 30 |
| Big Dreams Small Spaces | BBC Two | — | — | — |
| Big Fat Gypsy Weddings | Channel 4 | documentary television program | 2 | 18 |
| Big Kids | BBC One, Noggin | — | 1 | 13 |
| Big News | Birmingham TV | — | — | — |
| Big Ron Manager | — | — | — | — |
| Big School | BBC One | comedy television series | 2 | 12 |
| Big Star's Little Star | ITV1 | game show | 4 | — |
| Big Top | BBC One | sitcom | 1 | 6 |
| Big Train | BBC Two | comedy television series | 2 | 12 |
| Big World Cafe | — | — | — | — |
| Big Zuu's Big Eats | — | — | — | — |
| Big, Bigger, Biggest | National Geographic | documentary television program | 3 | 20 |
| Bigfoot Files | Channel 4 | documentary television program | 1 | 3 |
| Biggles | — | — | — | — |
| Biggleton | — | — | — | — |
| Bigheads | — | game show | 1 | 6 |
| Bill and Ben | — | — | — | — |
| Bill Bailey's Birdwatching Bonanza | Sky One | game show | 1 | 6 |
| Bill Brand | — | — | 1 | 11 |
| Bill Oddie Back in the USA | — | documentary film | 1 | 6 |
| Bill Oddie's How to Watch Wildlife | British Broadcasting Corporation | documentary film | 2 | 16 |
| Bill the Minder | ITV | children's television series | — | 15 |
| Billion Dollar Day | — | documentary film | — | — |
| Billy Bean and His Funny Machine | — | — | — | — |
| Billy Bunter of Greyfriars School | — | — | 7 | 52 |
| Billy Connolly's Route 66 | ITV1 | documentary television program | 1 | 4 |
| Billy Connolly's World Tour | — | — | — | — |
| Billy Connolly's World Tour of Australia | British Broadcasting Corporation | documentary film | — | 8 |
| Billy Connolly's World Tour of England, Ireland and Wales | British Broadcasting Corporation | documentary film | — | 8 |
| Billy Connolly: Journey to the Edge of the World | ITV1 | documentary television program | — | 4 |
| Billy Liar | ITV | sitcom | 2 | 27 |
| Bimble's Bucket | CITV | fantasy television program | — | — |
| Bingo Night Live | — | — | — | — |
| Bingolotto | — | — | 2 | 6 |
| Binka | CBeebies | — | — | 26 |
| Bird's Eye View | BBC Two | — | 1 | 15 |
| Birding with Bill Oddie | — | documentary film | — | — |
| Birds Britannia | BBC Four | nature documentary | 1 | 4 |
| Birds of a Feather | BBC One, British Broadcasting Corporation | sitcom | 12 | 126 |
| Birdsong | BBC One | drama television series | 1 | 2 |
| Birthrights | — | — | — | — |
| Bits | Channel 4 | — | 5 | 60 |
| Bits and Bobs | BBC One | — | — | — |
| Bitsa | BBC One | — | — | 77 |
| Bizarre ER | BBC Three | documentary television program | 5 | 40 |
| Bizzy Lizzy | — | — | — | — |
| Black and Blue | BBC Two | comedy drama, anthology series, comedy television series | 1 | 6 |