| Brawn: The Impossible Formula 1 Story | Disney+ | sports documentary | 1 | 4 |
| Brazen | Men & Motors | — | — | 20 |
| Brazil with Michael Palin | BBC One | documentary film | 1 | 4 |
| Bread | BBC One | sitcom | 8 | 74 |
| Break in the Sun | — | — | — | 6 |
| Break Point | Netflix | documentary television program | 2 | 16 |
| Break the Safe | BBC One | — | 2 | 15 |
| Breakfast News | BBC One | — | — | — |
| Breakfast Serials | — | children's television series, anthology series | — | — |
| Breakfast Time | BBC One | — | — | — |
| Breakfast with Frost | BBC One | — | — | 577 |
| Breaking Magic | Discovery Channel | entertainment | 2 | 24 |
| Breathless | ITV | — | 1 | 6 |
| Breathtaking | ITVX | medical drama | 1 | 3 |
| Breeze Block | BBC Choice | sitcom | 1 | 6 |
| Bremner, Bird and Fortune | Channel 4 | — | 16 | 85 |
| Brendan's Magical Mystery Tour | Channel 4 | — | 1 | 20 |
| Brendon Chase | ITV | children's television series | 1 | 13 |
| Brett | BBC One | — | 1 | 19 |
| Brian and Maggie | — | — | — | — |
| Brian Conley: This Way Up | ITV | — | 2 | 13 |
| Brian Pern | — | comedy television series, parody | 3 | 10 |
| Bric-a-Brac | BBC One | — | — | — |
| Brideshead Revisited | ITV | drama television series | — | 11 |
| Bridge of Lies | — | game show | — | 50 |
| Brief Encounters | ITV | — | 1 | 6 |
| Bright's Boffins | — | — | — | — |
| Brilliant Creatures | — | children's television series | — | — |
| Bring Back... | Channel 4 | — | — | 8 |
| Bring Me Morecambe & Wise | — | — | 1 | 5 |
| Bring Me Sunshine | — | — | — | — |
| Bring Me the Head of Light Entertainment | Channel 5 | game show | 5 | 2 |
| Bring the Noise | — | panel game | 1 | 10 |
| Bring Your Husband To Heel | BBC Two | — | — | — |
| Britain & Ireland's Next Top Model | Sky Witness | reality television | 8 | 82 |
| Britain and the Sea | — | — | 1 | 4 |
| Britain Goes Wild with Bill Oddie | British Broadcasting Corporation | documentary film | — | — |
| Britain in Bloom | BBC Two | documentary | — | — |
| Britain's Ancient Tracks with Tony Robinson | — | — | — | — |
| Britain's Best Bakery | — | — | 2 | 50 |
| Britain's Best Brain | Channel 5 | — | 1 | 8 |
| Britain's Best Buildings | BBC Two | documentary film | 2 | 9 |
| Britain's Best Drives | BBC Four | documentary film | — | 6 |
| Britain's Best Sitcom | BBC Two | documentary film, comedy television series | 1 | 12 |
| Britain's Biggest Warship | BBC Two | documentary television program | 1 | 3 |
| Britain's Bounciest Weather | — | — | — | — |
| Britain's Fattest Man | — | documentary film, documentary television program | — | — |
| Britain's Finest | — | documentary television program | — | — |
| Britain's Got Talent | ITV | talent show, music program | 19 | 277 |
| Britain's Got Talent: The Champions | — | reality television | — | — |
| Britain's Great War | BBC One | documentary film | 1 | 4 |
| Britain's Greatest Machines with Chris Barrie | National Geographic | — | 2 | 8 |
| Britain's Hardest | Sky One | game show | 1 | 10 |
| Britain's Lost Masterpieces | BBC Four | — | 5 | 15 |
| Britain's Lost Routes with Griff Rhys Jones | BBC One | documentary film | 1 | 4 |
| Britain's Missing Top Model | BBC Three | reality television | 1 | 6 |
| Britain's Next Big Thing | — | documentary film | — | — |
| Britain's Secret Treasures | — | — | 2 | 14 |
| Britain's Underworld | — | documentary television program | 2 | — |
| Britain's Worst Driver | Channel 5 | game show | 2 | 18 |