| Britain’s Brainiest Kid | VTM | game show | 2 | 26 |
| Britannia | Sky One, Amazon Prime Video | historical fantasy | 3 | 27 |
| Britannia High | ITV, STV, UTV | drama television series | 1 | 9 |
| British Masters | BBC Four | documentary film, documentary television program | — | — |
| Bro's in Control | — | — | — | — |
| Broadchurch | ITV | thriller television series, police television drama | 3 | 24 |
| Broken News | BBC Two | comedy television series | 1 | 6 |
| Bromans | ITV2 | — | 1 | 7 |
| Brond | Channel 4 | — | — | — |
| Brookside | Channel 4 | soap opera, drama television series | — | 2,915 |
| Broome Stages | BBC Two | — | — | — |
| Brotherhood | Q1114052 | sitcom | — | 8 |
| Brotherly Love | BBC One | sitcom | 1 | 6 |
| Brothers in Law | — | sitcom | — | — |
| Bruce Forsyth's Big Night | — | — | — | — |
| Bruiser | BBC Two | comedy television series | 1 | 6 |
| Brum | BBC One, BBC Children's and Education, CBeebies, Discovery Kids, Australian Broadcasting Corporation, ABC, ABC Family | children's television series | 5 | 67 |
| Brush Strokes | BBC One | sitcom | 5 | 40 |
| BT Sport Score | — | — | — | — |
| Buccaneer | BBC One | — | 1 | 13 |
| Bucket | — | — | — | 4 |
| Buddy | — | — | 1 | 5 |
| Budgie | ITV | comedy drama, drama television series | 2 | 26 |
| Bug Alert | Channel 4 | children's television series | 1 | 78 |
| Bugs | BBC One | science fiction television series, drama television series | 4 | 40 |
| Building the Band | Netflix | — | — | — |
| Building the Dream | — | — | — | 40 |
| Bull | — | — | 1 | 3 |
| Bulldog Breed | — | — | — | — |
| Bulletproof | Sky One | comedy television series | 3 | 17 |
| Bullseye | ITV | game show | 15 | 356 |
| Bump | BBC One | children's television series | 2 | 27 |
| Bumps | — | — | — | — |
| Buried | — | — | 1 | 8 |
| Buried Treasure | — | — | — | — |
| Burn It | BBC Three | drama television series | 2 | 21 |
| Burnistoun | British Broadcasting Corporation | sitcom | 3 | 19 |
| Burnside | ITV | police procedural | 1 | 6 |
| Bus Life | Disney Channel | — | 1 | 13 |
| Business Breakfast | BBC One | — | — | — |
| Business Centre Europe | Q1023911 | — | — | — |
| Business Daily | Channel 4 | — | — | — |
| Business Today | — | — | — | — |
| Business Today - NYSE Opening Bell | BBC News | — | — | — |
| Busman's Holiday | ITV | game show | 8 | 103 |
| Butterflies | BBC Two, British Broadcasting Corporation | sitcom | 4 | 30 |
| By Any Means | BBC One | docu-reality | — | 6 |
| By Any Means | — | drama television series | 1 | 6 |
| By the Sword Divided | BBC One | drama television series, historical television series | 2 | 20 |
| Bygones | — | — | — | — |
| Byker Grove | BBC One | LGBT-related television series | 18 | 344 |
| C.A.B. | ITV | — | — | 33 |
| C.A.T.S. Eyes | ITV | drama television series, detective television series | 3 | 30 |
| Cabbages and Kings | BBC One | — | 2 | — |
| Cabins in the Wild with Dick Strawbridge | — | reality television | — | — |
| Cadfael | ITV | drama television series, crime television series, historical drama | 4 | 13 |
| Café Continental | — | — | — | — |
| Calendar | — | — | — | — |
| Call Me a Cabbie | — | reality television | — | — |
| Call Me Mister | — | — | — | 10 |