| The Benny Hill Show | British Broadcasting Corporation | comedy television series | 19 | 111 |
| The Best | — | — | — | — |
| The Best of Magic | ITV | panel game | 2 | 9 |
| The Bi Life | E! | — | — | 10 |
| The Big Art Project | Channel 4 | documentary television program | — | 4 |
| The Big Breakfast | Channel 4 | — | — | 2,482 |
| The Big Cases | — | crime documentary | — | 51 |
| The Big Family Cooking Showdown | BBC Two | — | 1 | — |
| The Big Fight Live | ITV1 | — | — | — |
| The Big Flower Fight | Netflix | reality television | — | — |
| The Big Impression | BBC One | comedy television series | 4 | 25 |
| The Big Narstie Show | — | — | — | — |
| The Big One | Channel 4 | — | — | 7 |
| The Big Painting Challenge | BBC Two | — | 3 | 18 |
| The Big Performance | BBC Children's and Education | — | 2 | 24 |
| The Big Pull | British Broadcasting Corporation | science fiction television series | 1 | 6 |
| The Big Question | — | — | — | — |
| The Big Questions | BBC One | — | 10 | — |
| The Big Quiz | — | game show | — | 4 |
| The Big Reunion | ITV2 | documentary television program | 2 | 21 |
| The Big Spell | — | game show | 1 | 8 |
| The Big Time | BBC One | documentary film, reality television | 3 | 15 |
| The Big Trip Travel show | — | — | — | 15 |
| The Biggest Game in Town | ITV | game show | 1 | 90 |
| The Biggest Loser | — | — | 5 | 80 |
| The Bill | ITV | police procedural, drama television series | 26 | 2,412 |
| The Bingo Club | — | — | — | — |
| The Bionic Vet | BBC One | documentary film, reality television | 1 | 6 |
| The Bisexual | Channel 4 | drama television series, comedy television series, LGBT-related television series | 1 | 6 |
| The Biz | BBC One | drama fiction | 3 | 24 |
| The Black and White Minstrel Show | British Broadcasting Corporation | variety show, minstrel show | — | — |
| The Blackheath Poisonings | — | — | — | — |
| The Blame Game | — | panel game | — | — |
| The Bleak Old Shop of Stuff | BBC Two | comedy television series | 1 | 4 |
| The Bletchley Circle | ITV | crime television series, drama television series | 2 | 7 |
| The Blind Date | — | — | — | 2 |
| The Block | ITV | game show | — | — |
| The Bloody Mary Show | — | — | 1 | 7 |
| The Blue Planet | BBC One | nature documentary | 1 | 8 |
| The Bob Monkhouse Hour | — | — | — | — |
| The Body Farm | BBC One | detective fiction | 1 | 6 |
| The Body in Question | — | non-fiction | 1 | 13 |
| The Body Shocking Show | E4 | — | 1 | 8 |
| The Bombing of Pan Am 103 | BBC One | drama television series | 1 | 6 |
| The Book Group | Channel 4 | comedy drama, sitcom, LGBT-related television series | 2 | 12 |
| The Book Quiz | — | panel game | — | — |
| The Book Tower | ITV | — | 11 | 87 |
| The Boot Street Band | — | — | — | — |
| The Borderers | BBC Two | drama television series | 2 | 26 |
| The Borgias | BBC Two | — | 1 | 10 |
| The Borrowers | BBC Two | fantasy television program | 1 | 16 |
| The Bounder | — | sitcom | 2 | 14 |
| The Box | ITV1, ITVX | — | — | — |
| The Box | BBC One | — | 1 | 25 |
| The Boy Merlin | — | drama television series | 1 | 6 |
| The Boys and Mrs B | — | — | — | — |
| The Brack Report | — | — | — | — |
| The Brain Drain | — | panel game | — | — |
| The Brains Trust | — | — | — | — |
| The Brian Conley Show | ITV | — | 7 | 53 |