| The Jonathan Ross Show | — | talk show | 13 | 160 |
| The Joy of Teen Sex | Channel 4 | — | 2 | — |
| The Joy of Text | BBC One | documentary film | — | — |
| The Julie Andrews Hour | ITV | variety show | 1 | 24 |
| The Jump | Channel 4 | — | 4 | 24 |
| The Jump | — | — | — | — |
| The Jury | ITV | drama television series | 2 | 6 |
| The Jury: Murder Trial | — | — | — | — |
| The Justin Lee Collins Show | ITV2 | — | — | — |
| The K Factor | — | — | — | 7 |
| The Karen Dunbar Show | BBC One Scotland | sitcom | 4 | 22 |
| The Keith & Paddy Picture Show | — | — | — | 11 |
| The Keith Barret Show | BBC Two | comedy television series | 2 | 13 |
| The Keith Harris Show | — | — | — | — |
| The Keith Lemon Sketch Show | ITV2 | — | 2 | 12 |
| The Kennedys | BBC One | — | 1 | 6 |
| The Kenny Everett Television Show | — | — | — | — |
| The Kenny Everett Video Show | ITV | — | 4 | 32 |
| The Kevin Bishop Show | Channel 4 | comedy television series | 2 | 12 |
| The Kids Are All Right | BBC One | game show | 1 | 8 |
| The Kids from 47A | ITV | — | 3 | 41 |
| The Killing Kind | — | — | — | — |
| The King Is Dead | BBC Three | panel game, comedy television series | 1 | 7 |
| The Kit Curran Radio Show | ITV | — | 2 | 12 |
| The Knock | ITV | drama television series | 5 | 35 |
| The KNTV Show | — | — | — | — |
| The Krankies Elektronik Komik | — | — | 3 | — |
| The Krankies Klub | ITV | — | 1 | 8 |
| The Krypton Factor | ITV | game show | 20 | 254 |
| The Kumars at No. 42 | BBC Two | comedy television series | 7 | 52 |
| The Kylie Show | — | — | — | 1 |
| The Labours of Erica | ITV | sitcom | 2 | 12 |
| The Lady | — | — | — | — |
| The Lady Is a Tramp | Channel 4 | — | — | 13 |
| The Lakes | BBC One | — | 2 | 14 |
| The Larkins | ITV | comedy drama | 2 | 13 |
| The Larkins | ITV | sitcom | 6 | 40 |
| The Last Bus | — | adventure television series, drama television series | — | — |
| The Last Chancers | — | — | — | — |
| The Last Detective | ITV | drama television series, crime television series | 4 | 17 |
| The Last Enemy | BBC One | drama fiction | 1 | 5 |
| The Last Kingdom | BBC Two | historical drama | 6 | 46 |
| The Last Leg | Channel 4 | late-night talk show | 10 | 157 |
| The Last Man Out | — | — | — | — |
| The Last Millionaire | — | reality television | 1 | 6 |
| The Last of the Baskets | ITV | sitcom | 2 | 13 |
| The Last Panthers | Sky Atlantic | crime television series | 1 | 6 |
| The Last Place on Earth | ITV Central | drama television series | 1 | 7 |
| The Last Post | BBC One | drama television series | 1 | 6 |
| The Last Salute | — | — | — | — |
| The Last Train | ITV | science fiction television series, post-apocalyptic television series, drama television series | 1 | 6 |
| The Last Weekend | — | drama television series | 1 | 3 |
| The Late Edition | BBC Four | — | — | — |
| The Late Show | BBC Two | — | — | — |
| The Late, Late Breakfast Show | BBC One | game show | 5 | 77 |
| The Lateish Show with Mo Gilligan | — | — | — | — |
| The Laughter Show | BBC One | comedy television program | 8 | 51 |
| The Lavender List | — | — | — | — |
| The Law of the Playground | Channel 4 | — | 2 | 13 |
| The League of Gentlemen | BBC Two | comedy television series, LGBT-related television series | 3 | 19 |