| The Story of Women and Art | BBC Two | documentary television program | — | 3 |
| The Sullavan Brothers | — | — | — | — |
| The Sunday Edition | ITV1 | — | — | — |
| The Third Man | — | — | — | 77 |
| The Tony Ferrino Phenomenon | — | — | — | — |
| The Totally Senseless Gameshow | BBC Three | game show | — | — |
| The Train Now Departing | British Broadcasting Corporation | documentary television program | — | 6 |
| The Trews | — | — | — | 366 |
| The truth about Killer Dinosaurs | — | — | — | 2 |
| The Two Charleys | — | — | — | — |
| The Tyrant King | — | — | — | — |
| The Virgin Diaries | — | — | — | 10 |
| The Weakest Link | BBC Two, BBC One | game show, quiz show | 13 | 1,693 |
| The Week That Wasn't | — | — | — | — |
| The Whistle-Blower | — | — | — | — |
| The World Today with Maryam Moshiri | BBC News | — | — | — |
| The Write Offs | Channel 4 | documentary television program | — | 2 |
| The X Factor | ITV | talent show, music program | 15 | 445 |
| The X Factor: Celebrity | ITV | talent show | 1 | 8 |
| The X Factor: The Band | ITV | talent show | 1 | 4 |
| Thin Ice | BBC One | — | — | — |
| Thirty Minutes Worth | — | — | — | — |
| This is Your Right | — | — | — | — |
| This is... | ITV | — | — | 4 |
| This Time Next Year | ITV | — | 1 | 6 |
| Three Families | — | — | — | — |
| Thumb Bandits | Channel 4 | — | 2 | 13 |
| Thursday the 12th | — | — | — | — |
| Tickle patch and friends | Channel 5 | — | 11 | — |
| Time Crashers | Channel 4 | — | 1 | — |
| Tipsextra | Sveriges Television | — | — | — |
| Tipslördag | TV4 | — | — | — |
| Tofu | — | documentary film | 1 | 8 |
| Tonight | — | — | — | — |
| Too Hot to Handle | Netflix | reality television, dating game show | 6 | 53 |
| Top Gear Winter Olympics | BBC Two | — | — | 1 |
| Top of the Box | Channel 5 | comedy, documentary | 1 | 4 |
| Top of the Pops | BBC One | music chart television program, music program | — | 2,260 |
| Total Rugby | — | sports television program | — | — |
| Totally Jodie Marsh | MTV | reality television | — | 9 |
| Totally Top Trumps | — | game show | 1 | 20 |
| Tottering Towers | — | — | — | — |
| Tour de Celeb | Channel 5 | — | 1 | 3 |
| Tour de France: Unchained | Netflix | documentary television program, cycle sport | 3 | 24 |
| Trailblazers | — | — | — | 14 |
| Training Dogs the Woodhouse Way | BBC Two | — | — | 10 |
| Treasure Houses of Britain | — | — | — | — |
| Trevor Phillips on Sunday | — | — | — | — |
| Trigonometry | BBC Two | — | — | — |
| Trinny & Susannah Undress the Nation | — | reality television | 2 | 13 |
| Trinny & Susannah Undress... | ITV1 | reality television | 2 | 9 |
| Trip Hazard: My Great British Adventure | — | — | — | — |
| TRL UK | MTV | — | — | — |
| TV Scrambles | British Broadcasting Corporation | — | — | — |
| TV-am | — | — | — | — |
| Two Men in a Trench | — | — | — | — |
| UK Top 40 | CBBC | — | 3 | — |
| UKHot40 | — | — | — | — |
| Unanimous | Channel 4 | — | — | 8 |
| Uncle Jack | BBC One | — | 4 | 24 |