| The Choir: Sing While You Work | BBC Two | — | 2 | 14 |
| The Chrissy B Show | — | — | — | — |
| The Christians | NTR | drama television program | 1 | 13 |
| The Chronicles of Narnia | BBC One | children's television series, fantasy television series | 3 | 18 |
| The Chrystal Rose Show | ITV | — | — | — |
| The Churchills | Channel 4 | — | 1 | 3 |
| The Circle | Channel 4 | — | — | — |
| The Circle | — | — | — | — |
| The Citadel | British Broadcasting Corporation | drama television series | — | 10 |
| The Citadel | — | drama television series | — | 9 |
| The City and the City | BBC Two | science fiction television series, drama television series | 1 | 4 |
| The City Gardener | — | — | — | — |
| The City Uncovered with Evan Davis | — | documentary film | 1 | 3 |
| The Clairvoyant | BBC Two | — | 1 | 6 |
| The Cleaner | BBC One, British Broadcasting Corporation | sitcom | 1 | 6 |
| The Clifton House Mystery | — | — | 1 | 6 |
| The Cloning of Joanna May | — | — | — | — |
| The Clothes Show | BBC One | — | — | — |
| The Club | ITV, ITV2 | reality television | 1 | 2 |
| The Cockfields | — | — | — | — |
| The Code | BBC Two | documentary film | 1 | 3 |
| The Code | BBC One | — | 1 | 25 |
| The Code-Breakers | — | documentary film | — | — |
| The Collection | Amazon Prime Video | drama film | 1 | 8 |
| The Collectors | British Broadcasting Corporation | — | 1 | 10 |
| The Comedians | ITV | comedy television series | 12 | 81 |
| The Comedy Annual | — | — | — | 2 |
| The Comic Side of 7 Days | — | comedy television series | — | — |
| The Comic Strip | Channel 4 | comedy television series | 5 | 42 |
| The Coming War on China | — | documentary film | — | — |
| The Commander | ITV | drama television series | 5 | 16 |
| The Common Denominator | Channel 4 | game show | 1 | 39 |
| The Common Room | — | — | — | — |
| The Complete and Utter History of Britain | London Weekend Television | — | — | 6 |
| The Complete Guide to Parenting | — | comedy drama | — | — |
| The Completely Made-Up Adventures of Dick Turpin | Apple TV | comedy | 1 | 6 |
| The Computer Programme | BBC Two | — | — | 10 |
| The Conspiracy Files | — | documentary television program | — | 9 |
| The Context | BBC News, BBC Four | news | — | — |
| The Control Room | — | drama film | — | — |
| The Convention Crasher | Channel 4 | documentary film, documentary television program | 1 | 4 |
| The Cook Report | ITV | documentary television program | — | 118 |
| The Cool Stuff Collective | ITV | — | 3 | 39 |
| The Cops | BBC Two | drama television series | 3 | 24 |
| The Coroner | BBC One | drama | 2 | 20 |
| The Corridor People | — | drama television series | 1 | 4 |
| The Count of Monte Cristo | — | — | — | 12 |
| The Count of Monte Cristo | — | — | — | — |
| The Country House Revealed | BBC Two, British Broadcasting Corporation | documentary film | — | 6 |
| The Couple Next Door | Channel 4 | psychological thriller | 2 | 12 |
| The Courtney Act Show | — | — | — | — |
| The Courtroom | Channel 4 | — | — | 38 |
| The Crane Gang | — | documentary film | 1 | 3 |
| The Crash Detectives | BBC One Wales | — | — | — |
| The Crazy Rulers of the World | — | — | — | — |
| The Creatives | — | — | — | — |
| The Crime of the Century | British Broadcasting Corporation | drama film | — | — |
| The Crimson Field | — | — | 1 | 6 |
| The Crouches | BBC One | sitcom | 2 | 12 |
| The Crow Girl | Paramount+ | crime television series | 1 | 6 |