| The Regiment | BBC One | — | 2 | 23 |
| The Reluctant Landlord | — | — | 2 | — |
| The Reluctant Romeo | BBC One | sitcom | 1 | 8 |
| The Reluctant Traveler | Apple TV | travel documentary | 3 | 23 |
| The Reluctant Vampire | — | — | — | — |
| The Repair Shop | British Broadcasting Corporation | documentary television program, reality television | — | — |
| The Replacement | BBC One | drama television series | 1 | 3 |
| The Responder | BBC One | police procedural | 2 | 10 |
| The Restaurant | BBC Two | reality television | 3 | 30 |
| The Restaurant Inspector | — | — | 2 | 12 |
| The Restoration Man | Channel 4 | — | 7 | 41 |
| The Return of the Antelope | — | — | — | — |
| The Return of the Borrowers | — | fantasy television program | — | — |
| The Return of the Psammead | — | — | — | — |
| The Revenge Club | Paramount+ | — | — | — |
| The Revenge Files of Alistair Fury | BBC One | — | 1 | 13 |
| The Revenue Men | — | — | 3 | 39 |
| The Review Show | BBC Two | — | — | — |
| The Revolting World of Stanley Brown | CBBC | sitcom | 1 | 13 |
| The Revolution Will Be Televised | BBC Three | comedy television series | 3 | 19 |
| The Richard Blackwood Show | Channel 4 | comedy television series | — | 23 |
| The Riddlers | — | fantasy television program, anthology series | — | — |
| The Ridge | BBC Two, BBC Scotland, Sky Open | psychological thriller | 1 | 6 |
| The Rig | Amazon Prime Video | — | 2 | 12 |
| The Ripper | Netflix | true crime | 1 | 4 |
| The Rise of the Murdoch Dynasty | — | — | — | — |
| The Rising | Q108084483 | — | 1 | 8 |
| The Rivals of Sherlock Holmes | ITV | anthology series, Sherlock Holmes television program, detective television series | 2 | 26 |
| The River | BBC One | sitcom | 1 | 6 |
| The Road Trip | Paramount+ | drama television series, romance television program, comedy television series | — | 6 |
| The Roads to Freedom | — | — | — | 13 |
| The Rob Brydon Show | BBC Two | talk show, comedy television series | 3 | 21 |
| The Robinsons | BBC Two | comedy television series | 1 | 6 |
| The Rock 'n' Roll Years | — | — | — | — |
| The Roly Mo Show | — | — | — | — |
| The Roman Invasion of Britain | — | documentary film | 1 | 3 |
| The Romantic Spirit | — | documentary film, documentary television program | — | — |
| The Ronnie Barker Playhouse | — | anthology series | — | 6 |
| The Ronson Mission | BBC Two | — | 1 | 6 |
| The Root of All Evil? | — | anthology series, drama television series | — | — |
| The Rough with the Smooth | — | — | — | — |
| The Route Masters: Running London's Roads | — | documentary film | 1 | 6 |
| The Roxy | ITV | — | 1 | — |
| The Roy Files | CBBC | — | — | 15 |
| The Royal | ITV1 | drama television series | 8 | 87 |
| The Royal Bodyguard | — | sitcom | 1 | 6 |
| The Royal House of Windsor | Channel 4 | historical television series | — | 6 |
| The Royal Today | — | drama television series | 1 | 50 |
| The Royal World | — | — | — | — |
| The Royalty | — | — | — | — |
| The Royle Family | BBC Two | sitcom | 3 | 25 |
| The Rubbish World of Dave Spud | — | — | — | — |
| The Runaway | Sky One | drama television series | 1 | 6 |
| The Russ Abbot Show | BBC One | comedy television series | — | — |
| The Russell Brand Show | Channel 4 | talk show | — | 5 |
| The Russell Howard Hour | Sky One | — | 4 | 21 |
| The Ruth Rendell Mysteries | ITV | drama television series | 11 | 84 |
| The Saint | ITV | crime television series, espionage television series | 6 | 118 |
| The Salisbury Poisonings | BBC One | drama television series | 1 | 4 |
| The Salon | — | reality television | 2 | 32 |