| Redwater | BBC One | — | 1 | 6 |
| Reel History of Britain | — | documentary film | — | — |
| Reflex | BBC One | — | 1 | 6 |
| Regency House Party | — | reality television | 1 | 8 |
| Reggie Perrin | BBC One | sitcom | 2 | 12 |
| Reilly, Ace of Spies | ITV | crime television series, drama television series | — | 12 |
| Relative Strangers | — | — | — | — |
| Release the Hounds | ITV2 | — | 4 | 23 |
| Rellik | BBC One | drama television series | 1 | 6 |
| Remember Me | BBC One | — | 1 | 3 |
| Remotely Funny | BBC Children's and Education | — | 1 | 20 |
| Renegade Nell | Disney+ | historical fantasy, adventure fiction, action television series | 1 | 8 |
| Renford Rejects | Nickelodeon | teen sitcom | 4 | 52 |
| Rep | — | — | — | — |
| Reported Missing | BBC One | — | — | — |
| Reporters | BBC News | — | — | — |
| Reporting Scotland | BBC One Scotland | — | — | — |
| Representing Border | — | — | — | — |
| Requiem | BBC One | thriller television series | 1 | 6 |
| Rescue | ITV | documentary film | 1 | 13 |
| Rescue Robots | ITV | game show | 1 | — |
| Residue | Netflix | science fiction television series, thriller television series, drama television series, horror television series | 1 | 3 |
| Respect | — | documentary television program | — | — |
| Respectable | Channel 5 | sitcom | 1 | 6 |
| Restoration | British Broadcasting Corporation | documentary film | — | — |
| Restoration Home | — | reality television | 3 | 20 |
| Results Service | — | — | — | — |
| Return of the Saint | ITV | action television series, crime television series, adventure television series | 1 | 24 |
| Return to River Cottage | Channel 4 | cooking show | — | 6 |
| Return to Treasure Island | Disney Channel | — | 1 | 10 |
| Reunion | — | drama television series | — | — |
| Rev. | BBC Two | sitcom | 3 | 19 |
| Revelations | ITV | soap opera | 2 | 37 |
| Revolting (TV series) | — | comedy television series | — | 5 |
| Rewarding | — | — | — | — |
| Rex the Runt | BBC Two | — | 2 | 26 |
| Rhod Gilbert's Work Experience | BBC One Wales | — | 9 | 27 |
| Rhodes | BBC One | drama television series, LGBT-related television series | 1 | 8 |
| Rhona | BBC Two | sitcom, LGBT-related television series | — | — |
| RI:SE | Channel 4 | — | 2 | — |
| Rich Hall's Cattle Drive | BBC Four | sitcom | — | 6 |
| Rich Hall's Fishing Show | — | comedy television series | 1 | 6 |
| Rich House Poor House | Channel 5 | — | — | — |
| Rich Kids Go Skint | 5Star | documentary | — | — |
| Rich, Famous and in the Slums | BBC One | documentary film | 1 | 2 |
| Richard & Judy | Channel 4 | talk show | — | 1,215 |
| Richard Bacon's Beer & Pizza Club | — | — | 2 | 20 |
| Richard E. Grant's Hotel Secrets | — | — | — | — |
| Richard Hammond Meets Evel Knievel | BBC Two | documentary film | — | — |
| Richard Hammond's 5 O'Clock Show | ITV | — | — | 30 |
| Richard Hammond's Blast Lab | BBC Two | — | 4 | 52 |
| Richard Hammond's Engineering Connections | National Geographic | documentary film, documentary television program | 3 | 16 |
| Richard Hammond's Invisible Worlds | BBC One | documentary film | 1 | 3 |
| Richard Hammond's Workshop | — | — | — | — |
| Richard Osman's House of Games | BBC Two | game show | 1 | — |
| Richard the Lionheart | ITV | children's television series | 1 | 39 |
| Riches | Amazon Prime Video, ITVX | — | 1 | 6 |
| Ricky Gervais' Alley Cats | Netflix | adult animated television series, comedy drama | — | — |
| Riddiculous | ITV | game show | — | — |
| Rides | BBC One | drama fiction | 2 | 12 |