| Summer in Transylvania | Nickelodeon | children's television series, sitcom, fantasy television series | 1 | 20 |
| Summer of Rockets | BBC Two | drama television series | — | — |
| Summerhill | — | children's television series | — | 4 |
| Summerwater | — | — | — | — |
| Sun, Sex and Suspicious Parents | BBC Three | reality television | 3 | 22 |
| Sunburn | BBC One | — | 2 | 14 |
| Sunday Brunch | Channel 4 | cooking show | 6 | — |
| Sunday Feast | ITV1 | cooking show | — | — |
| Sunday Life | BBC One | — | 1 | 24 |
| Sunday Live with Adam Boulton | — | — | — | — |
| Sunday Morning Live | BBC One | — | — | — |
| Sunday Night Football | — | — | — | — |
| Sunday Night Theatre | BBC One | anthology series | — | 721 |
| Sunday Scoop | — | — | 1 | 10 |
| Sunday Side Up | — | — | 1 | 10 |
| Sunderland 'Til I Die | Netflix | documentary television program | 2 | 14 |
| Sunny's Ears | — | — | — | — |
| Sunnyside Farm | BBC Two | sitcom | 1 | 6 |
| Sunset Song | — | — | — | — |
| Sunshine | BBC One | comedy television series | — | 3 |
| SunTrap | BBC One | comedy television series | 1 | 6 |
| Supacell | — | drama television series | — | — |
| Super Gran | ITV | comedy television series | 2 | 27 |
| Super Happy Magic Forest | — | comedy television series, fantasy television series | — | — |
| Super League Show | BBC One | — | — | — |
| Supercar | ITV | science fiction television series | 2 | 39 |
| Supercar Megabuild | National Geographic | documentary film, reality television | 2 | 18 |
| Supernanny | Channel 4 | docu-soap, reality television | 5 | 29 |
| Supernatural | BBC One | anthology series | 1 | 8 |
| Supernatural Science | British Broadcasting Corporation | documentary film | 2 | 17 |
| Supernatural: The Unseen Powers of Animals | — | documentary film, documentary television program | — | — |
| Supernormal | CITV, Rai 3 | children's television series | 1 | — |
| Supernova | BBC Two | sitcom | 2 | 12 |
| Supersense | — | nature documentary | — | — |
| Supersize vs Superskinny | Channel 4 | — | 7 | 63 |
| Supersonic | — | — | — | — |
| Superstar | — | reality television | 1 | 12 |
| Superstar Dogs: Countdown to Crufts | — | — | 1 | 15 |
| Superstructures: Engineering Marvels | — | — | — | — |
| Supply & Demand | ITV1 | drama television series | 2 | 4 |
| Surgical Spirit | ITV | sitcom | 7 | 50 |
| Surprise Surprise | ITV1 | reality television | 14 | 128 |
| Surrey Hills | — | reality television | 1 | 8 |
| Survival | ITV | nature documentary | — | — |
| Survival in the Sky | — | docudrama, documentary film, drama film, documentary television film | — | — |
| Survival of the Fittest | ITV2 | reality television | — | 10 |
| Surviving America's Most Hated Family | — | documentary film | — | — |
| Surviving Disaster | — | documentary film, docudrama, documentary television program | 1 | 7 |
| Surviving Paradise | — | — | — | — |
| Survivor | ITV | reality television | 2 | 25 |
| Survivors | BBC One | science fiction television series, drama television series, post-apocalyptic television series | 3 | 38 |
| Survivors | BBC One | science fiction television series, drama television series, post-apocalyptic television series | 2 | 12 |
| Suspect | Channel 4 | — | 2 | 16 |
| Suspect: The Shooting of Jean Charles de Menezes | Disney+ | drama television series | — | 4 |
| Suspects | Channel 5 | crime film | 5 | 23 |
| Suspense | — | — | — | — |
| Suspicion | Apple TV | drama film, thriller film, crime film | 1 | 8 |
| Suspicion | — | — | — | — |
| Sutherland's Law | BBC One | — | 5 | 46 |
| Swag | Channel 5 | — | 2 | — |