| Sri Lanka's Killing Fields: War Crimes Unpunished | Channel 4 | documentary film, documentary television program | — | 1 |
| Sri Lanka: The Search for Justice | — | documentary film | — | — |
| St. Ives | — | — | — | — |
| Stacey Dooley Sleeps Over | — | — | — | — |
| Stag | BBC Two | comedy television series | 1 | 3 |
| Stage | Manoto | talent show, reality show | — | — |
| Stage 2 | — | — | — | — |
| Staged | BBC One | comedy television series | 2 | 15 |
| Stags | — | — | — | — |
| Stake Out | — | game show | 1 | 30 |
| Stalked: Murder in Slow Motion | — | — | — | — |
| Stan Lee's Lucky Man | Sky One | drama television series, crime television series | 3 | 28 |
| Stand by to Shoot | — | — | — | — |
| Stand Up for the Week | Channel 4 | — | 5 | 42 |
| Stand Up to Cancer UK | Channel 4 | — | — | 2 |
| Standing Room Only | BBC Two | — | 4 | 32 |
| Stanley Park | BBC Three | comedy drama | — | 1 |
| Star | — | children's television series | 1 | 13 |
| Star for a Night | BBC One | talent show | 2 | — |
| Star Hill Ponies | British Broadcasting Corporation | — | 2 | 26 |
| Star Maidens | ITV, Das Erste | science fiction television series, drama television series | 1 | 13 |
| Star Portraits with Rolf Harris | British Broadcasting Corporation | — | 3 | 23 |
| Star Stories | Channel 4 | — | 3 | 15 |
| Star Test | Channel 4 | talk show | 3 | 44 |
| Star Treatment | — | — | 1 | 15 |
| Stargazing Live | BBC Two | popularisation of science | 6 | 18 |
| Starhyke | Showcase TV | science fiction television series, sitcom | 1 | 6 |
| Starlight | BBC One | — | — | — |
| Starlings | — | comedy drama | 2 | 16 |
| Starr and Company | — | — | — | 77 |
| Stars and Garters | — | — | — | — |
| Stars in Fast Cars | BBC Three, BBC Two | — | — | 10 |
| Stars in Their Eyes | ITV1 | — | 17 | 218 |
| Stars on Sunday | ITV | — | — | — |
| Starstreet | ITV | — | 2 | 26 |
| Starstrider | ITV | game show | 2 | 26 |
| Starstruck | BBC Three | comedy | 3 | 18 |
| Starstruck | ITV | — | — | — |
| Starting Out | — | — | — | — |
| State of Play | BBC One | drama television series | 1 | 6 |
| State of the Nation | — | — | — | — |
| State of the Planet | BBC One | documentary television program | — | 3 |
| State of the Union | Sundance TV | comedy drama | 2 | 20 |
| Stath Lets Flats | Channel 4 | — | — | — |
| Station X | — | — | — | — |
| Stay Close | Netflix | crime television series, psychological thriller | 1 | 8 |
| Stay Lucky | ITV | drama television series | 4 | 27 |
| Stay Tooned! | — | — | 5 | — |
| Stay with Me Till Morning | — | — | — | — |
| Staying Alive | — | — | 2 | 12 |
| Steal | — | game show | 1 | 12 |
| Steam Days | BBC Two | documentary television program | — | 6 |
| Steel River Blues | ITV | drama television series | 1 | 7 |
| Steeltown Murders | BBC One | factual television program, drama television series | 1 | 4 |
| Stella | — | comedy drama | — | 51 |
| Step Inside | CBeebies | — | — | 50 |
| Step Up to the Plate | BBC One | cooking show | — | — |
| Steph and Dom's One Star to Five Star | Channel 4 | — | 1 | 30 |
| Steph's Packed Lunch | — | — | — | — |
| Stephen | — | — | — | — |