| The Gambling Man | — | — | — | 3 |
| The Game | BBC America | thriller television series, espionage television series | 1 | 6 |
| The Game | Channel 5 | — | 1 | 4 |
| The Game of the Century | — | — | — | — |
| The Games | Channel 4 | reality television, game show | 4 | — |
| The Garage | Discovery Channel | reality television | 3 | 32 |
| The Gathering | — | — | — | 6 |
| The Gay Cavalier | ITV | — | 1 | 13 |
| The Gemma Factor | BBC Three | sitcom | 1 | 6 |
| The General | BBC One | documentary film | 2 | 61 |
| The Genie from Down Under | Australian Broadcasting Corporation | comedy television series, children's television series, fantasy television series | 2 | 26 |
| The Genius of Invention | — | documentary film | 1 | 4 |
| The Gentle Killers | — | drama television series | — | — |
| The Gentle Touch | ITV | crime television series, drama television series, police television drama | 5 | 56 |
| The Gentlemen | Netflix | action television series, comedy television series, crime television series | 2 | 16 |
| The Georgian House | ITV | science fiction television series | 1 | 7 |
| The Getaway Car | BBC One | game show | 1 | 12 |
| The Ghost Hunter | BBC One | children's television series | 3 | 18 |
| The Ghost Of Ivy Tilsley | — | documentary film, documentary television program | — | — |
| The Ghost Squad | Channel 4 | detective television series | 1 | 8 |
| The Ghostbusters of East Finchley | — | — | — | — |
| The Ghosts of Motley Hall | ITV | — | 3 | 20 |
| The Giblet Boys | ITV | — | 2 | 13 |
| The Giddy Game Show | — | — | 2 | 52 |
| The Ginger Tree | — | — | — | 4 |
| The Girl Before | BBC One | thriller | — | 4 |
| The Girl from Tomorrow Part II: Tomorrow's End | Nine Network | science fiction television series | 1 | 12 |
| The Girlfriend | Amazon Prime Video | drama television series, LGBT-related television series | — | — |
| The Girlie Show | Channel 4 | — | 2 | 12 |
| The Glam Metal Detectives | BBC Two | sitcom | 1 | 7 |
| The Glass Virgin | — | — | — | 3 |
| The Glittering Prizes | — | — | 1 | 6 |
| The Glums | — | — | — | — |
| The Gnomes of Dulwich | BBC One | sitcom | 1 | 6 |
| The Goal Rush | ITV | — | — | — |
| The Goes Wrong Show | BBC One | sitcom | — | — |
| The Gold (TV series) | BBC One | — | 2 | 12 |
| The Gold Robbers | — | — | — | — |
| The Gold: The Inside Story | — | — | — | — |
| The Golden Bowl | — | — | — | — |
| The Golden Cobra | — | — | — | — |
| The Golden Hour | ITV | drama television series | 1 | 4 |
| The Golden Shot | ITV | game show | — | — |
| The Good Guys | — | comedy drama | 2 | 16 |
| The Good Karma Hospital | ITV1 | — | 4 | 24 |
| The Good Life | BBC One | sitcom | 4 | 30 |
| The Good Mothers | Hulu | crime television series, drama television series | — | 6 |
| The Good Old Days | BBC One | — | 30 | 248 |
| The Good Sex Guide | ITV | erotica | — | — |
| The Good Ship Murder | — | — | 3 | 24 |
| The Goodies | BBC Two | sitcom, comedy television series | 9 | 74 |
| The Graham Norton Show | British Broadcasting Corporation | talk show, humor | 24 | 381 |
| The Grand Tour | Amazon Prime Video | magazine format program, automotive television show, entertainment television program, factual television program | 6 | 46 |
| The Granville Melodramas | — | — | — | — |
| The Gravy Train | Channel 4 | — | 1 | 4 |
| The Gravy Train Goes East | Channel 4 | — | 1 | 4 |
| The Great | Hulu | historical television series | 3 | 30 |
| The Great British Bake Off | BBC One, PBS | cooking show | 10 | 90 |
| The Great British Bake Off: An Extra Slice | BBC Two | — | 3 | 22 |
| The Great British Breakfast | GB News | morning show | — | — |