| 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 Goes Wrong Show | BBC One | sitcom | — | — |
| The Gold (TV series) | BBC One | — | 2 | 12 |
| The Gold Robbers | — | — | — | — |
| 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 | — | — |
| The Great British Dig: History in Your Garden | More4 | — | — | — |
| The Great British Sewing Bee | BBC Two, BBC One | — | 7 | 55 |
| The Great British Story: A People's History | — | documentary film | 1 | 8 |
| The Great Egg Race | BBC One | — | — | 68 |
| The Great Interior Design Challenge | — | — | 4 | 43 |
| The Great Moghuls | Channel 4 | documentary television program | 1 | 6 |
| The Great Outdoors | BBC Four | sitcom | 1 | 3 |
| The Great Philosophers | British Broadcasting Corporation | talk show, philosophy | 1 | 15 |
| The Great Pottery Throw Down | BBC Two | reality show | 5 | 34 |
| The Great Train Robbery | BBC One | crime film | 1 | 2 |
| The Great War | BBC One | documentary film, documentary television program | — | 26 |
| The Greek Islands with Julia Bradbury | ITV | travel documentary | — | — |
| The Green Green Grass | BBC One | sitcom | 4 | 32 |
| The Green Man | BBC One | comedy film, horror film | 1 | 3 |
| The Green Planet | British Broadcasting Corporation | documentary film, documentary | — | 5 |
| The Grimleys | ITV | drama television series | — | 22 |
| The Grove Family | BBC One | soap opera | 3 | 56 |
| The Growing Pains of Adrian Mole | ITV | — | 1 | 6 |
| The Guardians | ITV | science fiction television series | 1 | 13 |
| The Gublins | — | — | — | — |
| The Guess List | — | comedy television series | 1 | 6 |
| The Guest | BBC One | — | — | — |
| The Hack | — | true crime | 1 | 7 |
| The Hairy Bikers Go North | — | — | — | — |
| The Hairy Bikers' Asian Adventure | BBC Two | cooking show | 1 | 6 |
| The Hairy Bikers' Cookbook | BBC Two | cooking show | 4 | 20 |
| The Hairy Bikers' Food Tour of Britain | BBC Two | cooking show | 1 | 30 |