| Gardeners' World | British Broadcasting Corporation | gardening television series | — | — |
| Garrow's Law | BBC One | drama television series | 3 | 12 |
| Garry Halliday | BBC One | — | — | 50 |
| Garth Marenghi's Darkplace | Channel 4 | sitcom, science fiction television series | 1 | 6 |
| Gary: Tank Commander | — | sitcom | 3 | 18 |
| Gash | — | — | — | — |
| Gaslight Theatre | — | — | — | — |
| Gastank | — | — | — | — |
| Gates | — | sitcom | 1 | 5 |
| Gavin & Stacey | BBC Three | sitcom | 3 | 20 |
| Gay Life | — | LGBT-related television series | — | — |
| Gaytime TV | BBC Two | LGBT-related television series | 4 | 29 |
| Gears and Tears | — | documentary film | 1 | 6 |
| Gecko's Garage | — | — | — | — |
| Gemma Collins: Diva | — | — | — | — |
| Gems | — | — | — | 121 |
| General Hospital | ITV | soap opera | 6 | — |
| Generation Z | Channel 4 | — | — | 6 |
| Genie in the House | Nickelodeon | sitcom | 4 | 78 |
| Genius | BBC Two | comedy television series | 2 | 12 |
| Genius of Britain | — | documentary film, documentary television program | 1 | 5 |
| Gentleman Jack | BBC One, HBO | period drama film, LGBT-related television series, historical fiction | 2 | 16 |
| Gentlemen and Players | ITV | — | 2 | 13 |
| Geordie Racer | — | — | — | 10 |
| Geordie Shore OGs | — | — | — | — |
| George and Mildred | ITV | sitcom | 5 | 38 |
| George and the Dragon | ITV | sitcom | 4 | 26 |
| George Clarke's Amazing Spaces | Channel 4 | documentary television program | — | 16 |
| Get 100 | BBC Two | — | 2 | 82 |
| Get Back | BBC One | sitcom | 2 | 15 |
| Get Even | BBC iPlayer | thriller television series, teen drama television | — | — |
| Get It Together | — | children's television series | 7 | 87 |
| Get Lost! | ITV | — | 1 | 4 |
| Get Millie Black | — | — | — | — |
| Get Real | ITV | sitcom | 1 | 7 |
| Get Some In! | ITV | sitcom | 5 | 34 |
| Get Squiggling | CBeebies | children's television series | 2 | 50 |
| Get Well Soon | BBC One | sitcom | 1 | 6 |
| Get Your Act Together | — | — | 1 | 6 |
| Get Your Act Together with Harvey Goldsmith | Channel 4 | reality television | 1 | 6 |
| Get Your Own Back | BBC One | — | 14 | 190 |
| Getting On | BBC Four | sitcom | 3 | 15 |
| Gharbar | — | — | — | — |
| Ghost Train | ITV | — | 3 | 63 |
| Ghosthunting With... | ITV2 | — | — | 12 |
| Ghosts | BBC One | sitcom, comedy television series, fantasy television series, science fiction television series | 5 | 34 |
| Ghosts | BBC One | — | 1 | 6 |
| Ghostwriter | Fox Kids, PBS | fantasy television series | 3 | 74 |
| Gideon's Way | ITV | detective fiction | 1 | 26 |
| Gift Wrapped | — | game show | 1 | 10 |
| Gigglebiz | CBeebies | children's television series | 5 | 114 |
| Gimme 5 | ITV | — | 3 | 41 |
| Gimme a Break | BBC Two | — | 3 | — |
| Gimme Gimme Gimme | BBC Two | sitcom, LGBT-related television series | 3 | 19 |
| Gino's Italian Escape | — | — | 4 | 18 |
| Giri/Haji | BBC Two | detective fiction | — | 8 |
| Girl Friday | — | documentary film, reality television | — | — |
| Girl Taken | — | — | — | — |
| Girlfriends | ITV1 | drama television series | — | 6 |
| Girlfriends | ITV2 | — | 2 | 16 |