| G Force | — | — | — | — |
| G'wed | — | — | — | — |
| G.B.H. | — | — | 1 | 7 |
| G@mers | Rapture TV, Information TV | — | — | — |
| Gadget Man | Channel 4 | — | 4 | 25 |
| Gadzooks! | — | — | — | — |
| Galapagos 3D | Sky 3D | documentary television program, nature documentary, documentary film | 1 | 3 |
| Galidor: Defenders of the Outer Dimension | YTV | science fiction television series | 2 | 26 |
| Galloping Galaxies! | — | — | 2 | 10 |
| Gallowglass | BBC One | — | 1 | 3 |
| Galápagos | BBC Two | nature documentary | — | 3 |
| Gambit | ITV | game show | 11 | 141 |
| Game for a Laugh | ITV, Das Erste | game show | 5 | 60 |
| Game of Wool: Britain's Best Knitter | — | — | — | — |
| Game On | BBC Two | sitcom | 3 | 18 |
| Game, Set and Match | ITV | drama television series | 1 | 13 |
| Game60 | XLEAGUE.TV | — | — | — |
| GameFace | Channel 4 | comedy drama | 2 | 12 |
| Gamepad | Bravo | — | 4 | — |
| Gamer.tv | — | — | — | 283 |
| Games Night | XLEAGUE.TV | — | — | — |
| Games Republic | .tv | game show | — | — |
| Games World | Sky One | — | 4 | — |
| GamesMaster | Channel 4 | — | 7 | 126 |
| Gamezville | — | — | 2 | 192 |
| Ganges | BBC Two | nature documentary | — | 3 |
| Gangs of London | Sky Atlantic, AMC+ | action television series, crime television series, drama television series | 3 | 25 |
| Gangsters | BBC One | — | 2 | 12 |
| Garden Rescue | BBC One | makeover reality television series | 8 | 255 |
| 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 | — | — | — | — |
| Gemma Collins: Diva Forever | — | — | — | — |
| Gemma Collins: Diva on Lockdown | — | — | — | — |
| Gems | — | — | — | 121 |
| General Hospital | ITV | soap opera | 6 | — |
| Generation Gifted | — | — | — | — |
| 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 |
| Geraldine: The Winner's Story | — | — | — | 1 |
| 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 Squad | — | — | 3 | 52 |
| 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 |
| Gibraltar: Britain in the Sun | Channel 5 | — | 3 | 15 |
| Gideon's Way | ITV | detective fiction | 1 | 26 |
| Gift Wrapped | — | game show | 1 | 10 |
| Gigglebiz | CBeebies | children's television series | 5 | 114 |
| GiggleQuiz | CBeebies | game show, children's television | 2 | 27 |
| Gimme 5 | ITV | — | 3 | 41 |
| Gimme a Break | BBC Two | — | 3 | — |
| Gimme Gimme Gimme | BBC Two | sitcom, LGBT-related television series | 3 | 19 |
| Gina's Laughing Gear | — | — | — | 10 |
| 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 |
| Girls Aloud: Off the Record | E4 | documentary television program, reality television | — | 6 |
| Girls in Love | ITV | sitcom, children's television series | 2 | 26 |
| Girls On Top | ITV | sitcom | 2 | 13 |
| Give a Pet a Home | ITV | — | 1 | 6 |
| Give Us a Break | — | — | — | — |
| Give Us a Clue | ITV | game show | 17 | 303 |
| Gladiators | ITV | game show | — | — |
| Gladiators | — | game show | 2 | — |
| Gladiators | — | game show | — | — |
| Glitterball | ITV1 | — | — | — |
| Global | BBC News | — | — | — |
| Globe Trekker | Channel 4 | documentary film, documentary television program | 17 | 218 |
| Globo Loco | ITV | — | 13 | 23 |
| Glow Up: Britain's Next Make-Up Star | — | reality television | 3 | 24 |
| Glue | E4 | drama television series, teen drama television | 1 | 8 |
| GMT | BBC News | — | — | — |
| GMTV News | GMTV | — | — | — |
| Gnostics | Channel 4 | documentary television program | 1 | 4 |
| Go Back to Where You Came From | — | — | — | — |
| Go for It | — | game show | 1 | 7 |
| Go Jetters | CBeebies | children's television series | 3 | 154 |
| Go With Noakes | BBC One | children's television series | 6 | 31 |
| Goal - Speak English, Play Football | — | — | 1 | 13 |
| Goalmouth | — | — | 4 | 35 |
| Goals on Sunday | ITV | — | — | 107 |
| God Shave the Queens | — | — | — | — |
| God's Gift | ITV | game show | 2 | 73 |
| God's Wonderful Railway | — | children's television series | — | — |
| Gods in the Sky | — | — | — | — |
| Gogglebox | Channel 4 | documentary television program | 4 | 41 |
| Gogs | British Broadcasting Corporation, S4C | — | 2 | 13 |
| Going A Bundle | Southern Television | children's television series | — | — |
| Going for a Song | — | — | — | — |
| Going for Gold | BBC One | game show | 10 | 703 |
| Going Straight | BBC One | sitcom | — | 6 |
| Going to Extremes | — | — | — | — |
| Going, Going, Gone | — | — | — | — |
| Gok Cooks Chinese | Channel 4 | — | 1 | 6 |
| Gold Fever | — | documentary film | — | — |
| Golden Balls | ITV1 | game show | 6 | 288 |
| Golden Pennies | — | — | — | — |
| Golden Years | — | sitcom | — | — |
| Goldie’s Oldies | Nickelodeon | — | — | — |
| Gone | ITV1 | crime television series, drama television series | 1 | 6 |
| Gone to Seed | — | — | — | 6 |
| Gone to the Dogs | — | drama television series | — | — |
| Good Girl | ITV Yorkshire | — | — | 6 |
| Good Morning Britain | ITV | — | 4 | 1,990 |
| Good Morning Britain | TV-am | — | — | — |
| Good Morning Sports Fans | — | — | — | — |
| Good Morning with Anne and Nick | BBC One | — | 4 | 600 |
| Good Omens | BBC Two, Amazon Prime Video | fantasy television series | 3 | 13 |
| Goodbye Again | — | — | — | — |
| Goodbye Cruel World | BBC One | — | — | 3 |
| Goodbye, Mr Kent | — | — | 1 | 7 |
| Goodness Gracious Me | BBC Radio 4, BBC Two | radio comedy, comedy television series | 3 | 20 |
| Goodnight and God Bless | — | — | — | — |
| Goodnight Sweetheart | BBC One, British Broadcasting Corporation | sitcom, science fiction television series | 6 | 58 |
| Gophers! | Channel 4 | children's television series | 1 | 13 |
| Gordon Behind Bars | Channel 4 | reality television, cooking show | 1 | 4 |
| Gordon Ramsay's Bank Balance | BBC One | game show | — | — |
| Gordon Ramsay's Future Food Stars | — | — | — | 16 |
| Gordon Ramsay's Home Cooking | — | — | — | — |
| Gordon Ramsay's Ultimate Cookery Course | Channel 4 | cooking show | 1 | 20 |
| Gordon Ramsay: Cookalong Live | Channel 4 | cooking show | 2 | 8 |
| Gordon the Garden Gnome | CBeebies | — | 1 | 44 |
| Gordon's Great Escape | Channel 4 | cooking show | 2 | 7 |
| Gordon, Gino and Fred: Road Trip | — | — | — | — |
| Gormenghast | BBC Two | — | 1 | 4 |
| Got Talent | NBC, ITV | reality television, talent show | — | — |
| Got to Dance | Sky One | — | 1 | 8 |
| Got What It Takes? | CBBC | talent show | 4 | 40 |
| Gower's Cricket Monthly | — | — | — | — |
| GPs: Behind Closed Doors | Channel 5 | factual television program | 7 | — |
| Grace | — | — | — | — |
| Grace & Favour | BBC One | sitcom, LGBT-related television series | 2 | 12 |
| Grady | — | — | — | — |
| Grafters | ITV | — | 2 | 16 |
| Graham Norton's Bigger Picture | BBC One | comedy television series | 3 | 24 |
| Graham's Gang | — | — | 2 | 10 |
| Grand Designs | Channel 4 | documentary television program | 20 | 160 |
| Grand Prix | BBC One | — | — | — |
| Grand Slam | — | game show | — | — |
| Grandma's House | BBC Two | sitcom, LGBT-related television series | 2 | 12 |
| Grandpa in My Pocket | CBeebies | comedy television series | 5 | 120 |
| Grandstand | BBC One | — | — | 3,500 |
| Grange Hill | BBC One | LGBT-related television series | 31 | 601 |
| Granite Harbour | — | — | — | — |
| Grantchester | ITV | drama television series | 11 | 75 |
| Grass | BBC Three | sitcom | 1 | 8 |
| Grasshopper Island | — | — | — | 12 |
| Gravelhanger | — | — | — | — |
| Grayson Perry: All Man | — | — | — | — |
| Grease: The School Musical | — | reality television | — | — |
| Great Alaskan Railroad Journeys | — | — | — | — |
| Great Asian Railway Journeys | BBC Two | documentary | — | 20 |
| Great Australian Railway Journeys | — | — | — | — |
| Great Barrier Reef | — | nature documentary | — | 3 |
| Great Barrier Reef | BBC One | nature documentary | 1 | 3 |
| Great British Garden Revival | — | documentary television program | 1 | 10 |
| Great British Ghosts | — | — | 2 | 21 |
| Great British Menu | BBC Two | cooking show, talent show | 11 | 499 |
| Great British Train Journeys From Above | — | documentary television program | — | — |
| Great Canadian Railway Journeys | BBC Two | — | — | — |
| Great Canal Journeys | — | — | — | — |
| Great Coastal Railway Journeys | — | — | — | — |
| Great Continental Railway Journeys | BBC Two | documentary film | 5 | 23 |
| Great Crimes and Trials | BBC Two | documentary film, documentary television program | 3 | 78 |
| Great Expectations | BBC One | period drama film | — | 12 |
| Great Expectations | — | — | — | — |
| Great Indian Railway Journeys | BBC Two | documentary | 1 | 4 |
| Great Night Out | — | — | 1 | 6 |
| Great Ormond Street | BBC Two | documentary film | 2 | 9 |
| Great Railway Journeys | BBC Two | documentary film | — | — |
| Great Railway Journeys of the World | BBC Two | documentary film | — | — |
| Great SAS Missions | — | documentary television program | — | — |
| Great Scott, It's Maynard | — | — | — | — |
| Greatest Events of WWII in Colour | — | — | — | — |
| Greece: The Hidden War | — | — | — | — |
| Green Balloon Club | CBeebies | — | 2 | 63 |
| Green Wing | Channel 4 | sitcom | 2 | 17 |
| Grenfell | — | — | — | 3 |
| Grey Mates | — | sitcom | 2 | 13 |
| Grim Tales | ITV, Katholieke Radio Omroep | fantasy television program | 2 | 22 |
| Grime & Punishment: Dirty Britain | Channel 5 | documentary television program | 2 | 17 |
| Grimefighters | — | documentary television program | 4 | 51 |
| Groove High | Disney Channel | comedy television series, teen drama television, teen sitcom, sitcom, musical film | 1 | 26 |
| Gross Up | — | reality television | 1 | 6 |
| Grotbags | ITV1 | — | 3 | 20 |
| Ground Force | BBC Two, BBC One | — | 12 | 97 |
| Grow Your Own Drugs | — | documentary film | 2 | — |
| Growing Pains | BBC One | — | 2 | 20 |
| Grown Ups | — | sitcom | 1 | 6 |
| Grownups | BBC Three | sitcom | 3 | 22 |
| Gruey | British Broadcasting Corporation | — | — | 25 |
| Grumpy Old Men | — | — | 3 | 14 |
| Grundy's Wonders | — | — | — | — |
| Grushko | — | — | — | 3 |
| Gudrun the Viking Princess | British Broadcasting Corporation | family film | 1 | 10 |
| Guerrilla | Sky Atlantic | drama television series | 1 | 6 |
| Guerrilla Homes | — | — | — | — |
| Guess This House | — | — | 1 | 25 |
| Guessable | Q1114052 | panel game | 2 | 20 |
| Guesstimation | BBC One | — | 1 | 8 |
| Guest Night | — | — | — | — |
| Guilty! | — | — | — | — |
| Guinness World Records Smashed | — | — | 1 | 12 |
| Guitar Star | — | — | 1 | 9 |
| Gunpowder | BBC One, British Broadcasting Corporation | historical drama | 1 | 3 |
| Gwaith/Cartref | S4C | — | 6 | 60 |
| Gwlad y Gân | — | — | — | — |
| Gypsy Girl | ITV | — | 1 | 7 |