Index L
L is for... Lock out - The electronics mechanism in a buzzer system that disables the other buzzers once the first contestant has pressed their signalling button.
Shows
| Title | Genre |
| Lab Rats | Science |
| Ladette to Lady | Lifestyle, reality |
| Ladies Excuse Me | Radio, panel game |
| Landmark | Regional (South West) quiz |
| Last Chance Lottery | Stunt/dare show |
| Last Man Standing | Action/adventure show, sports |
| The Late Late Breakfast Show | Stunt/dare show |
| Late Night Poker | Sports |
| Late Night Poker Ace | Sports |
| Late Night Poker Masters | Sports |
| Late Night Quiz | Regional (South) quiz |
| Laughlines | Panel game |
| The Law Game | Radio, panel game |
| Legal Brain | Quiz, themed (the law) |
| Let Me Entertain You | Variety |
| Let's Do the Show Right Here | Radio, panel game |
| Liar | Panel game |
| Lie Detector | |
| Lifelines | Panel game |
| Life's a Punt | Lifestyle |
| Lingo | Puzzle |
| Little Monsters | Stunt/dare show |
| The Look of Lurve | Dating |
| Looks Familiar | Panel game |
| Look Sharp! | Childrens |
| Look Where You're Going | |
| Lose a Million | Family game show |
| Lost | Action/adventure show |
| Love at First Sight | Dating |
| Love Bites | Family game show, dating show |
| Love Bus | Reality, regional (South West England]] |
| Love Island | Reality |
| Love Match UK | Dating |
| Love Me Do | Dating |
| Love Me, Love Me Not | Dating |
| Loves Like a Dog | Panel game |
| Love on a Saturday Night | Dating |
| Lucky Ladders | Puzzle |
| Lucky Numbers (1) | Family game show |
| Lucky Numbers (2) | Quiz, general knowledge |
| Lucky 13 | Radio, Quiz, general knowledge |
| The Lyrics Game | Panel game |
