Index K
K is for... Klaxon - Harsh-sounding buzzer which indicates the end of a playing period or an incorrect answer.
Shows
| Title | Genre |
| Karaoke Challenge | Variety |
| Kathy's Quiz | Childrens |
| Keep It in the Family | Quiz, general knowledge |
| Keeping Up with the Joneses | Lifestyle |
| Keep Your Enemies Close | Childrens |
| Keep Your Hair On | Childrens |
| Keith Lemon's Celebrity Juice | Comedy panel game (celebrity) |
| Kerwhizz | Childrens |
| Keynotes | Quiz, themed (music) |
| A Kick in the Ballots | Panel game |
| Kick Off Quiz | Quiz, themed (sports) |
| Kick Start | Sports |
| Kicked into Touch | Regional (South) general knowledge / themed quiz (sports) |
| The Kids Are All Right | Quiz, general knowledge |
| The King is Dead | Comedy panel game |
| King of the Castle | Quiz, general knowledge |
| King Stupid | Radio, comedy panel game |
| Kings of Comedy | Reality |
| Kitchen Burnout | Reality |
| Kitchen Criminals | Lifestyle, reality |
| Kitchen Showdown | Lifestyle |
| Kitchen Sink to Catwalk | Reality |
| Knightmare | Childrens |
| Knock Knock | Childrens |
| The Knockout Quiz | Childrens |
| Knock Your Block Off | Childrens |
| Know Your Onions | Panel game |
| Know Your Partner | Family game show |
| Know Your Place | Regional (Midlands) quiz |
| Knowitalls | Specialist subjects quiz |
| The Krypton Factor | Action/adventure |
