Index J
J is for... Jackpot - A very large prize, usually money, given to the winner of the end game. A progressive jackpot increases in size each time the jackpot is not won.
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Shows
| Title | Genre |
| Jacpot | Quiz, regional (Wales) |
| Jade's PA | Reality |
| Jailbreak | Action/adventure |
| Jazz Score | Quiz, themed (music) |
| Jeopardy! | Quiz, general knowledge |
| Jersey Knockout Quiz | Quiz, regional (Channel Islands) |
| Jet Set | Quiz, general knowledge |
| Jet Set Departure Lounge | Quiz, general knowledge |
| Jeux Sans Frontieres | Action/adventure |
| Jigsaw (1) | Childrens |
| Jigsaw (2) | Puzzle |
| Jo Brand's Hot Potatoes | Comedy panel game |
| Joe Millionaire UK | Reality |
| Johnny Ball Games | Family game show |
| The Johnny Vegas Gameshow | Stunt/dare show |
| Joker in the Pack | Variety |
| Joker's Wild | Comedy panel game (jokes) |
| Judgemental | Quiz, general knowledge |
| Judgement Day | Family game show |
| Juke Box Jury | Panel game |
| The Jules and Lulu Show | Lifestyle |
| Jumble | Puzzle |
| Jumpers for Goalposts | Comedy panel game (football) |
| Jungle Run | Childrens |
| Junior Criss Cross Quiz | Quiz, general knowledge |
| Junior Kick Start | Sports |
| Junior Masterchef | Lifestyle |
| Junior Mastermind | Quiz, general knowledge |
| Junior Pot Black | Sports |
| Junkyard Wars | Technological |
| Just a Minute | Panel game, radio |
| Just the Two of Us | Variety |
| Just Up Your Street | Variety, regional (Wales) |
