Index 0-9
The number... 433 was the perfect score on Fifteen-to-One. Despite a few near-misses, it was only ever achieved once in the entire run of the show.
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Shows
| Title | Genre |
| 0 Ond 1 | Quiz, travel, regional (Wales) |
| 100 Grand in 100 Minutes | Radio, lifestyle |
| 100% | Quiz, general knowledge |
| 15-to-1 | Quiz, general knowledge |
| 1 2 Stri | Academic quiz |
| 1 vs 100 | Quiz, general knowledge |
| 19 Keys | Quiz, general knowledge |
| 2000 to 1 | Quiz, general knowledge |
| 24 Hour Quiz | Quiz, general knowledge |
| 29 Minutes of Fame | Comedy panel game |
| 3-2-1 | Family game show |
| 50/50 | Childrens |
| 5 Go Dating | Dating |
| The 64,000 Question | Quiz, general knowledge |
| The 64,000 Dollar Question | Quiz, general knowledge |
| 8 Out of 10 Cats | Comedy panel game |
| The 8:15 from Manchester | Childrens (see: The Wetter the Better) |
| 9 Live Quiz TV | Puzzle |
| The 1970s Office | Reality |
| The 99p Challenge | Radio, comedy panel game |
