Index U
U is for... Underscore - Constant background music played at a low but audible volume for the purpose of heightening dramatic tension.
Shows
| Title | Genre |
| The Ultimate West Wing Challenge | Quiz, themed (West Wing) |
| Ultra Quiz | Quiz, general knowledge |
| Unanimous | Reality |
| Undercover Lovers | Dating |
| Under Manning | Comedy panel game |
| Under Offer | Panel game |
| Under Pressure | Sports |
| University Challenge | Quiz, academic |
| Upshot | Quiz, general knowledge |
