| You've Been Framed! | ITV | — | 30 | 471 |
| You, Me & Them | — | comedy | — | — |
| You, Me and the Apocalypse | Sky One, NBC | comedy drama, science fiction television series | 1 | 10 |
| Young Apprentice | BBC One | reality television | 3 | 22 |
| Young at Heart | — | — | 1 | 8 |
| Young Charlie Chaplin | — | — | — | 6 |
| Young Dracula | BBC One | children's television series, vampire television program | 5 | 66 |
| Young Hyacinth | BBC One | comedy film | — | 1 |
| Young James Herriot | BBC One | — | 1 | 3 |
| Young Nation | — | — | — | — |
| Young Scientists of the Year | BBC One | — | 14 | 14 |
| Young Sherlock | Amazon Prime Video | action television series, adventure television series, mystery television series | 1 | 8 |
| Young Sherlock: The Mystery of the Manor House | — | police film | 1 | 8 |
| Young Wallander | Netflix | drama | 2 | 12 |
| Young, Dumb and Living Off Mum | BBC Three | reality television | 3 | 18 |
| Young, Gifted and Broke | ITV | — | 1 | 7 |
| Young, Nazi and Proud | Channel 4 | — | 1 | 1 |
| Youngers | E4 | comedy drama | 2 | 16 |
| Your Face Sounds Familiar | ITV | talent show, reality television | 1 | 6 |
| Your Home in Their Hands | BBC One | — | 1 | 6 |
| Your Home Made Perfect | — | — | — | — |
| Your Life in Their Hands | — | documentary film | — | — |
| Your Mother Wouldn't Like It | ITV | — | — | — |
| Your News | — | — | — | — |
| Your Wardrobe | — | — | — | — |
| Yunnan Adventure with Nigel Marven | Eden | — | — | — |
| Yus, My Dear | London Weekend Television | sitcom | 2 | 19 |
| Z-Cars | British Broadcasting Corporation | police procedural, drama television series | 12 | 801 |
| Zapped | — | sitcom | 1 | 3 |
| Zastrozzi, A Romance | — | — | — | 4 |
| Zen | BBC One | drama television series | 1 | 3 |
| Zero Chill | Netflix | teen drama television | 1 | 10 |
| Zero Hour | History, Discovery Channel, British Broadcasting Corporation | documentary film, documentary television program, docudrama | 3 | 16 |
| Zero One | BBC One | — | 3 | 39 |
| Zig and Zag | BBC Children's and Education | — | 1 | 26 |
| ZingZillas | France 5 | — | 2 | 52 |
| Zodiac | — | — | 1 | 6 |
| Zokko! | British Broadcasting Corporation | — | — | 26 |
| Zoo Quest | British Broadcasting Corporation | nature documentary | 7 | 42 |
| Zoo Vet at Large | — | documentary film, documentary television program | — | — |