| How Art Made the World | BBC One | 1 | 5 |
| How to Be a Composer | BBC Four | 1 | 2 |
| How to Grow a Planet | — | 1 | 3 |
| How We Built Britain | — | — | — |
| Ice Age Giants | BBC Two | 1 | 3 |
| Iceland Foods: Life in the Freezer Cabinet | — | 1 | 3 |
| India with Sanjeev Bhaskar | BBC Two | 1 | 4 |
| Indian School | — | — | 10 |
| Inside Claridge's | — | 1 | 3 |
| Inside Out | BBC One | — | — |
| Invasion | BBC Two | 1 | 3 |
| Inventions That Changed the World | BBC Two | — | 5 |
| Island of the Sea Wolves | — | 1 | 3 |
| James May's 20th Century | BBC Two | — | 6 |
| James May's Big Ideas | — | — | 3 |
| James May's Man Lab | BBC Two | 3 | 13 |
| James May's Things You Need To Know | BBC Two | 2 | 9 |
| James May's Toy Stories | BBC Two | 1 | 6 |
| James May: Our Man in... | Amazon Prime Video | 2 | 12 |
| Japanorama | BBC Three, UKTV | 3 | 18 |
| Jeremy Clarkson's Extreme Machines | BBC Two | 1 | 6 |
| Jeremy Clarkson: Meets the Neighbours | BBC Two | — | 5 |
| Jimmy Savile: A British Horror Story | Netflix | 1 | 2 |
| Jimmy's Farm | BBC Two | — | — |
| Journeys into the Ring of Fire | BBC One | 1 | 4 |
| Junior Doctors: Your Life in Their Hands | BBC Three | 3 | 22 |
| Killers Behind Bars: The Untold Story | — | — | — |
| King Alfred and the Anglo Saxons | — | 1 | 3 |
| Lefties | — | — | — |
| Let's talk about Sex | Channel 4 | 1 | 3 |
| Light Fantastic | BBC Four | 1 | 4 |
| Little Angels | — | 5 | 2 |
| Living in the Past | — | — | 12 |
| Living with Modernism | — | — | — |
| Living with the Future | — | — | — |
| Local Heroes | — | — | — |
| London | British Broadcasting Corporation | 1 | 3 |
| Lost Kingdoms of Africa | BBC Four | 2 | 8 |
| Lost Land of the Volcano | — | 1 | 3 |
| Lost Treasures of Egypt | National Geographic | 6 | 48 |
| Louis Theroux's BBC Two specials | — | — | — |
| Louis Theroux's Forbidden America | — | — | 3 |
| Malcolm Vaughan | — | 1 | 4 |
| Man Alive | BBC Two | — | — |
| Map Man | — | — | — |
| Mary Queen of Shops | BBC Two | 3 | 16 |
| Masters of Money | BBC Two | 1 | 3 |
| Meet the Ancestors | — | — | — |
| Meet the Romans with Mary Beard | — | — | 3 |
| Melvyn Bragg on Class and Culture | BBC Two | 1 | 3 |
| Michael Palin's Hemingway Adventure | British Broadcasting Corporation | 1 | 4 |
| Mind, Body & Kick Ass Moves | BBC Three | 1 | 10 |
| Monarchy: The Royal Family at Work | BBC One | — | 5 |
| Monitor | — | — | — |
| Monsters We Met | Animal Planet | 1 | 3 |
| Moses | BBC One | 1 | 1 |
| Mountain | BBC One | — | 5 |
| Movie Connections | BBC One | — | 16 |
| Museum | — | — | — |
| Natural World | BBC Two | 39 | 493 |