| 100 Greatest | Channel 4 | — | 60 |
| 100 Years of Girl Guides | BBC Four | — | 1 |
| 20th Century Battlefields | BBC Two | 1 | 8 |
| 40 Minutes | — | — | — |
| A Girl's Guide to 21st Century Sex | Channel 5 | 1 | 8 |
| A History of Britain | BBC One, British Broadcasting Corporation | 3 | 15 |
| A History of Christianity | BBC Four | 1 | 6 |
| A History of Horror with Mark Gatiss | BBC Four | 1 | 3 |
| A Passion for Churches | BBC Two | — | — |
| A Picture of Britain | BBC One | 1 | 6 |
| A Seaside Parish | — | — | — |
| A Season With McLaren | BBC Two | 1 | 7 |
| Absolute Genius with Dick and Dom | CBBC | 5 | 49 |
| Afghanistan: The Great Game – A Personal View by Rory Stewart | — | 1 | 2 |
| Africa's Underwater Wonders | — | — | 5 |
| Airport | BBC Two | 11 | 96 |
| Airport Live | BBC Two | 1 | 4 |
| All New Traffic Cops | Channel 5 | 14 | 179 |
| Amazon | BBC Two | 1 | 6 |
| America in Color | Smithsonian Channel | 3 | 17 |
| America Was Here | — | — | — |
| America's Most Dangerous Pets | — | — | — |
| America's Most Hated Family in Crisis | — | — | — |
| America: A Personal History of the United States | — | — | 13 |
| An Island Parish | BBC Two | 12 | 77 |
| Ancient Discoveries | History | 6 | 39 |
| Ancient Inventions | — | 1 | 3 |
| Ancient Rome: The Rise and Fall of an Empire | BBC One | — | 6 |
| Andrew Marr's History of Modern Britain | BBC Two | 1 | 5 |
| Andrew Marr's History of the World | BBC One | 1 | 8 |
| Andrew Marr's The Making of Modern Britain | BBC Two | 1 | 6 |
| Animal Park | BBC Two | 10 | 205 |
| Animals in Love | — | — | — |
| Are We Changing Planet Earth? | BBC One | — | 2 |
| Arena | BBC Two, BBC Four | — | — |
| Around the World in 20 Years | — | — | 1 |
| Around the World in 80 Days | BBC One | 1 | 6 |
| Around the World in 80 Faiths | BBC Two | — | — |
| Around the World in 80 Gardens | BBC Two | — | 10 |
| Around the World with Orson Welles | — | — | — |
| Art of Spain | BBC Four | 1 | 3 |
| Arthur C. Clarke's Mysterious World | — | — | — |
| Arthur C. Clarke's World of Strange Powers | — | — | 13 |
| Attenborough's Life That Glows | British Broadcasting Corporation | — | 1 |
| Attenborough: 60 Years in the Wild | — | 1 | 3 |
| Auschwitz: The Nazis and 'The Final Solution' | BBC One | — | 6 |
| Back to the Floor | British Broadcasting Corporation | 5 | — |
| Balderdash and Piffle | BBC Two | — | — |
| Baroque! From St Peter's to St Paul's | — | — | — |
| Bazaar | — | — | — |
| BBC History of World War II | — | — | — |
| Beautiful Minds | BBC Four | 2 | 6 |
| Beautiful Young Minds | BBC Two | — | — |
| Ben Fogle: Return to the Wild | Channel 5 | — | — |
| Benefits Street | Channel 4 | 2 | 5 |
| Berlin | BBC Two | 1 | 3 |
| Big Cat Diary | BBC One | — | 76 |
| Bill Oddie Back in the USA | — | 1 | 6 |
| Bill Oddie Goes Wild | BBC Two | 3 | — |
| Bill Oddie's How to Watch Wildlife | British Broadcasting Corporation | 2 | 16 |