| Nature's Great Events | BBC One | — | 6 |
| Nature's Microworlds | BBC Four | 2 | 13 |
| Nazi Megastructures | British Broadcasting Corporation, PBS | 3 | 12 |
| New Hero of Comedy | Channel 4 | 1 | 3 |
| Night on Earth | Netflix | 1 | 6 |
| Nile | BBC Two | 1 | 3 |
| Nuclear Secrets | BBC Two | — | 5 |
| Obese: A Year to Save My Life | — | 1 | 9 |
| Omnibus | BBC One | — | — |
| On Hannibal's Trail | — | 1 | 6 |
| On Thin Ice | — | — | — |
| One Foot in the Past | — | — | — |
| Only Human | Channel 4 | — | — |
| Orbit: Earth's Extraordinary Journey | BBC Two | 1 | 3 |
| Origins of Us | — | — | — |
| Our Crime | — | — | — |
| Our Planet | Netflix | 2 | 12 |
| Oz and Hugh Raise the Bar | — | 1 | 4 |
| Oz and James Drink to Britain | BBC Two | 1 | 8 |
| Pacific Abyss | — | — | — |
| Pandora's Box | BBC Two | 1 | 6 |
| Panorama | BBC One | — | 1,233 |
| Pappano's Essential Ring Cycle | — | — | — |
| Paul Merton's Birth of Hollywood | BBC Two | 1 | 3 |
| Paul O'Grady: For the Love of Dogs | ITV1 | 5 | — |
| Perspectives | History | 6 | — |
| Peschardt's People | BBC News | — | — |
| Planet Earth II | BBC One | 1 | 6 |
| Planet Food | — | — | — |
| Planet Mechanics | National Geographic | 1 | 8 |
| Play It Again | BBC One | — | 6 |
| Pole to Pole | British Broadcasting Corporation | 1 | 8 |
| Police | — | — | — |
| Pop Life | — | — | — |
| Precision: The Measure of All Things | BBC Four | 1 | 3 |
| Prehistoric Planet | Apple TV | 2 | 10 |
| Premier Passions | — | — | — |
| Protecting Our Children | BBC Two | 1 | 3 |
| Putin, Russia and the West | BBC Two | — | 4 |
| Q.E.D. | BBC One | — | — |
| Q104906323 | — | — | — |
| Q104906689 | — | — | — |
| Q104906800 | — | — | — |
| Q104906833 | — | — | — |
| Q111104631 | — | 2 | 23 |
| Q118907482 | Netflix | — | 4 |
| Q121636169 | — | — | — |
| Q141893403 | — | — | 6 |
| Q5421344 | National Geographic | 3 | 32 |
| Q7763791 | BBC One | 6 | 54 |
| Race to Dakar | Sky Replay | — | 7 |
| Racism: A History | BBC Four | — | — |
| Raffaello - La divina bellezza | Sky Arte | — | 1 |
| Ray Mears' World of Survival | — | 2 | 12 |
| RE:Brand | Play UK | 1 | 7 |
| Real Rescues | — | 9 | 123 |
| Rebels and Redcoats | BBC Two | 1 | 4 |
| Redcoats | — | — | — |
| Reel History of Britain | — | — | — |
| Rescue | ITV | 1 | 13 |