| 1972 | Horizon Season 1972 Episode 33 – Navigating Europe | | 0 | 10 years |
| Horizon Season 1972 Episode 32 – Their Life in Your Hands | | 0 | 10 years |
| Horizon Season 1972 Episode 31 – Alaskan Pipe Dream | | 0 | 10 years |
| Horizon Season 1972 Episode 30 – Fire | | 0 | 10 years |
| Horizon Season 1972 Episode 29 – The Making of a Natural History Film | | 0 | 10 years |
| Horizon Season 1972 Episode 28 – Do You Sincerely Want a Long Life? | | 0 | 10 years |
| Horizon Season 1972 Episode 27 – Billion Marsh | | 0 | 10 years |
| Horizon Season 1972 Episode 26 – Shadows of Bliss | | 0 | 10 years |
| Horizon Season 1972 Episode 25 – The Making of the English Landscape | | 0 | 10 years |
| Horizon Season 1972 Episode 24 – When Polar Bears Swam in the Thames | | 0 | 10 years |
| Horizon Season 1972 Episode 23 – Hospital, 1922 | | 0 | 10 years |
| Horizon Season 1972 Episode 22 – The Surgery of Violence | | 0 | 10 years |
| Horizon Season 1972 Episode 21 – Sex Can Be a Problem | | 0 | 10 years |
| Horizon Season 1972 Episode 20 – The Life that Lives on Man | | 0 | 10 years |
| Horizon Season 1972 Episode 19 – The Way We Move | | 0 | 10 years |
| Horizon Season 1972 Episode 18 – Sorry I Opened My Mouth | | 0 | 10 years |
| Horizon Season 1972 Episode 17 – Do You Dig National Parks? | | 0 | 10 years |
| Horizon Season 1972 Episode 16 – Rail Crash | | 0 | 10 years |
| Horizon Season 1972 Episode 15 – The Wizard Who Spat on the Floor | | 0 | 10 years |
| Horizon Season 1972 Episode 14 – Out of Volcanoes | | 0 | 10 years |
| Horizon Season 1972 Episode 13 – Mind Over Body | | 0 | 10 years |
| Horizon Season 1972 Episode 12 – Survival in the Sahara | | 0 | 10 years |
| Horizon Season 1972 Episode 11 – Man-Made Lakes in Africa | | 0 | 10 years |
| Horizon Season 1972 Episode 10 – What is Race? | | 0 | 10 years |
| Horizon Season 1972 Episode 9 – Whales, Dolphins and Men | | 0 | 10 years |
| Horizon Season 1972 Episode 8 – For Love or Money | | 0 | 10 years |
| Horizon Season 1972 Episode 7 – How They Sold Doomsday | | 0 | 10 years |
| Horizon Season 1972 Episode 6 – Are You Doing This for Me, Doctor? | | 0 | 10 years |
| Horizon Season 1972 Episode 5 – The Day it Rained Periwinkles | | 0 | 10 years |
| Horizon Season 1972 Episode 4 – Parasite of Paradise | | 0 | 10 years |
| Horizon Season 1972 Episode 3 – How Much Do You Smell? | | 0 | 10 years |
| Horizon Season 1972 Episode 2 – Navajo – The Last Red Indians | | 0 | 10 years |
| Horizon Season 1972 Episode 1 – The Missing Link | | 0 | 10 years |
