| 0 | Horizon Season 0 Episode 98 – Journey to the Moon: A Horizon Special | | 0 | 6 years |
| Horizon Season 0 Episode 97 – Michael Adler on AIDS (Revisited) | | 0 | 6 years |
| Horizon Season 0 Episode 96 – The Human Genome Project (Revisited) | | 0 | 6 years |
| Horizon Season 0 Episode 95 – You do as you are told (Revisited) | | 0 | 6 years |
| Horizon Season 0 Episode 94 – Dawn of the Dinosaurs (Revisited) | | 0 | 6 years |
| Horizon Season 0 Episode 93 – The Horizon Guide to AI | | 0 | 6 years |
| Horizon Season 0 Episode 92 – Jimmy Carr and the Science of Laughter | | 0 | 6 years |
| Horizon Season 0 Episode 91 – Tim Peake: How to be an Astronaut | | 0 | 6 years |
| Horizon Season 0 Episode 90 – The Mystery of Murder: A Horizon Guide | | 0 | 6 years |
| Horizon Season 0 Episode 89 – Climate Change: A Horizon Guide | | 0 | 6 years |
| Horizon Season 0 Episode 88 – What’s The Right Diet For You?: Part 3 | | 0 | 6 years |
| Horizon Season 0 Episode 87 – What’s The Right Diet For You?: Part 2 | | 0 | 6 years |
| Horizon Season 0 Episode 86 – What’s The Right Diet For You?: Part 1 | | 0 | 6 years |
| Horizon Season 0 Episode 85 – Cat Watch 2014 – Cat Talk | | 0 | 6 years |
| Horizon Season 0 Episode 84 – Cat Watch 2014 – The Lion in Your Lap | | 0 | 6 years |
| Horizon Season 0 Episode 83 – Cat Watch 2014 – A Cat’s Eye View | | 0 | 6 years |
| Horizon Season 0 Episode 82 – Comet of the Century: A Horizon Special | | 0 | 6 years |
| Horizon Season 0 Episode 81 – Impact! A Horizon Guide to Car Crashes | | 0 | 6 years |
| Horizon Season 0 Episode 80 – Impact! A Horizon Guide to Plane Crashes | | 0 | 6 years |
| Horizon Season 0 Episode 79 – Sex: A Horizon Guide | | 0 | 6 years |
| Horizon Season 0 Episode 78 – What’s Killing Our Bees? A Horizon Special | | 0 | 6 years |
| Horizon Season 0 Episode 77 – Molecules With Sunglasses (Update) | | 0 | 6 years |
| Horizon Season 0 Episode 76 – The Life and Times of El Niño | | 0 | 6 years |
| Horizon Season 0 Episode 75 – Darwin: The Legacy | | 0 | 6 years |
| Horizon Season 0 Episode 74 – Inside the Internet | | 0 | 6 years |
| Horizon Season 0 Episode 73 – Computers Don’t Bite, Inside the Internet | | 0 | 6 years |
| Horizon Season 0 Episode 72 – Mend Me: A Horizon Guide to Transplants | | 0 | 6 years |
| Horizon Season 0 Episode 71 – The Truth About Meteors | | 0 | 6 years |
| Horizon Season 0 Episode 70 – Tomorrow’s World | | 0 | 6 years |
| Horizon Season 0 Episode 69 – The Final Frontier? A Horizon Guide to the Universe | | 0 | 6 years |
| Horizon Season 0 Episode 68 – Mission to Mars | | 0 | 6 years |
| Horizon Season 0 Episode 67 – Immortal? A Horizon Guide to Ageing | | 0 | 6 years |
| Horizon Season 0 Episode 66 – Blink: A Horizon Guide to the Senses | | 0 | 6 years |
| Horizon Season 0 Episode 65 – The Transit of Venus: A Horizon Special | | 0 | 6 years |
| Horizon Season 0 Episode 64 – Stuff: A Horizon Guide to Materials | | 0 | 6 years |
| Horizon Season 0 Episode 63 – The Hunt for AI | | 0 | 6 years |
| Horizon Season 0 Episode 62 – Woof! A Horizon Guide to Dogs | | 0 | 6 years |
| Horizon Season 0 Episode 61 – The Hunt for Higgs: A Horizon Special | | 0 | 6 years |
| Horizon Season 0 Episode 60 – Extinct: A Horizon Guide to Dinosaurs | | 0 | 6 years |
| Horizon Season 0 Episode 59 – Carrot or Stick? A Horizon Guide to Raising Kids | | 0 | 6 years |
| Horizon Season 0 Episode 58 – 40 Years On The Moon | | 0 | 6 years |
| Horizon Season 0 Episode 57 – The End of the World? A Horizon Guide to Armageddon | | 0 | 6 years |
| Horizon Season 0 Episode 56 – The Space Shuttle: A Horizon Guide | | 0 | 6 years |
| Horizon Season 0 Episode 55 – Japan Earthquake: A Horizon Special | | 0 | 6 years |
| Horizon Season 0 Episode 54 – What Makes Us Clever? A Horizon Guide to Intelligence | | 0 | 6 years |
| Horizon Season 0 Episode 53 – The End of God? A Horizon Guide to Science and Religion | | 0 | 6 years |
| Horizon Season 0 Episode 52 – Diet: A Horizon Guide | | 0 | 6 years |
| Horizon Season 0 Episode 51 – The Big Bang Machine | | 0 | 6 years |
| Horizon Season 0 Episode 50 – Lost Horizons: The Big Bang | | 0 | 6 years |
| Horizon Season 0 Episode 49 – How Many People Can Live on Planet Earth? | | 0 | 6 years |
| Horizon Season 0 Episode 48 – Mars: A Horizon Guide | | 0 | 6 years |
| Horizon Season 0 Episode 47 – The Horizon Guide to Pandemic | | 0 | 6 years |
| Horizon Season 0 Episode 46 – Everest: Doctors in the Death Zone (2) | | 0 | 6 years |
| Horizon Season 0 Episode 45 – Everest: Doctors in the Death Zone (1) | | 0 | 6 years |
| Horizon Season 0 Episode 44 – First Olympian | | 0 | 6 years |
| Horizon Season 0 Episode 43 – What Sank the Kursk? | | 0 | 6 years |
| Horizon Season 0 Episode 42 – Destination Mars | | 0 | 6 years |
| Horizon Season 0 Episode 41 – Life on Mars | | 0 | 6 years |
| Horizon Season 0 Episode 40 – Life and Death in the 21st Century: Designer Babies | | 0 | 6 years |
| Horizon Season 0 Episode 39 – Life and Death in the 21st Century: Future Plagues | | 0 | 6 years |
| Horizon Season 0 Episode 38 – Life and Death in the 21st Century: Living Forever | | 0 | 6 years |
| Horizon Season 0 Episode 37 – Atlantis Reborn | | 0 | 6 years |
| Horizon Season 0 Episode 36 – Atlantis Uncovered | | 0 | 6 years |
| Horizon Season 0 Episode 35 – Fat Files: Living on Air | | 0 | 6 years |
| Horizon Season 0 Episode 34 – Fat Files: Fixing Fat | | 0 | 6 years |
| Horizon Season 0 Episode 33 – Fat Files: Born to Be Fat | | 0 | 6 years |
| Horizon Season 0 Episode 32 – Longitude | | 0 | 6 years |
| Horizon Season 0 Episode 31 – Crash | | 0 | 6 years |
| Horizon Season 0 Episode 30 – Antarctica: The Ice Melts | | 0 | 6 years |
| Horizon Season 0 Episode 29 – Antarctica: The Ice Forms | | 0 | 6 years |
| Horizon Season 0 Episode 28 – Antarctica: The Ice Lives | | 0 | 6 years |
| Horizon Season 0 Episode 27 – Ice Mummies: Frozen in Heaven | | 0 | 6 years |
| Horizon Season 0 Episode 26 – Ice Mummies: A Life in Ice | | 0 | 6 years |
| Horizon Season 0 Episode 25 – Ice Mummies: The Ice Maiden | | 0 | 6 years |
| Horizon Season 0 Episode 24 – BSE: The Human Experiment | | 0 | 6 years |
| Horizon Season 0 Episode 23 – BSE: The Invisible Enemy | | 0 | 6 years |
| Horizon Season 0 Episode 22 – Einstein: Fame | | 0 | 6 years |
| Horizon Season 0 Episode 21 – Einstein: The Miracle Year | | 0 | 6 years |
| Horizon Season 0 Episode 20 – Twice Born | | 0 | 6 years |
| Horizon Season 0 Episode 19 – 30th Anniversary – The Far Side | | 0 | 6 years |
| Horizon Season 0 Episode 18 – Assault on the Male | | 0 | 6 years |
| Horizon Season 0 Episode 17 – The Truth About Sex | | 0 | 6 years |
| Horizon Season 0 Episode 16 – Hide and Seek in Iraq | | 0 | 6 years |
| Horizon Season 0 Episode 15 – A Close Encounter of the Second Kind | | 0 | 6 years |
| Horizon Season 0 Episode 14 – Red Star in Orbit: The Mission | | 0 | 6 years |
| Horizon Season 0 Episode 13 – Red Star in Orbit: The Dark Side of the Moon | | 0 | 6 years |
| Horizon Season 0 Episode 12 – Red Star in Orbit: The Invisible Spaceman | | 0 | 6 years |
| Horizon Season 0 Episode 11 – Making an Honest Fiver | | 0 | 6 years |
| Horizon Season 0 Episode 10 – The Diary of Discovery | | 0 | 6 years |
| Horizon Season 0 Episode 9 – Halley’s Comet – The Encounter | | 0 | 6 years |
| Horizon Season 0 Episode 8 – Halley’s Comet – The Apparition | | 0 | 6 years |
| Horizon Season 0 Episode 7 – Twenty-First Birthday | | 0 | 6 years |
| Horizon Season 0 Episode 6 – Biology at War: A Plague in the Wind | | 0 | 6 years |
| Horizon Season 0 Episode 5 – Beyond the Moon | | 0 | 6 years |
| Horizon Season 0 Episode 4 – Biology at War: The Mystery of Yellow Rain | | 0 | 8 years |
| Horizon Season 0 Episode 4 – Biology at War: The Mystery of Yellow Rain | | 0 | 6 years |
| Horizon Season 0 Episode 3 – 25 Years in Space | | 0 | 6 years |
| Horizon Season 0 Episode 3 – 25 Years in Space | | 0 | 8 years |
| Horizon Season 0 Episode 2 – The Mind’s Eye | | 0 | 6 years |
| Horizon Season 0 Episode 2 – The Mind’s Eye | | 0 | 8 years |
| Horizon Season 0 Episode 1 – The Case of the Ancient Astronauts | | 0 | 6 years |
| Horizon Season 0 Episode 1 – The Case of the Ancient Astronauts | | 0 | 8 years |
