| Horizon - 39x15 - The Secret Lives of Caves | | 2 years ago |
| Horizon - 39x13 - Earthquake Storms | | 2 years ago |
| Horizon - 39x08 - Averting Armageddon | | 2 years ago |
| Horizon - 39x05 - Secret of El Dorado | | 2 years ago |
| Horizon - 39x04 - The Day the Earth Nearly Died | | 2 years ago |
| Horizon - 39x03 - Homeopathy: The Test | | 2 years ago |
| Horizon - 39x02 - Stone Age Columbus | | 2 years ago |
| Horizon - 39x01 - Freak Wave | | 2 years ago |
| Horizon - 38x15 - The Mystery of the Jurassic | | 2 years ago |
| Horizon - 38x14 - Archimedes' Secret | | 2 years ago |
| Horizon - 38x12 - The Dinosaur that Fooled the World | | 2 years ago |
| Horizon - 38x11 - Parallel Universes | | 2 years ago |
| Horizon - 38x09 - The Lost Pyramids of Caral | | 2 years ago |
| Horizon - 38x07 - Volcano Hell | | 2 years ago |
| Horizon - 38x06 - Helike - The Real Atlantis | | 2 years ago |
| Horizon - 38x05 - Cloning the First Human | | 2 years ago |
| Horizon - 38x04 - The Death Star | | 2 years ago |
| Horizon - 38x02 - The Ape That Took Over the World | | 2 years ago |
| Horizon - 37x15 - Killer Algae | | 2 years ago |
| Horizon - 37x14 - The Missing Link | | 2 years ago |