Horizon: Season 42 (2005)
This season started on January 13, 2005. The table lists episodes with recorded air dates up to September 28, 2026.
| Ep | Title and air date | My place |
|---|---|---|
| 1 | Global Dimming · 60 min | |
| 2 | Einstein's Unfinished Symphony · 60 min | |
| 3 | Einstein's Equation of Life and Death · 60 min | |
| 4 | Living with ADHD · 60 min | |
| 5 | Neanderthal · 60 min | |
| 6 | An Experiment to Save the World · 60 min | |
| 7 | Who's Afraid of Designer Babies? · 60 min | |
| 8 | The Lost Civilisation of Peru · 60 min | |
| 9 | The Next Megaquake · 60 min | |
| 10 | Does the MMR Jab Cause Autism? · 60 min | |
| 11 | Malaria: Defeating the Curse · 60 min | |
| 12 | Tsunami: Naming the Dead · 60 min | |
| 13 | The Hawking Paradox · 60 min | |
| 14 | The Mystery of the Human Hobbit · 60 min | |
| 15 | The Doctor Who Makes People Walk Again? · 60 min | |
| 16 | Can Fish Make My Child Smart? · 60 min | |
| 17 | Madagascar - A Treetop Odyssey · 60 min | |
| 18 | Titan. A Place Like Home? · 60 min | |
| 19 | The 7/7 Bombers: A Psychological Investigation · 60 min | |
| 20 | The Ghost in Your Genes · 60 min |
