1. What's Killing Our Bees? A Horizon Special
Aired: Jul 23, 2012Bees are worth £430 million to Britain's agriculture sector and a third of UK...
2. Monitor Me
Aired: Jul 30, 2012Dr. Kevin Fong tries to find out if humans get better health by using modern ...
3. Defeating the Hackers
Aired: Aug 6, 2012Horizon meets the two men who uncovered Stuxnet, the pioneers of ultra-parano...
4. Dinosaurs: The Hunt for Life
Aired: Aug 27, 2012The documentary follows paleontologist so in ground breaking efforts to extra...
5. Comet of the Century: A Horizon Special
Aired: Sep 3, 2012Horizon plunges down the biggest rabbit-hole in history in search of the smal...
6. Sugar v Fat
Aired: Sep 10, 2012Twin brothers try to find out the consequences of having a diet based on fat ...
7. Swallowed by a Sink Hole
Aired: Mar 14, 2013It is a feeling we all know - the moment when a light goes on in your head. I...
8. Man on Mars: Mission to the Red Planet
Aired: Mar 21, 2013A&E doctor Kevin Fong finds out how doctors can avoid making mistakes in the ...
9. The Power of the Placebo
Aired: Mar 28, 2013Taste is our most indulgent sense but it is only in recent years that we have...
10. How You Really Make Decisions
Aired: Apr 4, 2013In Los Angeles, a remarkable experiment is underway; the police are trying to...
11. Living with Autism
Aired: Jun 13, 2013Horizon discovers what your cat really gets up to when it leaves the cat flap...
12. The £10 Million Challenge
Aired: Jun 14, 201350 cats were fitted with GPS collars to track their every movement, and cat-c...
13. Where Is Flight MH370?
Aired: Jun 19, 2013Flight MH370 disappeared en-route from Kuala Lumpur to Beijing. This covers w...
14. What's Wrong with Our Weather?
Aired: Jun 26, 2013This summer, the black hole at the centre of the Milky Way is getting ready t...
15. What Makes us Human?
Aired: Jul 3, 2013Professor Alice Roberts is making a new human being - she is pregnant with he...
16. The Truth About Personality
Aired: Jul 10, 2013Michael Mosley explores the latest science about how our personalities are cr...