Season 2013 aired between 14 Mar 2013 and 11 Sep 2013, 15 episodes.
Episodes
E01
The Creative Brain: How Insight Works
14 Mar 2013
E02
How to Avoid Mistakes in Surgery
21 Mar 2013
E03
The Truth about Taste
28 Mar 2013
E04
The Age of Big Data
04 Apr 2013
E05
The Secret Life of the Cat
13 Jun 2013
E06
Little Cat Diaries
14 Jun 2013
E07
Fracking: The New Energy Rush
19 Jun 2013
E08
Swallowed by a Black Hole
26 Jun 2013
E09
What Makes us Human?
03 Jul 2013
E10
The Truth About Personality
10 Jul 2013
E11
What's Killing Our Bees? A Horizon Special
02 Aug 2013
E12
Monitor Me
12 Aug 2013
E13
Defeating the Hackers
19 Aug 2013
E14
Dinosaurs: The Hunt for Life
26 Aug 2013
E15
Sex: A Horizon Guide
11 Sep 2013