Join or Sign In
Sign in to customize your TV listings
By joining TV Guide, you agree to our Terms of Use and acknowledge the data practices in our Privacy Policy.
Horizon Season 45 Episodes
Season 45 Episode Guide
17 Episodes 2008 - 2008
Episode 1
How to Kill a Human Being
As the American Supreme Court examines whether the lethal injection is causing prisoners to die in unnecessary pain, Michael Portillo investigates the various techniques used in carrying out the death sentence around the world.
Episode 2
Total Isolation
Episode 3
What on Earth Is Wrong with Gravity?
44 mins
Episode 4
Is Alcohol Worse Than Ecstasy?
44 mins
Episode 5
How to Make Better Decisions
49 mins
A look at the ability of individuals to make appropriate choices correctly, whether based on innate knowledge or precognition.
Episode 6
How to Live to 101
Episode 7
Prof. Regan's Supermarket Secrets
Episode 8
Are We Alone in the Universe?
50 mins
Series exploring topical scientific issues. The search for extra-terrestrial life has been going for 50 years - but there's been a recent breakthrough. Astronomers have discovered a new planet called Gliese 581 c. It is the most Earth-like planet ever found. It orbits a star and may have habitats capable of supporting life. NASA hopes to find 50 more Earth-like planets by the end of the decade, all of which increases the chance that alien life has begun elsewhere.
Episode 9
How Much Is Your Dead Body Worth?
Episode 10
How Does Your Memory Work?
Episode 11
The President's Guide to Science
Episode 12
How Mad Are You?: Part 1
Episode 13
How Mad Are You?: Part 2
43 mins
Episode 14
Jimmy's GM Food Fight
Episode 15
Do You Know What Time It Is?
Episode 16
Allergy Planet
Episode 17
Where's My Robot?