Horizon - Seasons 47

Episode : 1

Do I Drink Too Much?

2009-10-13

Episode : 2

The Secret You

2009-10-20

Episode : 3

Fix Me

2009-10-27

Episode : 4

Who's Afraid of a Big Black Hole?

2009-11-03

Episode : 5

Why Do We Talk?

2009-11-10

Episode : 6

How Long is a Piece of String?

2009-11-17

Episode : 7

The Secret Life of the Dog

2010-01-06

Episode : 8

Why Do Viruses Kill?

2010-01-13

Episode : 9

Pill Poppers

2010-01-20

Episode : 10

Don't Grow Old

2010-02-03

Episode : 11

To Infinity and Beyond

2010-02-10

Episode : 12

What Makes a Genius?

2010-02-17

Episode : 13

Did Cooking Make Us Human?

2010-03-02

Episode : 14

Is Everything We Know About the Universe Wrong?

2010-03-09