Horizon — Season 46

Episodes

• E1 Why Are Thin People Not Fat?2009-01-26—
• E2 Cannabis: The Evil Weed?2009-02-03—
• E3 Why Do We Dream?2009-02-10—
• E4 Can We Make a Star on Earth?2009-02-17—
• E5 The Secret Life of Your Bodyclock2009-02-24—
• E6 What's the Problem with Nudity?2009-03-032.0
• E7 How to Survive a Disaster2009-03-10—
• E8 Who Do You Want Your Child to Be?2009-03-17—
• E9 Why Can't We Predict Earthquakes?2009-03-24—
• E10 Alan and Marcus Go Forth and Multiply2009-03-31—
• E11 How Violent Are You?2009-05-12—
• E12 Do I Drink Too Much?2009-12-22—
• E13 The Secret You2009-12-22—
• E14 Fix Me2009-12-22—
• E15 Who's Afraid of a Big Black Hole?2009-12-22—
• E16 Why Do We Talk?2009-12-22—
• E17 How Long is a Piece of String?2009-12-22—
• E18 How Many People Can Live on Planet Earth?2009-12-09—