TV Horizon - 2009 Horizon - 2009 7.516/10 by 32 users Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Details Casts Posters Images Title Horizon - 2009 Alternative Titles BBC Horizon First Air Date 1964-02-04 Last Air Date 2024-07-22 Number of Episodes 1169 Number of Seasons 60 Genres Documentary, Networks BBC Two, Casts Plot Keywords , Episodes List Horizon Season 46 :Episode 1 Why Are Thin People Not Fat? Why Are Thin People Not Fat? 2009-01-26 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 46 :Episode 2 Cannabis: The Evil Weed? Cannabis: The Evil Weed? 2009-02-03 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 46 :Episode 3 Why Do We Dream? Why Do We Dream? 2009-02-10 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 46 :Episode 4 Can We Make a Star on Earth? Can We Make a Star on Earth? 2009-02-17 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 46 :Episode 5 The Secret Life of Your Bodyclock The Secret Life of Your Bodyclock 2009-02-24 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 46 :Episode 6 What's the Problem with Nudity? What's the Problem with Nudity? 2009-03-03 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 46 :Episode 7 How to Survive a Disaster How to Survive a Disaster 2009-03-10 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 46 :Episode 8 Who Do You Want Your Child to Be? Who Do You Want Your Child to Be? 2009-03-17 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 46 :Episode 9 Why Can't We Predict Earthquakes? Why Can't We Predict Earthquakes? 2009-03-24 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 46 :Episode 10 Alan and Marcus Go Forth and Multiply Alan and Marcus Go Forth and Multiply 2009-03-31 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 46 :Episode 11 How Violent Are You? How Violent Are You? 2009-05-12 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 46 :Episode 12 Do I Drink Too Much? Do I Drink Too Much? 2009-12-22 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 46 :Episode 13 The Secret You The Secret You 2009-12-22 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 46 :Episode 14 Fix Me Fix Me 2009-12-22 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 46 :Episode 15 Who's Afraid of a Big Black Hole? Who's Afraid of a Big Black Hole? 2009-12-22 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 46 :Episode 16 Why Do We Talk? Why Do We Talk? 2009-12-22 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 46 :Episode 17 How Long is a Piece of String? How Long is a Piece of String? 2009-12-22 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 46 :Episode 18 How Many People Can Live on Planet Earth? How Many People Can Live on Planet Earth? 2009-12-09 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.