TV Horizon - 2009-2010 Horizon - 2009-2010 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 - 2009-2010 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 47 :Episode 1 Do I Drink Too Much? Do I Drink Too Much? 2009-10-13 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 47 :Episode 2 The Secret You The Secret You 2009-10-20 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 47 :Episode 3 Fix Me Fix Me 2009-10-27 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 47 :Episode 4 Who's Afraid of a Big Black Hole? Who's Afraid of a Big Black Hole? 2009-11-03 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 47 :Episode 5 Why Do We Talk? Why Do We Talk? 2009-11-10 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 47 :Episode 6 How Long is a Piece of String? How Long is a Piece of String? 2009-11-17 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 47 :Episode 7 The Secret Life of the Dog The Secret Life of the Dog 2010-01-06 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 47 :Episode 8 Why Do Viruses Kill? Why Do Viruses Kill? 2010-01-13 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 47 :Episode 9 Pill Poppers Pill Poppers 2010-01-20 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 47 :Episode 10 Don't Grow Old Don't Grow Old 2010-02-03 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 47 :Episode 11 To Infinity and Beyond To Infinity and Beyond 2010-02-10 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 47 :Episode 12 What Makes a Genius? What Makes a Genius? 2010-02-17 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 47 :Episode 13 Did Cooking Make Us Human? Did Cooking Make Us Human? 2010-03-02 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 47 :Episode 14 Is Everything We Know About the Universe Wrong? Is Everything We Know About the Universe Wrong? 2010-03-09 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.