Watched 0 of 111 episodes this season
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Dec 25, 1966
S00E01 - Horizon Christmas Special: Hand me my Sword, Humphrey
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Nov 25, 1977
S00E02 - The Case of the Ancient Astronauts
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Jan 28, 1980
S00E03 - The Mind's Eye
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Dec 25, 1982
S00E04 - 25 Years in Space
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May 15, 1984
S00E05 - Biology at War: The Mystery of Yellow Rain
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Jul 21, 1984
S00E06 - Beyond the Moon
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Oct 29, 1984
S00E07 - Biology at War: A Plague in the Wind
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May 20, 1985
S00E08 - Twenty-First Birthday
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Nov 25, 1985
S00E09 - Halley's Comet - The Apparition
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Mar 13, 1986
S00E10 - Halley's Comet - The Encounter
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Sep 28, 1988
S00E11 - The Diary of Discovery
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Jun 6, 1990
S00E12 - Making an Honest Fiver
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Dec 7, 1990
S00E13 - Red Star in Orbit: The Invisible Spaceman
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Dec 14, 1990
S00E14 - Red Star in Orbit: The Dark Side of the Moon
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Dec 21, 1990
S00E15 - Red Star in Orbit: The Mission
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Jul 10, 1992
S00E16 - A Close Encouter of the Second Kind
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Aug 23, 1992
S00E17 - Hide and Seek in Iraq
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Oct 12, 1992
S00E18 - The Truth About Sex
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Oct 31, 1993
S00E19 - Assault on the Male
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May 23, 1994
S00E20 - 30th Anniversary - The Far Side
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Feb 14, 1995
S00E21 - Twice Born
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Mar 17, 1996
S00E22 - Einstein: The Miracle Year
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Mar 18, 1996
S00E23 - Einstein: Fame
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Nov 17, 1996
S00E24 - BSE: The Invisible Enemy
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Nov 18, 1996
S00E25 - BSE: The Human Experiment
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Dec 9, 1996
S00E26 - Molecules With Sunglasses (Update)
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Jan 30, 1997
S00E27 - Ice Mummies: The Ice Maiden
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Feb 6, 1997
S00E28 - Ice Mummies: A Life in Ice
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Feb 13, 1997
S00E29 - Ice Mummies: Frozen in Heaven
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May 17, 1997
S00E30 - Computers Don't Bite, Inside the Internet
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Oct 30, 1997
S00E31 - Antarctica: The Ice Lives
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Nov 6, 1997
S00E32 - Antarctica: The Ice Forms
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Nov 13, 1997
S00E33 - Antarctica: The Ice Melts
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Jan 8, 1998
S00E34 - Crash
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Mar 29, 1998
S00E35 - Darwin: The Legacy
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Jan 4, 1999
S00E36 - Longitude
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Jan 7, 1999
S00E37 - Fat Files: Born to Be Fat
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Jan 14, 1999
S00E38 - Fat Files: Fixing Fat
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Jan 21, 1999
S00E39 - Fat Files: Living on Air
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Oct 28, 1999
S00E40 - Atlantis Uncovered
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Nov 4, 1999
S00E41 - Atlantis Reborn
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Jan 4, 2000
S00E42 - Life and Death in the 21st Century: Living Forever
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Jan 5, 2000
S00E43 - Life and Death in the 21st Century: Future Plagues
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Jan 6, 2000
S00E44 - Life and Death in the 21st Century: Designer Babies
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Jun 10, 2000
S00E45 - Inside the Internet
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Jan 11, 2001
S00E46 - Life on Mars
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Jan 18, 2001
S00E47 - Destination Mars
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Aug 8, 2001
S00E48 - What Sank the Kursk?
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Jul 23, 2004
S00E49 - First Olympians: A Horizon Special
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Sep 23, 2007
S00E50 - Everest: Doctors in the Death Zone (1)
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Sep 30, 2007
S00E51 - Everest: Doctors in the Death Zone (2)
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Sep 4, 2008
S00E52 - Lost Horizons: The Big Bang
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Nov 11, 2008
S00E53 - How Mad Are You? (1)
Nov 18, 2008
S00E54 - How Mad Are You? (2)
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Jul 9, 2009
S00E55 - 40 Years on the Moon
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Aug 9, 2009
S00E56 - Pandemic: A Horizon Guide
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Nov 15, 2009
S00E57 - Mars: A Horizon Guide
Dec 9, 2009
S00E58 - How Many People Can Live on Planet Earth?
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Jan 7, 2010
S00E59 - Diet: A Horizon Guide
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Sep 17, 2010
S00E60 - The End of God? A Horizon Guide to Science and Religion
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Jan 6, 2011
S00E61 - What Makes Us Clever? A Horizon Guide to Intelligence
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Mar 27, 2011
S00E62 - Japan Earthquake: A Horizon Special
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Apr 10, 2011
S00E63 - The Space Shuttle: A Horizon Guide
May 12, 2011
S00E64 - The End of the World? A Horizon Guide to Armageddon
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Aug 11, 2011
S00E65 - Carrot or Stick? A Horizon Guide to Raising Kids
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Sep 21, 2011
S00E66 - Extinct: A Horizon Guide to Dinosaurs
Jan 9, 2012
S00E67 - The Hunt for Higgs: A Horizon Special
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Mar 1, 2012
S00E68 - Woof! A Horizon Guide to Dogs
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Apr 3, 2012
S00E69 - The Hunt for AI
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Apr 19, 2012
S00E70 - Stuff: A Horizon Guide to Materials
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Jul 11, 2012
S00E71 - Blink: A Horizon Guide to the Senses
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Jul 17, 2012
S00E72 - Immortal? A Horizon Guide to Ageing
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Jul 31, 2012
S00E73 - Mission to Mars: A Horizon Special
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Oct 17, 2012
S00E74 - The Final Frontier: A Horizon Guide to the Universe
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Mar 3, 2013
S00E75 - The Truth About Meteors: A Horizon Special
Mar 27, 2013
S00E76 - Mend Me: A Horizon Guide to Transplants
Apr 11, 2013
S00E77 - Tomorrow's World: A Horizon Special
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Aug 2, 2013
S00E78 - What's Killing Our Bees? A Horizon Special
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Nov 23, 2013
S00E79 - Comet of the Century: A Horizon Special
May 22, 2014
S00E80 - The £10 Million Challenge
Jun 5, 2012
S00E81 - The Transit of Venus: A Horizon Special
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May 26, 1976
S00E100 - The Great British Drought
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Aug 26, 1977
S00E101 - Festival 77: Horizon 2002
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Sep 23, 1977
S00E102 - Darwin's Dream
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Apr 2, 1984
S00E103 - A Killer in the Village - Update
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Apr 27, 1987
S00E104 - Life Story
Sep 11, 2013
S00E105 - Sex: A Horizon Guide
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Mar 4, 2015
S00E106 - Climate Change: A Horizon Guide
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Mar 9, 2015
S00E107 - The Mystery of Murder: A Horizon Guide
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Sep 4, 2018
S00E108 - The Horizon Guide to AI
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Dec 13, 2015
S00E109 - Tim Peake Special - How to be an Astronaut
Sep 11, 2016
S00E110 - Jimmy Carr and the Science of Laughter
Jun 16, 2021
S00E111 - Horizon Special: The Vaccine
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Jan 3, 2006
S00E112 - The Life and Times of El Niño
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Oct 14, 2013
S00E113 - Impact! A Horizon Guide to Plane Crashes
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Oct 21, 2013
S00E114 - Impact! A Horizon Guide to Car Crashes
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Oct 7, 2014
S00E115 - Cat Watch 2014 - A Cat's Eye View
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Oct 8, 2014
S00E116 - Cat Watch 2014 - The Lion in Your Lap
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Oct 9, 2014
S00E117 - Cat Watch 2014 - Cat Talk
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Jan 12, 2015
S00E118 - What's The Right Diet For You? Part 1
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Jan 13, 2015
S00E119 - What's The Right Diet For You? Part 2
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Jan 14, 2015
S00E120 - What's The Right Diet For You? Part 3
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Jul 17, 2019
S00E121 - Journey to the Moon: A Horizon Special
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May 21, 2019
S00E122 - Alastair Campbell: Depression and Me
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May 21, 2016
S00E123 - Ice Station Antarctica: Part One
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May 28, 2016
S00E124 - Ice Station Antarctica: Part Two
Apr 9, 2020
S00E125 - Coronavirus Special - Part 1
May 19, 2020
S00E126 - Coronavirus Special - Part 2
Feb 25, 2021
S00E127 - Coronavirus Special - What We Know Now
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Jun 16, 2021
S00E128 - Horizon Special: The Vaccine
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S00E999 - Delete