Overview
Is Pluto really a planet? Is it just an asteroid? Horizon investigates.
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43 - 1Space Tourists January 12, 2006 -
43 - 2Waiting for a Heartbeat January 19, 2006
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43 - 3A War on Science January 26, 2006
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43 - 4The Lost City of New Orleans February 02, 2006
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43 - 5Most of Our Universe Is Missing February 09, 2006
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43 - 6Winning Gold in 2012 March 18, 2006
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43 - 7The Woman Who Thinks Like a Cow June 08, 2006
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43 - 8The Genius Sperm Bank June 15, 2006
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43 - 9Bye Bye Planet Pluto June 22, 2006
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43 - 10We Love Cigarettes June 29, 2006
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43 - 11Nuclear Nightmares July 13, 2006
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43 - 12Tutankhamun's Fireball July 20, 2006
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43 - 13Survivors Guide to Plane Crashes October 03, 2006
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43 - 14Chimps are People Too October 10, 2006
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43 - 15The Worlds First Face Transplant October 17, 2006
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43 - 16Human v2.0 October 24, 2006
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43 - 17The Great Robot Race October 31, 2006
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43 - 18Pandemic November 07, 2006
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43 - 19We are the Aliens November 14, 2006
