Watch Nova: Season 27, Episode 12

Season 37

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• S37E12 Ghosts of Machu Picchu 02/02/10

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• S37E06 Becoming Human: Last Human Standing 11/17/09

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• S37E05 Becoming Human: Birth of Humanity 11/10/09

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• S37E04 Becoming Human: First Steps 11/03/09

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Season 36

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• S36E15 Doctors' Diaries Pt.1 04/07/09

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• S36E14 Last Extinction 03/31/09

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• S36E13 Extreme Ice 03/24/09

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• S36E12 Rat Attack 02/24/09

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• S36E11 The Spy Factory 02/03/09

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• S36E10 The Incredible Journey of the Butterflies 01/27/09

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• S36E09 The Big Energy Gamble 01/20/09

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• S36E08 Is There Life On Mars? 12/30/08

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• S36E07 Ocean Animal Emergency 11/25/08

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• S36E06 The Bible's Buried Secrets 11/18/08

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• S36E05 Alien From Earth 11/11/08

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• S36E04 Hunting The Hidden Dimension 10/28/08

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• S36E02 Space Shuttle Disaster 10/14/08

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Season 35

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• S35E18 Lord of the Ants 05/20/08

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• S35E17 A Walk to Beautiful 05/13/08

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• S35E16 Car of the Future 04/22/08

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• S35E15 Cracking the Maya Code 04/08/08

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• S35E13 The Four Winged Dinosaur 02/26/08

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• S35E12 Ape Genius 02/19/08

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• S35E11 AstroSpies 02/12/08

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• S35E10 Secrets of the Parthenon 01/29/08

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• S35E09 Absolute Zero: The Race for Absolute Zero 01/15/08

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• S35E08 Absolute Zero: The Conquest of Cold 01/08/08

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• S35E07 Missing in MiG Alley 12/18/07

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• S35E03 Marathon Challenge 10/30/07

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• S35E01 Secrets of the Samurai Sword 10/09/07

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