Season 35.
Season 1.Season 2.Season 3.Season 4.Season 5.Season 6.Season 7.Season 8.Season 9.Season 10.Season 11.Season 12.Season 13.Season 14.Season 15.Season 16.Season 17.Season 18.Season 19.Season 20.Season 21.Season 22.Season 23.Season 24.Season 25.Season 26.Season 27.Season 28.Season 29.Season 30.Season 31.Season 32.Season 33.Season 34.Season 35.Season 36.Season 37.Season 38.Season 39.Season 40.Season 41.Season 42.Season 43.Season 44.Season 45.Season 46.Season 47.Season 48.Season 49.Season 50.Season 51.
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Episode 1.Absolute Zero: The Conquest of Cold
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Episode 2.Absolute Zero: The Race for Absolute Zero
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Episode 3.Secrets of the Parthenon
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Episode 4.Sputnik Declassified
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Episode 5.Judgment Day: Intelligent Design on Trial
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Episode 6.Master of the Killer Ants
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Episode 7.Missing in MiG Alley
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Episode 8.Car of the Future
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Episode 9.Absolute Zero: The Race for Absolute Zero
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Episode 10.Secrets of the Parthenon
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Episode 11.Astrospies
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Episode 12.Space Shuttle Disaster
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Episode 13.The Four Winged Dinosaur
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Episode 14.Hunting the Hidden Dimension
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Episode 15.Car of the Future
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Episode 16.
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Episode 17.Ocean Animal Emergency
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Episode 18.Is There Life on Mars?
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Episode 19.The Big Energy Gamble