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Episodul 1.Search for a Safe Cigarette
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Episodul 2.18 Ways to Make a Baby
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Episodul 3.Secrets of the Mind
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Episodul 4.Sex: Unknown
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Episodul 5.Russia's Nuclear Warriors
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Episodul 6.Bioterror
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Episodul 7.Life's Greatest Miracle
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Episodul 8.Methuselah Tree
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Episodul 9.Flying Casanovas
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Episodul 10.Death Star
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Episodul 11.Neanderthals on Trial
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Episodul 12.Fireworks
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Episodul 13.Secrets, Lies, and Atomic Spies
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Episodul 14.The Missing Link
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Episodul 15.Shackleton's Voyage of Endurance
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Episodul 16.Why the Towers Fell
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Episodul 17.Fire Wars