Season 20.
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.The Hunt for Saddam's Secret Weapons
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Episode 2.Can Bombing Win a War?
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Episode 3.The Deadly Deception
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Episode 4.Nazis and the Russian Bomb
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Episode 5.In the Path of a Killer Volcano
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Episode 6.Can Science Build a Champion Athlete?
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Episode 7.Diving for Pirate Gold
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Episode 8.Murder, Rape and DNA
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Episode 9.The Lost Tribe
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Episode 10.The NOVA Quiz
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Episode 11.Wanted: Butch and Sundance
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Episode 12.Secrets of the Psychics
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Episode 13.Dying to Breathe
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Episode 14.Shadow of the Condor
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Episode 15.The Real Jurassic Park
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Episode 16.Roller Coaster!
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Episode 17.Mysterious Crash of Flight 201
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Episode 18.Great Moments from NOVA
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Episode 19.The Best Mind Since Einstein
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Episode 20.
Noah's Ark 
The Lord of the Rings: The Fellowship of the Ring 
Taffy 
I Am Wrath