Watched 0 of 21 episodes this season
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Jan 21, 1986
S13E01 - Halley's Comet: Once in a Lifetime
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Jan 28, 1986
S13E02 - Goddess of the Earth
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Feb 4, 1986
S13E03 - Horsemen of China
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Feb 11, 1986
S13E04 - Life's First Feelings
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Feb 18, 1986
S13E05 - The Case of the Frozen Addict
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Feb 25, 1986
S13E06 - Toxic Trials
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Mar 4, 1986
S13E07 - Skydive to the Rain Forest
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Mar 11, 1986
S13E08 - Return of the Osprey
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Mar 18, 1986
S13E09 - The Rise of a Wonder Drug
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Mar 25, 1986
S13E10 - When Wonder Drugs Don't Work
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Apr 22, 1986
S13E11 - Visions of Star Wars
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Oct 14, 1986
S13E12 - The Search for the Disappeared
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Oct 21, 1986
S13E13 - The Planet that Got Knocked on its Side
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Nov 4, 1986
S13E14 - High-Tech Babies
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Nov 11, 1986
S13E15 - Can AIDS Be Stopped?
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Nov 18, 1986
S13E16 - Is Anybody Out There?
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Nov 25, 1986
S13E17 - Mystery of the Animal Pathfinders
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Dec 2, 1986
S13E18 - Are You Swimming in a Sewer?
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Dec 9, 1986
S13E19 - Sail Wars!
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Dec 16, 1986
S13E20 - Leprosy Can Be Cured!
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Jan 13, 1987
S13E21 - How Babies Get Made