Watched 0 of 20 episodes this season
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Jan 8, 1990
S27E01 - Oil Spill
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Jan 15, 1990
S27E02 - Medicine 2000
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Jan 22, 1990
S27E03 - Food Irradiation: Would You Buy It?
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Jan 29, 1990
S27E04 - From Earth to Miranda
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Feb 5, 1990
S27E05 - Encounter With Neptune
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Feb 12, 1990
S27E06 - Guess What's Coming to Dinner?
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Feb 19, 1990
S27E07 - The First 14 Days
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Mar 5, 1990
S27E08 - The 10,000 Year Test
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Mar 12, 1990
S27E09 - Hurricane!
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Mar 19, 1990
S27E10 - The Britannic Greenhouse
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Mar 26, 1990
S27E11 - Cold Fusion
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Apr 2, 1990
S27E12 - The Quake of '89 - The Final Warning?
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Apr 9, 1990
S27E13 - The Sharpest Shot of the Universe
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Apr 23, 1990
S27E14 - The Company of Ants and Bees
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Apr 30, 1990
S27E15 - The Intelligent Island
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May 14, 1990
S27E16 - Legacy of a Volcano
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May 21, 1990
S27E17 - Do Cows Make You Mad?
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Jun 4, 1990
S27E18 - The Child Mothers
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Jun 11, 1990
S27E19 - Signs of Life
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Jun 25, 1990
S27E20 - AIDS: A Quest for a Cure