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Episode List

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Season 4

Jan. 5, 1977
Hitler's Secret Weapon
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Jan. 12, 1977
The Hot Blooded Dinosaurs
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Jan. 19, 1977
What Price Coal?
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Feb. 2, 1977
The Sunspot Mystery
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Feb. 9, 1977
The Plastic Prison
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Feb. 23, 1977
Incident at Brown's Ferry
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Mar. 2, 1977
Bye Bye Blackbird
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Mar. 9, 1977
The Pill for the People
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Mar. 16, 1977
The Gene Engineers
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Mar. 23, 1977
The Human Animal
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Mar. 30, 1977
The Wolf Equation
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Apr. 20, 1977
The Dawn of the Solar Age
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Apr. 20, 1977
The Business of Extinction
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Apr. 27, 1977
The Red Planet
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May 11, 1977
Tongues of Men: Part 1
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May 18, 1977
Tongues of Man: Part 2
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Jun. 1, 1977
Linus Pauling: Crusading Scientist
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Jun. 22, 1977
Across the Silent Barrier
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Jun. 29, 1977
The New Healers
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Episode Cast | Rated Episodes (by date / vote) | TV Schedule

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