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1
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Hitler's Secret Weapon
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Jan 5th, 1977
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2
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The Hot Blooded Dinosaurs
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Jan 12th, 1977
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3
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What Price Coal?
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Jan 19th, 1977
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4
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The Sunspot Mystery
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Feb 2nd, 1977
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5
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The Plastic Prison
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Feb 9th, 1977
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6
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Incident at Brown's Ferry
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Feb 23rd, 1977
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7
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Bye Bye Blackbird
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Mar 2nd, 1977
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8
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The Pill for the People
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Mar 9th, 1977
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9
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The Gene Engineers
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Mar 16th, 1977
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10
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The Human Animal
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Mar 23rd, 1977
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11
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The Wolf Equation
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Mar 30th, 1977
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12
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The Dawn of the Solar Age
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Apr 20th, 1977
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13
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The Business of Extinction
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Apr 20th, 1977
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14
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The Red Planet
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Apr 27th, 1977
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15
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Tongues of Men (1)
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May 11th, 1977
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16
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Tongues of Men (2)
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May 18th, 1977
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17
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Linus Pauling: Crusading Scientist
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Jun 1st, 1977
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18
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Across the Silent Barrier
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Jun 22nd, 1977
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19
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The New Healers
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Jun 29th, 1977
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20
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The Green Machine
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Jan 11th, 1978
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