NOVA — Season 4

Episodes

• E1 Hitler's Secret Weapon1977-01-05—
• E2 The Hot Blooded Dinosaurs1977-01-12—
• E3 What Price Coal?1977-01-19—
• E4 The Sunspot Mystery1977-02-02—
• E5 The Plastic Prison1977-02-09—
• E6 Incident at Brown's Ferry1977-02-23—
• E7 Bye Bye Blackbird1977-03-02—
• E8 The Pill for the People1977-03-09—
• E9 The Gene Engineers1977-03-16—
• E10 The Human Animal1977-03-23—
• E11 The Wolf Equation1977-03-30—
• E12 The Dawn of the Solar Age1977-04-20—
• E13 The Business of Extinction1977-04-20—
• E14 The Red Planet1977-04-27—
• E15 Tongues of Men (1)1977-05-11—
• E16 Tongues of Men (2)1977-05-18—
• E17 Linus Pauling: Crusading Scientist1977-06-01—
• E18 Across the Silent Barrier1977-06-22—
• E19 The New Healers1977-06-29—