Season 4
Release : January 05, 1977
Total Eps : 19
Rating : 0.00
All Episode
Hitler's Secret Weapon ~ 1
January 05, 1977
Poster not found
The Hot Blooded Dinosaurs ~ 2
January 12, 1977
Poster not found
What Price Coal? ~ 3
January 19, 1977
Poster not found
The Sunspot Mystery ~ 4
February 02, 1977
Poster not found
The Plastic Prison ~ 5
February 09, 1977
Poster not found
Incident at Brown's Ferry ~ 6
February 23, 1977
Poster not found
Bye Bye Blackbird ~ 7
March 02, 1977
Poster not found
The Pill for the People ~ 8
March 09, 1977
Poster not found
The Gene Engineers ~ 9
March 16, 1977
Poster not found
The Human Animal ~ 10
March 23, 1977
Poster not found
The Wolf Equation ~ 11
March 30, 1977
Poster not found
The Dawn of the Solar Age ~ 12
April 20, 1977
Poster not found
The Business of Extinction ~ 13
April 20, 1977
Poster not found
The Red Planet ~ 14
April 27, 1977
Poster not found
Tongues of Men (1) ~ 15
May 11, 1977
Poster not found
Tongues of Men (2) ~ 16
May 18, 1977
Poster not found
Linus Pauling: Crusading Scientist ~ 17
June 01, 1977
Poster not found
Across the Silent Barrier ~ 18
June 22, 1977
Poster not found
The New Healers ~ 19
June 29, 1977