January 22, 1986 • 56m
The episode discusses plate tectonics and geologic time, highlighting the work of James Hutton, Alfred Wegener, Harry Hess, Allan ...Read more
January 29, 1986 • 56m
The episode discusses major new revelations about the oceans.
February 5, 1986 • 56m
The episode examines the complexities of the Earth's climate.
February 12, 1986 • 56m
Using special effects and actual footage from space to illustrate other worlds in the Solar System, the episode discusses the conn...Read more
February 19, 1986 • 56m
The episode focuses on the Earth's natural resources, including minerals such as copper, gold, silver, and platinum; fossil fuels ...Read more
February 26, 1986 • 56m
The episode explores the Earth's relationship with the Sun.
March 5, 1986 • 56m
The episode explores the role of life in shaping the Earth and discusses the planet's possible future.