When did NOVA Season 1 Episode 4 air?
NOVA Season 1 Episode 4 aired on March 24, 1974 at 9 PM ET.


PBS' premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA demystifies science and technology, and highlights the people involved in scientific pursuits.
Does life exist outside this planet? The Viking lander will set down on Mars in July 1976 to try to find out just that. NOVA explores how life started on Earth and examines the Viking Lander being built in its germ-free room before starting its long journey.
Direct answers for episode-level questions and details.
NOVA Season 1 Episode 4 aired on March 24, 1974 at 9 PM ET.
This episode runs for approximately 55 minutes.
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