When did NOVA Season 4 Episode 14 air?
NOVA Season 4 Episode 14 aired on April 27, 1977 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.
NOVA traces 300 years of speculation, investigation and discovery that have centered on Mars—particularly the theory that the planet could support life. Questions raised by NASA's 1976 Viking mariner missions about how the vast canyons were formed are also explored.
Direct answers for episode-level questions and details.
NOVA Season 4 Episode 14 aired on April 27, 1977 at 9 PM ET.
This episode runs for approximately 55 minutes.
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