When did NOVA Season 12 Episode 20 air?
NOVA Season 12 Episode 20 aired on December 17, 1985 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 joins the 50th anniversary celebration of the DC-3—the plane that revolutionized commercial air travel, served gallantly in World War II and is called the most important plane ever built.
Direct answers for episode-level questions and details.
NOVA Season 12 Episode 20 aired on December 17, 1985 at 9 PM ET.
This episode runs for approximately 55 minutes.
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