When did NOVA Season 18 Episode 15 air?
NOVA Season 18 Episode 15 aired on November 5, 1991 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.
The tallest mountain in the world? Think again—cartographers had to when satellite date revealed a peak called "K2" might be the real champ. Which is the world's tallest mountain?
Direct answers for episode-level questions and details.
NOVA Season 18 Episode 15 aired on November 5, 1991 at 9 PM ET.
This episode runs for approximately 55 minutes.
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