When did NOVA Season 49 Episode 16 air?
NOVA Season 49 Episode 16 aired on November 2, 2022 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.

One of the world’s greatest ancient enigmas, the Nazca lines are a dense network of criss-crossing lines, geometric shapes, and animal figures etched across 200 square miles of Peruvian desert. Who created them and why? Ever since they were rediscovered in the 1920s, scholars and enthusiasts have raised countless theories about their purpose.
Direct answers for episode-level questions and details.
NOVA Season 49 Episode 16 aired on November 2, 2022 at 9 PM ET.
This episode runs for approximately 54 minutes.
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