When did Ancient Aliens Season 2 Episode 4 air?
Ancient Aliens Season 2 Episode 4 aired on November 18, 2010 at 10 PM ET.
Ancient Aliens
Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings to continued mass sightings in the US, each episode gives historic depth to the questions, speculations, provocative controversies, first-hand accounts and grounded theories surrounding this age old debate.
Created by: Kevin Burns
Season 2 · Episode 4
Underground Aliens
Aired Nov 18, 2010at 10PM·44m
If extraterrestrials influenced human history, can evidence of their existence be found in hidden tunnels and caverns around the world? Could a cave in Ecuador contain metallic books inscribed with secrets of alien technology? Was an ancient underground city in Turkey built with alien help... or as a refuge from an alien attack? Rumors of the U.S. military working alongside aliens in a secret base inside a mesa in New Mexico continue to swirl, Native American legends mention strange inner-Earth beings, and recent archaeological discoveries in the Yucatan may point to an extraterrestrial reality behind.
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How long is Ancient Aliens Season 2 Episode 4?
This episode runs for approximately 44 minutes.
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