When did Ancient Aliens Season 5 Episode 1 air?
Ancient Aliens Season 5 Episode 1 aired on December 21, 2012.


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.

For thousands of years, pyramids were the largest structures on Earth. The best known were constructed in Egypt and Central America, but others have been found all around the world, including in China, Africa and Indonesia. But what purpose did the pyramids serve? Researchers explore strange similarities between all pyramids, as well as the geographic, strategic and otherworldly connections between these mysterious monumental structures.
Direct answers for episode-level questions and details.
Ancient Aliens Season 5 Episode 1 aired on December 21, 2012.
This episode runs for approximately 44 minutes.
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