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Ancient Aliens - Season 20

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.

Runtime: 42:60 minutes

Quality: HD

First air date: Apr 20, 2010

Last air date: Sep 13, 2024

Episode: 259 Episode

Season: 20 Season

IMDb: 4.2