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Watch Ancient Aliens Full Series Streaming

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.

Title Ancient Aliens
First Air Date 2010-04-20
Last Air Date 2020-02-15
Number of Seasons 15
Number of Episodes 175
Runtime 120 min
Genres ,
Casts Giorgio A. Tsoukalos (), Robert Clotworthy (Narrator)
Plot Keywords 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.,