Documentary / Historical / Mystery
USA,
2012, 7 h 20 min
(Length: 44 min)
Cast:
Robert Clotworthy (narrator), Giorgio A. Tsoukalos, David Childress, Erich von Däniken, Seth ShostakEpisodes(10)
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The Mayan Conspiracy (S04E01)
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The Doomsday Prophecies (S04E02)
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The Greys (S04E03)
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Aliens and Mega-Disasters (S04E04)
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The NASA Connection (S04E05)
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Mystery of Puma Punku (S04E06)
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Aliens and Bigfoot (S04E07)
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The Da Vinci Conspiracy (S04E08)
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The Time Travelers (S04E09)
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Aliens and Dinosaurs (S04E10)
Gallery (79)
The Mayan Conspiracy (S04E01)
Photo © History Channel
![Ancient Aliens - Season 4 - The Mayan Conspiracy - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/167/015/167015072_c84861.jpg)
The Mayan Conspiracy (S04E01)
Photo © History Channel
![Ancient Aliens - Season 4 - The Mayan Conspiracy - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/167/015/167015073_122e0e.jpg)
The Doomsday Prophecies (S04E02)
Photo © History Channel
![Ancient Aliens - Season 4 - The Doomsday Prophecies - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/167/015/167015061_a2b211.jpg)
The Greys (S04E03)
Photo © History Channel
![Ancient Aliens - Season 4 - The Greys - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/167/015/167015051_5a3dd1.jpg)
The Greys (S04E03)
Photo © History Channel
![Ancient Aliens - Season 4 - The Greys - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/167/015/167015053_8ded83.jpg)
The Greys (S04E03)
Photo © History Channel
![Ancient Aliens - Season 4 - The Greys - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/167/015/167015054_bc60bd.jpg)
The Greys (S04E03)
Photo © History Channel
![Ancient Aliens - Season 4 - The Greys - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/167/015/167015056_9ec956.jpg)
Aliens and Mega-Disasters (S04E04)
Photo © History Channel
![Ancient Aliens - Season 4 - Aliens and Mega-Disasters - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/167/015/167015043_a4652e.jpg)
Aliens and Mega-Disasters (S04E04)
Photo © History Channel
![Ancient Aliens - Season 4 - Aliens and Mega-Disasters - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/167/015/167015047_6f8634.jpg)
The NASA Connection (S04E05)
Photo © History Channel
![Ancient Aliens - Season 4 - The NASA Connection - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/167/015/167015033_7c574b.jpg)