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 ShostakVOD (1)
Episodes(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 (78)
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/167/015/167015065_200df2.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/167/015/167015052_8f9e53.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/167/015/167015055_4b0084.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/167/015/167015057_7b8c2f.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/167/015/167015058_03cc3a.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/167/015/167015038_93e0ab.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/167/015/167015039_b6df7a.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/167/015/167015040_9a61da.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/167/015/167015041_facb3f.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/167/015/167015042_827706.jpg)