Ancient Aliens
Season 21 Episode 20
7.0 ?
2010
Documentary, Mystery, Sci-Fi & Fantasy
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.
Episodes in Season 21
1
The Top Ten Extraordinary Discoveries
42 min
2
The Top Ten Mysterious Monoliths
42 min
3
The Top Ten UFO Crashes
42 min
4
The Top Ten Unexplained Technologies
42 min
5
The Top Ten Secret Projects
60 min
6
The Top Ten Mysterious Mountains
60 min
7
Mysteries of the Aztecs
60 min
8
The Glowing Orb Phenomenon
60 min
9
The Legacy of J. Allen Hynek
60 min
10
The Volcano Factor
60 min
11
The Birdman Mystery
60 min
12
The Abduction Files
60 min
13
The Giants
60 min
14
Aliens In Our Midst
60 min
15
Britain's UFO Files
60 min
16
Mysteries Of The Norse Gods
60 min
17
Secrets of Japan
60 min
18
Episode 18
19
Episode 19
20
Episode 20
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