S19·E20 The Top Ten Alien Petroglyphs
Synopsis
Counting down the top ten alien petroglyphs around the world, from strange, human-like figures to flying craft and carvings of what appear to be astronauts. Could these mysterious carvings provide a record of extraterrestrial visitation?
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Frequently Asked Questions
When did Season 19 Episode 20 of Ancient Aliens air?
Season 19, Episode 20 ('The Top Ten Alien Petroglyphs') originally aired on September 15, 2023.
How long is Season 19 Episode 20 ('The Top Ten Alien Petroglyphs')?
The runtime for this episode is approximately 41 minutes.
What happens in Ancient Aliens Season 19 Episode 20?
Counting down the top ten alien petroglyphs around the world, from strange, human-like figures to flying craft and carvings of what appear to be astronauts. Could these mysterious carvings provide a record of extraterrestrial visitation?...
All Ancient Aliens episode ratings Season 19 Where to watch
Top-rated Ancient Aliens episodes
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