Fair rating?Ancient Aliens· Season 19 · Episode 20
The Top Ten Alien Petroglyphs
"Ancient Aliens" is looking at alien petroglyphs around the world; from strange, human-like figures to flying craft and carvings of what appear to be astronauts...
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#20In Season 19of 20 rated episodes
#284All-timeof 285 rated episodes
−0.7vs season avgSeason 19 averages 6.7
2023First airedSeptember 15, 2023