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What "Ancient Aliens" 13-th episode about
Ancient Aliens has examined the oldest and most mysterious rock art on Earth-up close and in person. Now, Giorgio Tsoukalos takes a look back at the incredible hieroglyphs, petroglyphs, and geoglyphs that he believes tell a worldwide story-of alien visitation.
Episode number: 13
Episode name: "Ancient Aliens On Location: Decoding The Alien Glyphs"
Episode release date: 23 july 2022 at 01:00
Status: aired