Ancient Aliens Season 13 Episode 2
Researchers claim there are hidden messages that can be found within the works of Leonardo da Vinci–and other art throughout history–that may reveal an extraterrestrial influence.
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TV-Show Info Page: Ancient Aliens TV-Show Info
Episode Title: Da Vinci's Forbidden Codes
Air Date: 2018-05-04
Season 13 Episodes List:
Episode 1 - The UFO ConspiracyEpisode 2 - Da Vinci's Forbidden CodesEpisode 3 - The Alien ProtocolsEpisode 4 - Earth's Black HolesEpisode 5 - The Desert CodesEpisode 6 - Area 52Episode 7 - Earth Station EgyptEpisode 8 - Island of the GiantsEpisode 9 - The TakenEpisode 10 - The SentinelsEpisode 11 - Russia DeclassifiedEpisode 12 - They Came From the SkyEpisode 13 - The Artificial HumanEpisode 14 - The Alien PhenomenonEpisode 15 - Return to Mars