![Ancient Aliens: Mysterious 2,000-Year-Old Skull Linked to Alien Life (Season 18) Ancient Aliens: Mysterious 2,000-Year-Old Skull Linked to Alien Life (Season 18)](https://i.ytimg.com/vi/Y1Rpx3EAptQ/maxresdefault.jpg)
Ancient Astronaut Theorists examine a 2,000-year-old elongated skill with possible extraterrestrial ties, in this clip from Season 18, "Ancient Aliens On Location: Evidence of Alien Life." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and next day on The HISTORY Channel website at ...
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