![Ancient Aliens: Knights Templar Excavate the Holy Ark (Season 18) Ancient Aliens: Knights Templar Excavate the Holy Ark (Season 18)](https://i.ytimg.com/vi/dO83KdlMSMY/maxresdefault.jpg)
It is believed that the Knights Templar uncovered the Ark of the Covenant during an important excavation, in this clip from Season 8, "Recovering the Ark of the Covenant." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite The HISTORY Channel ...
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