A coin which was thought could be a Templar one was found on the show back in Season 2, but it turned out to be a simple metal disc. Watch a newly released teaser for Episode 3 of The Curse of Oak ...

That follows the discovery of a British Charles II coin from 1673 earlier this season, ... The Knights Templar feature strongly on the next episode of The Curse of Oak Island.

Intriguingly, the first arrests of the Knights Templar occurred on Friday, Oct. 13, 1307, per GQ, which is perhaps one of the reasons many people associate Friday the 13th with bad luck.