SPOILER ALERT: This article reveals information from the eight-minute preview of tonight’s The Curse of Oak Island episode. If you’d rather watch it without knowing anything, don’t read on! The latest episode of The Curse of Oak Island airs tonight — and it promises to be a good one. From theories about Sir Francis Drake, to the discovery of a chest-shaped depression, here’s everything we know so far: From the sneak peek A sneak peek at the end of last week’s episode showed an expert discussing the possibility that English sea captain and privateer Sir Francis Drake could have a link...read more