What episode of ancient aliens talks about the oak island money pit?

It was featured on the 4th episode of the first season called "Closer Encounters", where they briefly touch on the famed Nova Scotia's Oak Island "money pit" and the infamous "Battle of Los Angeles".

Ancient Aliens explores the controversial theory that extraterrestrials have visited Earth for millions of years.

From the age of the dinosaurs to ancient Egypt, from early cave drawings to continued mass sightings in the US, each episode in this hit HISTORY series gives historic depth to the questions, speculations, provocative controversies, first-hand accounts and grounded theories surrounding this age old debate.

To watch Ancient Aliens full episodes, videos and more, go to www.history.com/shows/ancient-aliens.

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