After dating the Spanish coin they found last summer to 1652, brothers Rick and Marty Lagina return to Oak Island and the strange triangle-shaped swamp to look for more clues to this 200-year-old mystery. false 2017-10-04 16:23:28 7.9 2014 TV-PG tt4172150 4985876 42 Documentary Reality-TV https://www.thetvdb.com/banners/episodes/276515/4985876.jpg Rick Lagina Himself Actor https://www.thetvdb.com/banners/actors/362281.jpg Marty Lagina Himself Actor https://www.thetvdb.com/banners/actors/362282.jpg Robert Clotworthy Narrator Actor Craig Tester Craig Tester Actor https://www.thetvdb.com/banners/actors/362283.jpg 1 2 2014-11-04 png png 300 300 1:1 1:1 90000 progressive False False