History has renewed six of its biggest unscripted series, including a 30-hour Season 6 order for flagship "The Curse of Oak Island"  which ranks as cable’s top nonfiction series among total viewers in Live +3, averaging over four million viewers. It is one of History’s largest orders ever. Additionally, the cable network has picked up a 10-episode second season of Oak Island’s offshoot,"The Curse of Civil War Gold" , the top nonfiction series launch across cable this season with total viewers. Both series are produced by Prometheus Entertainment and feature original music by Spirit Music Collective.