It is believed that the Oak Island treasure was placed there, but why who? Find out the top 3 suspects in this, The Curse of Oak Island compilation. 1:28 - Prince Henry Sinclair 4:23 - The Knights Baronet 7:59 - The Portuguese Order of Christ Watch all new episodes of The Curse of Oak Island, Tuesdays at 9/8c, and catch up on previous episodes at www.history.com #OakIsland Subscribe for more from The Curse of Oak Island and other great The HISTORY Channel shows: http://histv.co/SubscribeHistoryYT Find out more about the series and watch full episodes on our site: https://histv.co/OakIsland Check out exclusive The HISTORY Channel content: History Newsletter - https://histv.co/newsletter Website - https://histv.co/History Facebook - https://histv.co/Facebook Instagram - https://www.instagram.com/history TikTok - https://www.tiktok.com/@history "The Curse of Oak Island" follows brothers Marty and Rick Lagina as they investigate the mystery of a buried treasure on Oak Island off the coast of Nova Scotia, Canada. HISTORY® is the leading destination for award-winning original series and specials that connect viewers with history in an informative, immersive, and entertaining manner across all platforms. The network’s all-original programming slate features a roster of hit series, premium documentaries, and scripted event programming.