Rick Lagina, Jack Begley and Dave Blankenship are looking for the missing H.O. stone a mysterious carved stone that was part of a larger boulder on the north shore. In Season 3, Episode 5, "Carved in Stone." As the excavation begins, massive excavators uncover timber, blue clay, and groundwater near the legendary Money Pit, raising new questions about centuries-old flood tunnels and hidden vaults. Could these discoveries finally lead to evidence of the Knights Templar, the Ark of the Covenant, or the lost treasure of Oak Island? Watch as the team investigates the Money Pit, searches for the Hedden Shaft, analyzes historical treasure maps, and begins one of the most ambitious digs in Oak Island history. Stay up to date on all of your favorite shows on The HISTORY Channel website at http://history.com/schedule. #TheCurseOfOakIsland 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. The HISTORY® Channel, a division of A+E Global Media, is the premier destination for historical storytelling. From best-in-class documentary events, to a signature slate of industry leading nonfiction series and premium fact-based scripted programming, The HISTORY® Channel serves as the most trustworthy source of informational entertainment in media. The HISTORY® channel has been named the #1 U.S. TV network in buzz for seven consecutive years by YouGov BrandIndex, and a top favorite TV network by Beta Research Corporation. For a deeper dive, visit history.com or follow @history on Instagram, Twitter, Facebook, YouTube and TikTok.