S4.E1 ∙ Going for Broke Mon, Nov 14, 2016 Rick and Marty Lagina return to Oak Island to prepare for a major excavation of the Money Pit. 7.6 /10
S4.E2 ∙ Always Forward Mon, Nov 21, 2016 Rick and Marty Lagina investigate a mysterious "Hatch" which may be a secret entrance to an underground treasure tunnel on Oak Island. 7.3 /10
S4.E3 ∙ Swamp Things Mon, Nov 28, 2016 The Lagina brothers find evidence of what could turn out to be an ancient shipwreck in the Oak Island swamp. 7.4 /10
S4.E4 ∙ No Stone Unturned Mon, Dec 05, 2016 Rick and Marty Lagina begin their search for a centuries-old treasure vault in the Oak Island Money Pit. 7.4 /10
S4.E5 ∙ Bullseye Mon, Dec 12, 2016 Rick and Marty Lagina believe they have finally located an ancient treasure vault in the Oak Island Money Pit. 7.5 /10
S4.E6 ∙ Circle in the Wood Mon, Dec 19, 2016 The Laginas decide to move their Money Pit operation in hopes of finding a strange golden object. 7.4 /10
S4.E7 ∙ All That Glitters Mon, Dec 26, 2016 As Rick and Marty Lagina begin a second massive dig in the Money Pit, possible proof of a shipwreck is located in the swamp. 7.8 /10
S4.E8 ∙ The Mystery of Samuel Ball Mon, Jan 02, 2017 The Laginas find important evidence linking an 18th century American slave to the Oak Island mystery. 7.4 /10
S4.E9 ∙ Echoes from the Deep Mon, Jan 09, 2017 Rick and Marty Lagina send divers deep into the Money Pit in search of a mysterious golden object. 7.6 /10
S4.E10 ∙ About Face Mon, Jan 16, 2017 The Oak Island team returns to borehole 10-X in search of new clues. 7.3 /10
S4.E11 ∙ Presidential Secrets Mon, Jan 23, 2017 Rick and Alex Lagina travel to the Franklin D. Roosevelt museum in New York to meet researcher Paul Troutman. 7.3 /10
S4.E12 ∙ Hyde Park and Go Seek Mon, Jan 30, 2017 Rick and Marty decide to dig a third hole at the Money Pit after Rick finds even more evidence connecting Oak Island to the Knights Templar. 7.3 /10
S4.E13 ∙ One of Seven Mon, Feb 06, 2017 The Laginas and their partners make incredible discoveries at Smith's Cove and in the Money Pit. 7.5 /10
S4.E14 ∙ Of Sticks and Stones Mon, Feb 13, 2017 Rick and Marty Lagina face a major dilemma as they continue their search for the original Oak Island Money Pit. 8.1 /10
S4.E15 ∙ Blood Is Thicker Mon, Feb 20, 2017 The team finds out what the mysterious metal spike really is. They also make new important discoveries while their drill season comes to an end as winter approaches. 7.9 /10
