S4.E1 ∙ Going for BrokeMon, Nov 14, 2016Rick and Marty Lagina return to Oak Island to prepare for a major excavation of the Money Pit.7.7/10 (89)Rate
S4.E2 ∙ Always ForwardMon, Nov 21, 2016Rick and Marty Lagina investigate a mysterious "Hatch" which may be a secret entrance to an underground treasure tunnel on Oak Island.7.4/10 (83)Rate
S4.E3 ∙ Swamp ThingsMon, Nov 28, 2016The Lagina brothers find evidence of what could turn out to be an ancient shipwreck in the Oak Island swamp.7.5/10 (83)Rate
S4.E4 ∙ No Stone UnturnedMon, Dec 5, 2016Rick and Marty Lagina begin their search for a centuries-old treasure vault in the Oak Island Money Pit.7.5/10 (78)Rate
S4.E5 ∙ BullseyeMon, Dec 12, 2016Rick and Marty Lagina believe they have finally located an ancient treasure vault in the Oak Island Money Pit.7.6/10 (78)Rate
S4.E6 ∙ Circle in the WoodMon, Dec 19, 2016The Laginas decide to move their Money Pit operation in hopes of finding a strange golden object.7.5/10 (80)Rate
S4.E7 ∙ All That GlittersMon, Dec 26, 2016As Rick and Marty Lagina begin a second massive dig in the Money Pit, possible proof of a shipwreck is located in the swamp.7.9/10 (84)Rate
S4.E8 ∙ The Mystery of Samuel BallMon, Jan 2, 2017The Laginas find important evidence linking an 18th century American slave to the Oak Island mystery.7.4/10 (74)Rate
S4.E9 ∙ Echoes from the DeepMon, Jan 9, 2017Rick and Marty Lagina send divers deep into the Money Pit in search of a mysterious golden object.7.6/10 (77)Rate
S4.E10 ∙ About FaceMon, Jan 16, 2017The Oak Island team returns to borehole 10-X in search of new clues.7.3/10 (77)Rate
S4.E11 ∙ Presidential SecretsMon, Jan 23, 2017Rick and Alex Lagina travel to the Franklin D. Roosevelt museum in New York to meet researcher Paul Troutman.7.3/10 (78)Rate
S4.E12 ∙ Hyde Park and Go SeekMon, Jan 30, 2017Rick 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 (77)Rate
S4.E13 ∙ One of SevenMon, Feb 6, 2017The Laginas and their partners make incredible discoveries at Smith's Cove and in the Money Pit.7.5/10 (77)Rate
Top-ratedS4.E14 ∙ Of Sticks and StonesMon, Feb 13, 2017Rick and Marty Lagina face a major dilemma as they continue their search for the original Oak Island Money Pit.8.1/10 (85)Rate
Top-ratedS4.E15 ∙ Blood Is ThickerMon, Feb 20, 2017The 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 (94)Rate