<Tr> <Td_colspan="5"> <P> The team is interviewed at the end of season . The wood from borehole 10 - X is carbon dated as being from 1670 - 1780 . A new cipher is decoded leading the team to once again believe that there is a "hatch" somewhere on the island . The team wants to continue searching the swamp . The team proposes pumping borehole 10 - X dry to enable yet another round of searches . The team wants to search more of the Island with metal detectors in the future . </P> Note: This episode is a special . </Td> </Tr> <P> The team is interviewed at the end of season . The wood from borehole 10 - X is carbon dated as being from 1670 - 1780 . A new cipher is decoded leading the team to once again believe that there is a "hatch" somewhere on the island . The team wants to continue searching the swamp . The team proposes pumping borehole 10 - X dry to enable yet another round of searches . The team wants to search more of the Island with metal detectors in the future . </P> <Table> <Tr> <Th> No . overall </Th> <Th> No. in season </Th> <Th> Title </Th> <Th> Original air date </Th> <Th> Viewers (millions) </Th> </Tr> <Tr> <Th> 45 </Th> <Td> </Td> <Td> "Forever Family" </Td> <Td> November 7, 2017 (2017 - 11 - 07) </Td> <Td> 2.95 </Td> </Tr> <Tr> <Td_colspan="5"> A diver is sent to the bottom of borehole C - 1 . Mud is recovered . A nail is found in an old spoils pile from GAL - 1 . A copper coin is found in the woods near Issac's Point . </Td> </Tr> <Tr> <Th> 46 </Th> <Td> </Td> <Td> "Dead Man's Chest" </Td> <Td> November 14, 2017 (2017 - 11 - 14) </Td> <Td> 2.98 </Td> </Tr> <Tr> <Td_colspan="5"> The sea chest of a captain who lived in Nova Scotia in the 1780s is examined . Salt water starts coming out the top of borehole C - 1 . Another copper coin is found on the island . </Td> </Tr> <Tr> <Th> 47 </Th> <Td> </Td> <Td> "Obstruction" </Td> <Td> November 21, 2017 (2017 - 11 - 21) </Td> <Td> 2.85 </Td> </Tr> <Tr> <Td_colspan="5"> Two old British copper coins are found in the woods . The Province of Nova Scotia requests that an archaeologist be on site on Oak Island as an adviser to the treasure hunters . Part of a metal spoon and round rocks are discovered under tree stumps . Based on the rocks and the spoon pieces, Marty Lagina concludes that "something must have happened here". A small piece of scrap metal is found in the mud brought up from one of the new boreholes being drilled in the "money pit" area . </Td> </Tr> <Tr> <Th> 48 </Th> <Td> </Td> <Td> "Close Call" </Td> <Td> November 28, 2017 (2017 - 11 - 28) </Td> <Td> 3.36 </Td> </Tr> <Tr> <Td_colspan="5"> Drilling below bedrock, the team discovers a void in the rock . A hose on the drill detaches resulting in a worker falling backward and suffering a minor injury to his wrist . Drilling is halted for over a week . A toy gun is found in the woods and the team launches an investigation of it . Lee Lamb and Richard Restall visit the island . Richard Restall is identified conclusively as the owner of the toy gun . </Td> </Tr> <Tr> <Th> 49 </Th> <Td> 5 </Td> <Td> "Bone Dry" </Td> <Td> December 5, 2017 (2017 - 12 - 05) </Td> <Td> 3.16 </Td> </Tr> <Tr> <Td_colspan="5"> An iron spike is found on the beach . Some small pottery fragments are brought up from one of the boreholes . Two human bone fragments were recovered and sent in for testing . </Td> </Tr> <Tr> <Th> 50 </Th> <Td> 6 </Td> <Td> "Remains of the Day" </Td> <Td> December 12, 2017 (2017 - 12 - 12) </Td> <Td> 3.01 </Td> </Tr> <Tr> <Td_colspan="5"> A piece of leather is found . Rick Lagina has headaches and a rash . He is later diagnosed as having lyme disease . The team intends to have the previously discovered human bone fragments carbon dated . </Td> </Tr> <Tr> <Th> 51 </Th> <Td> 7 </Td> <Td> "The Lot Thickens" </Td> <Td> December 19, 2017 (2017 - 12 - 19) </Td> <Td> 3.13 </Td> </Tr> <Tr> <Td_colspan="5"> A theory is presented that Sir Francis Drake is buried on Oak Island in a vault with gold treasure . It is suggested that the lack of any records documenting Drake travelling to Canada is proof that he must have travelled to Canada . A theory is presented that the scrap leather piece found is from a book binding . A patch of ground is excavated and nothing is found . </Td> </Tr> <Tr> <Th> 52 </Th> <Td> 8 </Td> <Td> "Dan's Breakthrough" </Td> <Td> January 2, 2018 (2018 - 01 - 02) </Td> <Td> 3.31 </Td> </Tr> <Tr> <Td_colspan="5"> The team discovers a horseshoe, a piece of shot and another coin . It is discovered that one of the words on the Zena Halpern map is the name of a French family (Rochefoucauld) who participated in the Crusades . The team presents an unsupported theory that Samuel de Champlain was ordered to incorrectly map Nova Scotia to hide Oak Island by Pierre Dugua, Sieur de Mons at the direction of Rochefoucauld family . The team decides to send several members to France for further investigation of the theory . The testing on the human bone fragments (found in episode 5) indicated that they dated in a range from 1682 AD to 1764 AD . </Td> </Tr> <Tr> <Th> 53 </Th> <Td> 9 </Td> <Td> "The French Connection" </Td> <Td> January 9, 2018 (2018 - 01 - 09) </Td> <Td> 3.02 </Td> </Tr> <Tr> <Td_colspan="5"> A small pottery fragment is found on Lot 24 . It is determined that the rocks found in Season Five Episode 3 are not consistent with the foundation of a house . The team theorizes, without evidence, that there must have been a "watchtower" on Lot 24 . In France, the team establishes that there is no connection between the Rochefoucauld family and the Knights Templar . A Zena Halpern map is examined again and it is determined that the English translations of the map done to present have been incorrect . The team looks at cave carvings in France and consults an expert in the Knights Templar . The team observes a pattern in part of a cave carving that they claim is roughly similar to an upside - down image of the Rochefoucauld family coat of arms and conclude that the family must be linked to the Knights Templar . They find a carving of a multi-armed cross and offer an unsupported theory that it is a representation of the "Tree of Life" and that it is the same as Nolan's Cross on the island . A theory is presented that the cave carving may represent an "earlier version" of the "Tree of Life". Based on the information discovered in France, the team concludes that the Oak Island swamp should be excavated again . </Td> </Tr> <Tr> <Th> 54 </Th> <Td> 10 </Td> <Td> "The Signs Of A Cross" </Td> <Td> January 16, 2018 (2018 - 01 - 16) </Td> <Td> 3.34 </Td> </Tr> <Tr> <Td_colspan="5"> Eight pages of what is alleged to be a transcript of an incomplete log of an unnamed ship are presented . It is claimed, without any evidence, that the log is from a French ship which participated in the Duc d'Anville Nova Scotia expedition of 1746 . More wood, a bone and a metal spike are brought up from a borehole in the money pit area . The shaft excavation reaches an obstruction at 170 feet . A small lead cross is found at Smith's Cove . It is theorized, with no supporting evidence, that crosses with an attaching loop at the top were used by members of the Knights Templar and that this lead cross dates from the years 1200 to 1600 . </Td> </Tr> <Tr> <Th> 55 </Th> <Td> 11 </Td> <Td> "Moving Targets" </Td> <Td> January 23, 2018 (2018 - 01 - 23) </Td> <Td> 3.32 </Td> </Tr> <Tr> <Td_colspan="5"> A spoon handle and a piece of brass are found at Smith's Cove . More pottery fragments, another bone and small bits of leather are found in the material brought up from borehole H8 . The team debates the location of the "Chappel Vault". </Td> </Tr> <Tr> <Th> 56 </Th> <Td> 12 </Td> <Td> "A Key to the Mystery" </Td> <Td> January 30, 2018 (2018 - 01 - 30) </Td> <Td> 3.25 </Td> </Tr> <Tr> <Td_colspan="5"> The team gains access to Fred Nolan's survey maps of the island but have difficulty interpreting them . A folding metal key is examined . Searching for a local dumpsite, the team digs a trench on Lot 12 near the former house of Fred Nolan . Pottery fragments are found in the trench . </Td> </Tr> <Tr> <Th> 57 </Th> <Td> 13 </Td> <Td> "Unhinged" </Td> <Td> February 6, 2018 (2018 - 02 - 06) </Td> <Td> 3.32 </Td> </Tr> <Tr> <Td_colspan="5"> More pottery fragments and a metal hinge are found at the Nolan dumpsite . A part of the swamp is drained and a wooden stake is found . Zena Halpern is shown a picture of the lead cross and claims it is not a cross, but the symbol of the Phoenician goddess Tanit . She further makes unsupported claims that the cross is around 3200 years old (dating to 1200 BC) and that the Knights Templar worshiped Tanit . The drilling of the latest borehole encounters an obstruction at 75 feet . </Td> </Tr> <Tr> <Th> 58 </Th> <Td> 14 </Td> <Td> "The Templar Connection" </Td> <Td> February 13, 2018 (2018 - 02 - 13) </Td> <Td> 2.34 </Td> </Tr> <Tr> <Td_colspan="5"> <P> A history of the Knights Templar is presented along with speculative theories about how they might have been involved with Oak Island . </P> Note: This episode is a special . </Td> </Tr> <Tr> <Th> 59 </Th> <Td> 15 </Td> <Td> "Steel Trapped" </Td> <Td> February 20, 2018 (2018 - 02 - 20) </Td> <Td> 2.99 </Td> </Tr> <Tr> <Td_colspan="5"> Independent researcher Kathleen McGowan Coppens offers an unsupported theory that the lead cross was part of a necklace used by Templars to smuggle gold . She also claims that the country of Canada was named by the Templars after the town of Sarlat - la - Canéda in France . A rusty keyhole plate is found in the woods . On examination, the exposed surface of the drilling obstruction at the money pit appears to be rocks and clay soil . The borehole later fills with water . The team arranges for a diver to go down the borehole . </Td> </Tr> <Tr> <Th> 60 </Th> <Td> 16 </Td> <Td> "Seeing Red" </Td> <Td> February 27, 2018 (2018 - 02 - 27) </Td> <Td> 3.02 </Td> </Tr> <Tr> <Td_colspan="5"> An excavation is done at Smith's cove and wood is found . The team plans for further excavations at Smith's cove next year . A button claimed to be from the 1700s and an old jewelry fragment are located by metal detector . </Td> </Tr> <Tr> <Th> 61 </Th> <Td> 17 </Td> <Td> "A Family Album" </Td> <Td> February 27, 2018 (2018 - 02 - 27) </Td> <Td> 1.98 </Td> </Tr> <Tr> <Td_colspan="5"> <P> The episode includes accounts of activities on the Oak Island by the McGinnis family, descendants of Samuel Ball, William Chappell's family, the Restall Family and the family of Robert Dunfield . The Blankenship / Nolan disputes on Oak Island are discussed . The episode ends with a short history of the Lagina brothers' interest in Oak Island . </P> Note: This episode is a special . </Td> </Tr> <Tr> <Th> 62 </Th> <Td> 18 </Td> <Td> "Amazing Discoveries" </Td> <Td> March 6, 2018 (2018 - 03 - 06) </Td> <Td> 2.89 </Td> </Tr> <Tr> <Td_colspan="5"> The gem in the Jewelry fragment found on the island is a Rhodolite Garnet stone of small value . The drilling obstruction in the "money pit" borehole is determined by divers to be a granite boulder . </Td> </Tr> </Table> <Tr> <Th> No . overall </Th> <Th> No. in season </Th> <Th> Title </Th> <Th> Original air date </Th> <Th> Viewers (millions) </Th> </Tr>

The curse of oak island season 5 episode 18 synopsis
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