In Memphis, a killer vanishes from inside a sealed gas station after shooting the attendant to death. Meanwhile a nine-year-old Miami girl is killed in a shootout between two men.

Loved To Death/Unmasked: In Memphis, Sgt Caroline Mason and her team respond to a convenience store shooting, where cameras captured the last few moments of a man's life. (S4, ep 1)

Drilling Down on Season 4: Rick, Marty and the Oak Island team meet up with Matty Blake to reveal new discoveries and discuss future plans.

Amazing Discoveries: It's the moment of truth for the fellowship of the dig, as the guys are faced with the burning question as to whether they should quit or continue. (S5, ep 16)

Blood is Thicker (Part Two): In the season finale, the Lagina brothers wrap up their treasure hunt after making a momentous discovery. (S4, ep 16)

Seeing Red: The fellowship battles the shifting tides of Smith's Cove and finds evidence that may support one of Dan Blankenship's early theories. (S5, ep 15)

Blood is Thicker (Part One): The Laginas and their team make what could be the most important discovery in the history of Oak Island. (S4, ep 15)

Steel Trapped: The team hits something in the DMT shaft that may prove to be the last thing standing between it and the answers below. (S5, ep 14)

Of Sticks and Stones: Rick and Marty Lagina face a major dilemma as they continue their search for the original Oak Island Money Pit. (S4, ep 14)

Unhinged: The plot thickens around the discovery of the lead cross as a new theory points to possible ancient origins. (S5, ep 13)