Friday the 13th: The Series (1987)

S1E22 The Pirate's Promise

Micki and Ryan follow the trail of a haunted foghorn to a remote community. Unbeknownst to them, the local lighthouse keeper is using the foghorn to call forth the spirit of pirate Angus MacBride, who exacts vengeance on his descendants for sharing clues about his buried treasure. As the story unfolds, the keeper realizes he is the final descendant of MacBride, and the pirate captain finally gathers his long-awaited crew.