That Was the Night That Was - S4.E28

Late one evening, Uncle Joe and Sam, following a lodge meeting, run across a mysterious fellow looking for lodging. He calls himself Dr. Isaac Newton and claims that he's a geophysicist. Because of his all-knowing behavior, and the mysterious occurrences that have happened that night, they start to believe he may be an alien from outer space. Floyd and Charley know that Dr. Newton is starting to make Kate nervous. Despite the secretive nature of their lodge, the men offer to hold their upcoming lodge meeting, where Uncle Joe is going through an important initiation process, at the hotel. They hope that this ensures that Kate and the girls feel safe from Dr. Newton. Goings-on during and after the initiation ceremony ultimately settle Kate's mind about Dr. Newton.