Tom Bosley's last appearance in the recurring role of Sheriff Amos Tupper. Bosley left the series to have the lead role in Father Dowling Mysteries (1989).
The title refers to General Benedict Arnold who tried to betray the colonies during the American Revolution to the British. Though he did escape to England, his name has become a noun meaning the worst kind of treason and betrayal.
Jessica makes a comment about George Washington having slept in the house, a playful reference to the film George Washington Slept Here (1942) based on the stage play of the same name.