In the four years of the show, this is the first time that Harry has had a sexual relationship with any of the women on the show. Although he has had feelings, it has never been acted on.
Ann Turkel [Judge Eve Gardner] and the late Markie Post [Christine Sullivan] both worked together in one episode of The Fall Guy, where Markie was a regular. They both starred in Massarati and The Brain (1982)
Harry's vacation traced the route Chico Marx's orchestra (with Mel Torme) took from Chicago to Los Angeles in the summer of 1942. The orchestra played in Chicago from May 22-28, 1942, Los Angeles from August 12-19, and then, again, in Chicago from October 7 to January 24.