When a couple that George thought were coming over to play bridge also go to watch the show, he decides it's time to get a color set as well.
George's sister Deirdre (Cathy Lewis) announces that she and her family will relocate nearby from Boston.
Deirdre is outraged when Nancy starts dating Hazel's nephew Eddy Burke (Johnny Washbrook), even though he is very nice.
When Dorothy has to host a last minute luncheon, Hazel says she won't have time to make the cake.
George decides to give Hazel the rest of the day off and will take Dorothy and Harold out to eat.
Hazel gets a call from Deirdre's maid and then tells Dorothy and George she's to sick to go out to dinner.
Antique dealer Charlie (Mario Siletti) is hiding his niece Carla (Luciana Paluzzi) and her baby because Great Grandmother Mrs. Hampton (Kathryn Givney) wants to gain custody of the child.
Hazel promises the young Italian mother that George will help her, which puts him in an awkward position.
After hearing the whole story from Dorothy and Hazel, George stands up to Mrs. Hampton and tells her she has no legal grounds to get the baby.
But the evening turns out to be anything but quiet when Tony (Jamie Farr) the owner's wife is about to have a baby.
Stuart Nisbet appears as Elwood Baldwin.. For the final season, the show was moved from NBC to CBS, and changes were made to the main cast of characters.
Hazel and Harold move in with George's brother Steve (Ray Fulmer), his wife Barbara (Lynn Borden), and their daughter Suzy (Julia Benjamin).
Mr. Bullock objects to Hazel serving as Steve's substitute in showing the house and wants to get another realtor.
Hazel, after showing the house to several prospects of various backgrounds, ends up selling it at a good price.
Guest stars include Henry Hunter, Eleanor Audley, Catherine McLeod, Mabel Albertson (Darrin's mother on Bewitched), Jack Dodson (Howard Sprague from The Andy Griffith Show), and Bonnie Franklin (from One Day at a Time).