Believing the mansion is haunted, the household hires a local ghostbuster; Madame hosts comedian George Gobel on her show, and the two compete to see who has the worse memory.

Madame continues efforts to banish the ghosts of Groucho and Harpo Marx, whose practical jokes from beyond have the household up in arms; heartthrob John Schneider promotes his latest film and record album on Madame's show.