Carol presents a new character, a do-gooder named Mary Worthless; Peggy Lee sings "A Song for You"; Stiller & Meara play Mr. and Mrs. Chou En-lai; Carol and Peggy duet on "Girl Talk"; a circus-themed episode of "As the Stomach Turns"; examples of the different ways men and women react to car accidents; and a wealthy couple meet their low-class soon-to-be in-laws in "Street Wedding".