Cliff falls head over heels for Carla's innocent-looking younger sister, who is sitting in for Carla while she has her baby. But what Cliff doesn't know is that she isn't as innocent as she looks.
Diane doesn't tell Sam that she is going out to dinner with her ex-fiancé Sumner and his wife, because she thinks he will embarrass her if he comes along.
Coach becomes a youth league baseball coach. But his competitive nature turns him from lovable guy to angry tyrant. Cliff gets a raise and treats Norm to dinner. Carla brings her newborn to cheers for breastfeeding.
Dick Cavett encourages Sam to write a book about his playing days, and Diane helps him do it. Meanwhile, Norm's old rival for Vera wants to make a move on her now that she and Norm are separated.
Sam agrees to be Carla's date for her ex-husband Nick's wedding. And Sam's appearance makes Nick jealous, and causes him to ask Carla to take him back.
A man in the bar becomes sick of Cliff's obnoxious know-it-all behavior and challenges him to a fight. Will Cliff shut up, accept the challenge, or run away?
Carla has everyone convinced that the bar's new fortune-telling machine can predict the future. But does that include Diane's fortune that seems to indicate that her relationship with Sam could be in trouble?
Sam says he's going to Vermont for a funeral, but Diane knows he's really going on a ski weekend with his buddies. And Cliff gets jealous of Norm's new friendship with another guy.
Diane follows through with getting her portrait painted behind Sam's back. But the artist predicts that if she shows it to Sam, she will never see him again.