Frasier proposes to Diane while they're in Italy and she makes an emergency call to Sam, hoping he'll talk her out of it.

Carla calls together her former classmates from St. Clete's School for Wayward Girls to plot revenge on their former sadistic principal whom she spots drinking at Cheers.

Carla insists that Sam should hire an older woman to replace Diane but she doesn't reckon on Sam's attraction to the woman's daughter.

Diane announces that she's leaving Cheers to accompany Frasier to Italy and Sam throws her a going-away party.

Norm is promoted to company hatchet man because of his unique style for letting people go.

After his second wife Loretta kicks him out, Carla's ex-husband Nick Tortelli comes to Cheers asking Carla to take him back.

Sam faces the ultimate challenge to his skills as a male animal; a lady reporter who has been investigating the Boston singles scene and has heard every line in the book.

Sam stands to lose the bar to an old friend because of a bet that he would marry Jacqueline Bissett before a certain date.

Norm gets arrested when he finishes the route for an ill Cliff, but Cliff refuses to back up Norm's explanation to the authorities.

Sam and the Coach are taking the same night school course in geography, but while Coach studies, Sam dates the teacher.

Sam returns to the mound for a charity softball game against Playboy bunnies, but his competitive spirit ruins the day when he strikes them all out.

The guys take Frasier on a snipe hunt in the woods after Diane asks them to include the psychologist in their masculine pursuits.

Frasier is devastated when he learns that his learned mentor has been dating Carla, who also has a little surprise of her own.

Sam meets one of Diane's intense friends, who has her parents over to meet Sam, their future son-in-law, hours after their first date.

Norm becomes aware of his own mortality and decides to throw it all in and take off for Bora Bora.

After moving in with Fraiser, Diane develops a chronic allergy and believes his beloved dog, Pavlov, causes it.

Carla's ex-husband returns with his new bride, demanding custody of their oldest son. The normally feisty Carla shocks everyone at the bar when she agrees to the request.

Diane meets Frasier's mother, who quietly threatens to kill Diane if she doesn't leave Frasier alone.

The gang is furious when Irene dumps Coach after she wins the lottery. But when Coach refuses to believe that Irene is really gone, everyone worries that he's living in a state of denial.

Coach falls in love with a woman who agrees to marry him while Sam strikes out with her daughter.

Sam makes up an elaborate story to explain how he got shot in the rear end, not wanting to tell everyone the real reason - he was shot at by a jealous husband.

Cliff meets a woman during a costume party at Cheers that he likes very much, but he's afraid to see her again as himself.

Frasier asks Sam for some advice about his more intimate relationship with Diane and Cliff hides out from a vengeful fellow postal employee.

After several sessions with Dr. Fraiser Crane, Sam is getting his life back in order, so Diane feels it's time to tell him the truth about her relationship with the psychiatrist.

Coach asks Diane to return to Cheers from her self-imposed "vacation" to help Sam, who has fallen off the wagon.