Coach gets Diane to return to Cheers in order to help Sam stop drinking again.
Diane can't bring herself to tell Sam that the doctor who helped him stop drinking, Dr. Frasier Crane, is her new boyfriend.
Frasier seeks relationship advice from Sam regarding Diane. A fellow postal carrier wants revenge against Cliff.
Cliff is nervous about meeting an attractive woman in person, after meeting her at a Cheers costume party.
Sam lies about how he was shot in the buttocks by a jealous husband.
Coach asks a woman to marry him. Meanwhile, Sam tries and fails to win over the woman's daughter.
The woman who agreed to marry Coach dumps him after winning the lottery.
Frasier's mother threatens to kill Diane if she doesn't dump Frasier.
Carla agrees to give custody of one of her children to her ex-husband Nick.
Diane starts to suffer from a strange allergy when she moves in with Frasier.
Norm decides to move to Bora Bora after a health scare.
Just a few hours after dating one of Diane's friends, Sam is brought over to meet the date's parents as if they are engaged to marry.
Frasier is upset to learn that not only has his mentor been dating Carla, but she's pregnant with his child.
Diane convinces the guys at the bar to include Frasier in their hunting expedition.
Sam strikes out a group of Playboy bunnies at a celebrity softball game, thereby striking out with any chance of dating the bunnies.
While in the same geography night class, Coach studies the text, while Sam studies the teacher.
A sick Cliff refuses to tell the police why Norm was finishing his mail route for him.
Sam reveals that he bet he would marry Jacqueline Bissett before a certain upcoming date and the friend has come to collect on the bet.
Sam tries to date a reporter who is an expert in the Boston singles scene.
Carla's ex-husband tries to win her back after his new wife dumps him.
Norm doesn't like that he's been promoted to the job of firing people in his company.
Sam puts together a going-away party for Diane, who has agreed to move to Italy with Frasier.
Carla pressures Sam to hire an older woman, which Sam agrees to when he fancies the woman's daughter.
Carla and her classmates from school plot revenge against a new Cheers patron, her former school principal.
Diane tries to get out of a marriage proposal to Frasier, by appealing to Sam.