Rebecca spots Lilith with another man, and doesn't know whether to tell Frasier. Later, Lilith confesses to Frasier that she cheated on him - once. Frasier is devastated, and after he and Lilith talk about it, Frasier asks Lilith to tell her lover the affair is over. Lilith goes to see him - and then comes back saying she wants to leave Frasier. Meanwhile Sam hires a bouncer named Tiny, but can't bring himself to fire Tiny when nobody wants to go near him.

Sam goes to Mexico to open a new bar for the company, robbing Rebecca of her ""fiance"" and her only defense against the marriage proposal of her baby boss.

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.

Carla and Eddie plan to get married if they can get past superstition, Eddie's mother, Carla's children, and Rebecca's nerves as she waits for her boss to show up at the bar.

Cliff is opposed to selling out the family home so a convenience store can be built there, but his mother is all for the idea. Meanwhile, the gang tries to find out about Rebecca's college knickname- ""Backseat Becky"".

Rebecca puts Sam off by telling him that from now on she'll only date men who can advance her career, and then she meets her younger-than-springtime new boss.

Carla throws a jealous fit when she suspects that Eddie is fooling around with someone from the ice show.

Rebecca accuses a respected authority on marital fidelity of making a pass at her.

Carla is reluctant to accept the crystal ball passed to her by the retiring psychic, Madame Lazora.

Lilith informs Frasier that she wants to spend a year away from him, sealed in a biosphere with her lover. Frasier reacts to this like any trained psychiatrist - he steps onto the ledge of Melville's and threatens to jump if Lilith leaves him. Lilith and Sam manage to talk him down, but Lilith insists their marriage is over. Once Lilith has gone, Frasier's friends rally round in support of him.

Diane and Carla console Loretta, who has caught Nick cheating on her. They counsel her to stand on her own two feet and leave Nick. When Nick comes into the bar to claim her back, a chivalrous Sam stands up for her. Nick takes that as a sign that Sam has stolen Loretta from him. So Nick threatens to steal the same from Sam, that being Diane. Nick makes an attempt to wine and dine Diane, then Loretta, then Carla and then any of the three who will give him the time of day. Meanwhile, Frasier, the chess expert, has met his match in simpleton Woody.

Lilith and Rebecca throw a teenage slumber party to cheer up Carla after she learns she's soon going to be a grandmother.

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

Carla and Eddie plan to get married if they can get past superstition, Eddie's mother, Carla's children, and Rebecca's nerves as she waits for her boss to show up at the bar.

Woody meets an elderly woman while wearing his makeup for the role of Mark Twain, and begins dating her.

Carla has a secret that's about to be revealed:she's five months pregnant.

Not wanting to appear lonely and dateless whilst going to her ex-husband Nick's wedding ceremony to blonde bimbo Loretta, Carla asks Sam to accompany her.

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

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 asks Sam to partner her in a dance contest where their main competition is Nick and Loretta.

Carla and Eddie are now in a relationship. Ever since Carla blew him the kiss and Eddie let in that cheap goal, Eddie has been on a slump. The most superstitious couple ever, Eddie and Carla analyze Eddie's life routine since the slump started, the only change in routine being Carla in his life. Not only does Carla come to the conclusion that she may be a jinx, but so does every one else in the bar. Carla has to decide to dump Eddie and have him regain his winning streak, or stay with Eddie at the price of the Bruins. Or is there another solution? Meanwhile, Diane is still at the trial and still talking to whoever will listen to her. Reminiscent of 12 Angry Men (1957), Diane stands alone in the jury as the dissenting voice thinking that the accused is guilty, comparing the relationship of the accused and his victim wife to Sam and herself. If she can't win in the court of law, she figures, out of a streak of good luck, that she can win outside the legal system.

On his postal route, Cliff is bitten by a dog, and decides to sue the owner for $200,000. Madeline, the dog's owner, ends up being a beautiful, voluptuous woman, but one that is up front about wanting to help Cliff despite the fact that she has little money. Cliff and Madeline start dating, the gang at the bar thinking that it only a ploy on her part for Cliff not to sue. Cliff realizes this is the case, but is still dating her in hopes of trading dropping the lawsuit for a roll in the sack. Madeline announces to everyone that her lawyer wants her to get Cliff to sign a waiver to absolve her of any responsibility, but she refuses to do so. Perhaps Madeline really does like Cliff. Or maybe she's got other methods of getting her way. Madeline and Cliff make it all the way to bed in a nice suite at the Ritz, when... Meanwhile, Diane is off on a Buddhist monastery retreat for a couple of weeks.

Christmas Eve is depressing at Cheers as Sam rushes to find Rebecca a gift, Rebecca makes everyone work late, and Norm's Santa Claus buddies gather to celebrate the end of the season.

Annie Tortelli fills in for Carla at Cheers and Mr. Drake makes Rebecca turn green by personally hiring a pretty young woman to work at Cheers.

Carla faces an audit while Rebecca's mentor, her business school professor, makes an investment in Sam.