Cheers - Season 4 (1985)

Sam accidentally convinces Carla's son Anthony to get married, Cliff is convinced that he's grown a potato that looks like Richard Nixon, and Diane blows her opportunity to get a part-time position at the university.

Diane dreams that "Andy Andy" has escaped form a mental institution and is coming to kill her. But when she wakes from her nightmare, "Andy Andy" shows up at the bar to ask a favor.

Sam loans Diane $500 to buy a book autographed by Ernest Hemmingway. She later gives the book to Sam as collateral until she pays back the loan, but Sam accidentally destroys it.

The guys at the bar feel sorry for Carla because nobody has responded to her newspaper singles ad. So they start sending her romantic responses from a fictional airline pilot.

Norm's neighbor tells him that she suspects that Vera is having an affair with her husband, and Sam must apologize for degrading Diane on a call-in radio show.

After suffering a humiliating loss to Gary's Olde Town Tavern in softball, the gang at Cheers challenges their rivals to a bowling tournament.

Cliff bonds with his long-lost father until he learns the real reason why he came back to see him. Meanwhile, Sam suspects that Diane intentionally sabotaged his date with a smart, cultured woman.

Diane uses Sam as a case study for a paper in her Human Sexuality class, but she paints an unflattering picture of him. Meanwhile, Woody challenges Carla to a sports trivia contest, and Cliff grows a unique squash.

Sam's good intentions backfire on him when he doesn't place a risky $1,000 bet for Woody with his bookie, only to have Woody win his bet.

Sam donates his old Red Sox jersey for a public television auction, but is humiliated when nobody bids on it.

Diane plays a prank on the guys in the bar, but she becomes paranoid as she waits for their inevitable payback.

Diane convinces Sam to go to Frasier with fake depression symptoms so that Frasier can analyze him and get his confidence back as a psychiatrist. But Frasier comes back with a diagnosis that Sam's depressed because he's still in love with Diane.

Diane rejects Cliff's request to be his date for the postman's ball, so he asks Carla, who will go with him--for a price. But what will he do when Diane reconsiders and decides to go with him?

Sam sets up Frasier with one of his young bimbos. The day after their first date, Frasier announces that they are getting married--today.

Norm is up for a promotion at work when he finds out that his competitor is having an affair with their boss' wife. Will he use this helpful bit of information to guarantee that he gets the job?

Sam suffers a hernia while trying to prove that he's not getting too old.

Carla turns to Sam as a partner to go up against Nick and Loretta in a dance competition.

Sam and Diane have a harrowing near-death experience as passengers on a plane flown by one of Diane's ex-lovers.

The guys at the bar feel guilty for constantly teasing Diane and not inviting her to their gatherings, so they try to make up by taking her to her favorite opera.

Sam hires a new bartender and appoints himself as host/manager of Cheers. But when his new strategy goes belly-up and he is forced to return to the bar, somebody has to be fired.

Sam begins dating a city Councilwoman who is running for reelection, but Diane is convinced that she is just using him and will dump him after she is reelected.

Councilwoman Eldridge tells Sam to fire Diane because she's insecure about having one of Sam's former lovers working at the bar. However, Diane accidentally overhears the conversation and tries to beat him to the punch.

Councilwoman Eldridge presses Sam for a marriage proposal, but Sam remains noncommittal. She then dumps Sam after he and Diane create a scene at her press conference. The incident leads Sam to a proposal--but to whom?