Sharon scrambles to avoid answering Johnny's proposal, while Pete heads to Paris to avoid hearing her response. Meanwhile, Berg bristles at the changes Ashley has in store for him and his apartment.
After Pete gives his Parisian fling the boot, Sharon throws caution to the wind and makes a choice about her future with Johnny. Meanwhile, Berg realizes that he's outgrown the pizza place after someone calls him "sir."
Berg's head is spinning during medical school rotations after the doctor he is assigned to follow puts him through the wringer. Meanwhile, Pete begins to fear that Johnny has it in for him after a series of near miss tragedies at the hand of his competition for Sharon's heart.
Ashley's ex beats her to the punch by telling Berg the tale of their painful past, while Pete scrambles to land Sharon a job in hopes of saving his own.
Pete and the gang spend a rainy day in the apartment feuding over a missed football game and Sharon's wedding plans; and Ashley gives Berg the cold shoulder after he makes an offhanded comment about not wanting to "waste the whole day" with her.
A mad scientist switches the gang's brains after they decide to take over his secret laboratory for their Halloween haunted house. But when Johnny discovers the dastardly deed, will he be able to match the right brain with the wrong body?
The guys try to oust Ashley from the apartment after they realize she's secretly moved in; and Sharon and Johnny try to set a wedding date, but fear they may be rushing into things when the minister quizzes them on their relationship.
Berg and Ashley's romance hits a roadblock after they take a trip to see his pushy parents. Meanwhile, Pete goes too far when he tries to cure Sharon and Johnny's bedroom blues.
A homeless man joins the gang for Thanksgiving and feeds them a steady diet of lies that turn the friends against each other. But by the time the truth comes out, Ashley has found a new place to live and Irene is pretty trigger happy.
Berg is forced to break the bad news when he finds that Pete's grumpy grandpa is suffering from more than a nasty mood. Meanwhile, Johnny has a hard time adjusting to living with Sharon and Ashley in the same apartment.
As Johnny tries to talk Sharon into moving to the basement studio, Ashley and Berg duke it out over her hunky new roomie. Meanwhile, Pete's stalker keeps him guessing when she snatches a package meant for him.
Robert Goulet stops by Ashley's boffo New Year's Eve party, where the Broadway king holds court with Pete's unstable date. Meanwhile, in the basement, Johnny puts Sharon off with his Goulet fixation as they prepare to greet the new millennium.
A musical trio narrates the tale of Sharon and Ashley's night of drunken bonding that lands Ash in Sharon's wedding party. Meanwhile, Pete fails to clean up with a woman he meets at a laundromat bar.
Sharon tries to reunite Berg and Ashley with the help of video monitors wired to watch the tenants in the building. But it looks like they may not be able to use the cool new tool to save Pete from Irene and her crazy scheme to enshrine him.
Sharon stoops to an all time low when she eyes her dream dress at a wedding gown sale. Meanwhile, Ashley tries to fix her own sink after insulting Johnny for his know how in the "simpler" things in life.
When Ashley starts dating Red Sox shortstop Nomar Garciaparra, Berg sets out to show up the guy at Sharon's charity bachelor auction. Meanwhile, Irene invests more than Pete's worth to snatch him off the auction block.
Berg tries to win back his standing at work after the entire staff is felled by a case of food poisoning. Meanwhile, Pete scores himself a new job with the fire department.
A series of coincidences helps Berg regain his medical student mojo, but robs Pete of his golf tournament dreams and reunites Irene with her felonious father. Meanwhile, Sharon has a few choice words about Johnny's homespun wedding vows.
The guys bond over war stories about the women in their lives, including Pete's tale of a feisty firefighter; and Berg's week of living dangerously with a sexy thrill seeker.
Sharon and the guys make a date to hang out together---until Johnny ditches his bachelor party for his bride-to-be.
Johnny does some renovations and knocks out the power. Berg lets the apartment to a doctor who uses it for a quickie and it gets a reputation as a party place. Pete leaves his makeup samples at the station and ends up a makeup artist.
Pete gets all hot and bothered when Berg starts dating Marti, his fiery nemesis from the station house. Meanwhile, Sharon has a cow when Johnny agrees to be a pregnant friend's lamaze partner.
The war between Pete and Berg heats up when Marti picks her man; Johnny and Sharon's engagement falls apart when her bossiness sends him packing.
Johnny and Sharon's premarital squabbles come to a screeching halt when Irene throws them her version of a wedding. Elsewhere, Pete and Berg's battle ends with one of them leaving town and the other doing something far more disturbing.
