Dorothy worries about becoming a mother; Tony starts taking life seriously.
Tony, Deborah, Gary and Dorothy sign up for a free weekend in a hotel suite.
Gary and Dorothy decide to have a baby; Deborah injures her leg.
Gary has to get rid of his beloved sofa; Tony buys a snake from a man in the pub.
Tony tries to impress Deborah's mother; Gary and Dorothy react to relationship therapy.
Tony's happy attitude gets on the gang's nerves, so they decide to humiliate him.
Tony and Gary begin to exhibit strange behavior changes while spending a weekend in a cramped caravan.
Tony has faith that the wedding will go smoothly, even though doubts run rampant; Deborah gets close to Tony.
Gary enjoys his last night of freedom as he commits to Dorothy; Tony delivers a baby.
With Deborah and Dorothy away for the weekend, the visiting girls next door are invited over.
Tony discovers Gary is hiding money; Tony's weight gain is noticed.
Gary feels old when Deborah spends time with college friends.
Gary must choose between Dorothy and Tony; Tony gets a tattoo.
Gary faces road rage; Tony suspects Deborah is having a lesbian affair.
Deborah is interested in astrology; Gary grills the new pub's owner.
Tony returns from holiday with a beard; Dorothy moves into the apartment.
Gary returns from a creative writing weekend to find his girlfriend, Dorothy, in bed with his best friend.
Tony needs glasses; Dorothy recovers from an operation.
Gary makes a video for Dorothy.
Gary desperately needs a date to take to Dorothy's engagement party and decides to make a play for all three of Tony's women.
Gary tries to sabotage Dorothy's relationship; Tony decides between his new girlfriend and magazines.
Gary suspects Dorothy of infidelity; Tony tries to impress Deborah.
Dorothy wants a baby; Tony and Gary enter Deborah's apartment.
Gary proposes to Dorothy when he is drunk and then has trouble getting out of it.
Dorothy insists Gary hire a cleaning lady.
Dorothy and Gary spend a night in a hotel to spice up their love life; Tony tries to keep an estate agent from Deborah.
Deborah moves to Asia; Gary and Tony have unwelcome neighbors.
Sarah badgers Kevin to replace his bedraggled but cherished old bed with a new one; Jamie sinks to a new low.
Gary invents a rampant sexual history to convince Dorothy of his prowess; Tony goes to great length to impress Deborah.
Gary is frustrated when Tony's brother and girlfriend come to stay.
Tony tries seduction with a van and an electric blanket.
Deborah decides to spend the night.
Tom has to get rid of his present girlfriend in order to date Deborah.
Gary has suspicions about Tony's sexual persuasion after hearing where he went on vacation.
Gary places an ad in the papers to find a replacement roommate, but he gets some strange applicants.
Dermont is fired; Gary gets a new job offer.
Dermont plans a romantic evening for Deborah.
Dorothy and Gary agree to an open relationship.
The flatmates attempt to impress Deborah.
The flatmates become competitive during a chess game.
The flatmates, Dermot and Gary, experience relationship problems.