Gary wants to leave his girlfriend, Dorothy, but she decides to leave him first. Gary owns a flat and needs a lodger to help pay the mortgage. Unfortunately, he's got Dermot as a lodger and he's no help at all. A young woman named Deborah moves into the flat upstairs and Dermot immediately decides he's in love with her. The feeling isn't mutual though!

Gary and Dermot play chess to decide who will win an evening of pleasure

Gary tries to impress Deborah by installing a burglar alarm while Dermot tries to impress her by offering his body!

Gary suggests to Dorothy that they should have an ""open relationship"". Much to his surprise, she agrees. Dermot makes greater efforts to get somewhere with Deborah

Dermot organises a romantic dinner for Deborah

Gary thinks that he's been offered a new job so takes his staff out to dinner so that he can tell them that he's leaving! Will he be correct? Meanwhile, Dermot loses his job after he dangles a customer by the ankles.

Dermot has left the flat and gone abroad so Gary advertises for a new lodger. After interviewing a string of very strange and weird applicants, Gary offers the room to a bloke called Tony. Also, Anthea asks Gary for a pay rise and gets locked in the stationery cupboard.

Deborah is ill, so Tony decides to look after her. Meanwhile, Tony decides that his girlfriend is getting too serious for his liking so sets about finding a way of dumping her without having to tell her face to face!

Gary and Deborah are trapped in a lift together. Tony has bought an old van and equips it with an electric blanket - Can you guess why?!

Tony's brother has come to stay and so does his girlfriend. Gary ends up wanting to kill both of them. Then he finds out that her parents have a holiday villa which might be available for a free holiday. Now he'll have to be nice to them both!

Deborah has become very depressed, so she decides to sell her flat and leave the country (As you do!!!). To prevent her from leaving, Gary and Tony do everything they can think of to convince potential buyers that her flat is a terrible place to live!

Tony gets a job as a barman, working for Les. Gary and Dorothy compare fantasies.

Gary has to decide between keeping Tony as a flatmate and living with Dorothy. He finally decides to ask Tony to leave. Tony moves to a room in ""The Crown"". Then Dorothy announces that she's decided to move in with Deborah! Tony tries to prove his love for Deborah with a do-it-yourself tattoo.

Tony tries to impress Deborah by pretending that he can speak German - His plan backfires, however, when Debs gets a letter from a German customer and asks him to translate it for her! Gary begins to suspect that Tony is gay.

Dorothy demands an explanation when Tony sells one of her LP records, which is a 'rare' collectors' item worth £200, which is green in colour. Gary has to find a replacement! - The replacement LP is black, so Gary tries to paint it green! When Dorothy is not convinced, he has to pay her £200. Then, Tony tells him that there was a misprint in the catalogue - the green LP was only worth a few pounds!!!

Gary is upset when he discovers that he's had well below the average number of sexual partners for a man of his age, so goes to great lengths to prove to Dorothy that he's VERY experienced. Meanwhile, Deborah has split up with her boyfriend, making Tony thinks he's ""in with a chance""!

Everyone keeps telling Tony that he's getting fat, so he tries to lose weight. Tony discovers that Gary has £33,000 in his savings account and soon everyone knows about it. Dorothy 'persuades' Gary to make a donation to the hospital appeal fund but everyone is after Gary for a handout. He solves the problem by pretending that he's blown all of his money on expensive watches and Harrods lager.

Gary and Dorothy are determined to try for a baby; however Gary has a slight impotence problem so collects a heavy collection of pornography to solve the issue.

Dorothy orders Gary to hire a cleaner because she is fed up with the dirty state of the flat. Gary agrees, reluctantly, and becomes obsessed with his new cleaning lady! Tony loses his job at the pub when Les's brother comes to stay, but finds a new job as a male model.

Tony resorts to bugging Deborah's flat in an attempt to find out what she sees in her new estate agent boyfriend. Gary takes Dorothy to the ""Pasta Pig"" for a romantic meal. Carried away by the wine and the atmosphere, he forgets himself and proposes! - Dorothy accepts!! Next morning, Gary has second thoughts but how can he escape marriage?

Deborah leaves her keys with Tony so that he can let the gas engineer in to service her boiler. Tony can't resist the chance to have a peep in Deborah's underwear drawer, with disastrous consequences! Gary and Dorothy think they might have a baby - Dorothy begins to wonder whether Gary is mature enough to be a father.

Gary makes himself look like a coward in a 'road rage' incident so he hatches a plan to make himself look macho. He hires someone to pretend to pick a fight with him in the pub but ends up fighting the wrong man. Deborah has a female friend staying with her. Gary and Tony are convinced that she's going through a ""lesbian phase""!

Dorothy talks Gary into getting rid of his 25-year-old sofa. Gary reminisces about the events his sofa has 'witnessed'.

Deborah tells Tony that she prefers people who help others, so he tries to become a Samaritan. Meanwhile, Gary suspects Dorothy of ""playing around"" and goes to great lengths to confirm his suspicions.

Tony has toothache but can't face a trip to the dentist. He decides on a 'do-it-yourself' extraction and ends up in great pain. Gary and Deborah have gone away on a weekend writing course. Tony calls Dorothy at the hospital and she comes round to help him. They end up in bed together.