While Ben and the gang are at pub quiz, Ben becomes angry when it is brought to his attention that someone is cheating and he decides to take matters into his own hands. However, his bite might not match his bark.

Ben goes to a reunion of old school friends and is horrified to find that someone he never liked is now a millionaire. Elsewhere, Nick has found a new unconventional way of earning money.

A couple ask Ben to be their sperm donor; Mark shows up and wants to be a part of Kenzo's life; Abi becomes upset with Roger when she dreams he cheated on her.

Ben is distressed as he faces trouble at work in the shape of his new assistant, who cannot stand the sight of blood. His troubles do not get any easier when he arrives home and must face the trauma of his neighbour's DIY antics. Meanwhile, Janey's preparations for her driving test end with an unforgettable lesson with her dad.

When the local newspaper accidentally lists Ben in the obituaries, he takes it as an opportunity to do absolutely nothing. Meanwhile, Susan wants to convert Nick's old room to a nursery, but Nick isn't having any of it.

Ben is appalled to discover that Martin, the benign elderly widower from next door, is besotted with Susan and has built a shrine to her in his kitchen. Whilst Ben has trouble persuading the police, Martin ties Susan to a chair and proposes to her.

Janey desperately wants to keep her new man under wraps, while a suspicious Ben tries to expose an affair between Susan and a client.

While Ben is away, Susan goes to dinner with a wealthy art collector after her boss tells her to do whatever she has to do to sell art. Meanwhile, Grace is gathering her own collection, and Roger gets ready to pop the question.

When Janey has to sit with a poorly Kenzo, Ben volunteers to look after one of her elderly care clients, Harry, a man who seems to have been around but is not allowed out else he will go walkabout. However Harry encourages Ben to join him for a night on the town; what could possibly go wrong?

It's the day before Roger and Abi's wedding, but for this accident-prone couple, anything that can go wrong probably will, before the marriage is solemnized.

Ben talks Roger into helping him move the body of a patient who died in his dental chair; Abi and Susan suspect Roger and Ben are having affairs.

Janey is appalled when her mother comes to visit her at university - especially when she begins to reminisce about her own student days. Meanwhile, Ben's plans for a relaxing round of golf do not go according to plan.

Ben and Susan look forward to a night out in a town where nobody knows their names when they visit daughter Janey, who is away at university. Booking into a hotel under the names of Johnny Studd and Delores de Large, the stage is set for a night full of surprises, of one kind or another.

Ben's attempt to deposit some money into his bank coincides with someone else's decision to take some out - with the aid of sawn-off shotguns. When Ben decides to act as the negotiator things look bleak for the hostages.

Susan is accused of shoplifting, and as if the forgetfulness, mood swings, and night sweats weren't enough of a problem, she also has to put up with Ben defending her in court.

Ben starts a one-man anti-cycling campaign which causes chaos in the household. Meanwhile, Susan has Michael photograph semi-naked men for a calendar in order to contribute to her fundraising.

After doing some Christmas shopping, the Harpers find themselves stuck in an underground train that has broken down.

Parents Ben and Susan reluctantly agree to let daughter Janey have a party whilst they are away on holiday - and plan to sneak back unnoticed into the house and check up on the children, just to be on the safe side.

When Susan tries to help out a chronically unemployable Nick, her plan turns out to be disastrous, Janey brings a different boy home every day, and Ben has problems with his assistant.

When Nick suggests his parents take out a life insurance policy to further his chances of romance, Michael begins to worry about their life expectancy.

Nick buys a motorcycle for his new business endeavour but not surprisingly, things do not go according to plan. Janey gets a new job in hopes of being discovered by film producers, and Susan tries to convince Ben to soften up.

Normally, nobody in the Harper family would willingly set foot in Nick's flat, but when Susan's mother comes to stay, it suddenly seems more attractive.

Roger's mother visits London to meet future daughter-in-law, Abi, and an old drinking mate from Ben's youth has changed much more than he had expected.

Michael succeeds in placing the whole family on "The Weakest Link", but Anne Robinson is about to raise more difficult questions than expected.

When Janey is set up on a date with the son of one of Ben's patients, things go horribly wrong. Also, Susan gets tickets for the opera but Ben is less than enthusiastic.

Nick wants a job, Janey wants new jeans, Michael needs dating tips, and Ben and Susan want peace and quiet.

After coming into contact with an infectious disease from Peru, the whole Harper household is placed under quarantine by Susan. How long will it be till they all drive each other mad?

Having run over Mr Casey's dog some years ago, Ben now compounds the misdemeanour by running over Mr Casey himself. Casey plays the sympathy card for all it is worth - and it seems that it may be worth quite a lot.

Ben's poker addiction is costing him a fortune, while Susan's addiction to seeing a clairvoyant turns out to be far worse when a horrible prediction is revealed to her.

Susan decides to get another dog but when she is considered unsuitable to adopt by the dog adoption assessor, Susan loses her cool, and as a result, it is Ben who ends up in the doghouse.

Susan asks Ben to help an old girlfriend of hers, Mona, through a divorce, but nearly causes her own when Mona tells Ben some surprising tales about Susan. Elsewhere, Roger is feeling down until Janey intervenes.

After signing up on a social networking site, Susan starts getting messages from an old flame. Meanwhile, Michael finds out their house is cursed and Abi is convince it is haunted.

More problems for Ben - Janey comes back home, Susan lies to the police, Michael becomes born-again and Abi confuses nature with naturism.

Susan wants to look her best for an impending school reunion. When she is asked to give the keynote address, however, she decides that her best may need some help. Unfortunately, Ben is on hand to administer the Cavitox.

Janey's baby is due and Susan insists on traveling to Manchester for the birth; it's a journey that throws up several blasts from the past.

With Ben away on a volunteer dental programme in Colombia, Susan is persuaded by Janey to go on the Facebook social network, which leads to her meeting up again with charming ex-boyfriend Paul Tremaine. He turns out to be a large scale drug dealer and Susan is forced to help the police trap him to avoid being charged herself.

Ben and Susan go off to a couples' retreat for a weekend - at which they prove to be less than ideal guests - leaving Janey and Michael vying for the affections of Michael's new boyfriend. However, the triangle proves to be more Bermuda than eternal.

When Ben and Susan discover that Michael is seeing a therapist, Susan is worried and goes straight for the therapist herself. Meanwhile, Ben thinks a father-son chat will sort out the problem.

At Susan's mother's funeral, Arthur, the father who abandoned the family thirty years earlier, turns up and takes such a dislike to Ben he offers his daughter a million pounds to divorce him. Is she able to refuse such a generous offer?

Susan decides that Ben should spend more time with Michael in case he turns into another Nick, and Janey leaves the grandparents to babysit Kenzo.

Following Roger's advice, Ben and Susan join a pyramid scheme, despite Michael's warnings. Meanwhile Roger seems to have an unlimited cash flow, but where is he getting all that money?

Ben's uncle Norris dies, leaving him less than he expected, and instead Susan benefits. Later, the wake is held at the Harpers, but will it go smoothly?

When the council assume Ben is disabled and send him cheques he tries to return the money but the clerk won't listen and Rosemary, the gushing welfare visitor who comes to assess him, is too busy saying how brave she thinks he is, to let him get a word in edge ways.

With Ben on a course Susan works late at the art gallery with handsome young Chris, whose advances she spurns. Next day he accuses her of sexual harassment and she has to attend a course. Janey advises her on how to call his bluff but salvation comes via a far more bizarre reason.

Janey and Michael give their parents a Spanish holiday as an anniversary present but Michael has used Ben's credit card to finance it and needs to replace the money quickly so he contacts "Cash In the Attic", finding that the only sale worth a four figure sum is Susan's beloved antique clock.

Ben and Susan have yet another row after he refuses to attend her godparents' anniversary party so they decide on a trial separation, taking it in turns to live in the house alone. Ben moves in with Roger, ruining his love life whilst Susan overstays her welcome with Michael and his partner.

When Ben and Susan have some problems in the bedroom that start to drive them apart, Abi thinks she may be at fault, but she has her own problems to deal with.

Susan gets an audition as a presenter of a pre-school TV show alongside a puppet monkey after a producer hears her reading to children in the library. There is however one other applicant, Janey, resulting in fierce competition and dirty tricks.

Handsome millionaire art collector James Garrett reappears in Susan's life and Ben feels jealous when the two of them share a hotel bedroom. Elsewhere, Roger is dealing with his own jealous feelings.

Ben and Susan have to go back to school for parenting classes as a result of Michael playing truant.

Ben is overjoyed when Mark, Kenzo's wealthy, successful father reappears and encourages him to propose to Janey. Susan, on the other hand, believes that Craig's feelings for her daughter are sincere and gives him her blessing. Roger, due to a misunderstanding, also believes that he is in with a chance.

Nick has a new girlfriend and the family get a bit of a shock when he brings her round for dinner. Also, Michael gets a new computer and Janey is starting to feel like the poor relation.

Ben and Susan decide to help out some friends by flat-sitting their brand new Docklands apartment, and expectedly, things do not go according to plan.

Due to the death of Susan's friend, mortality is suddenly on everyone's mind, which results in Ben writing his will, Nick working at an undertakers, and Susan using the Internet to predict Ben's death.

Ben's old friendship with a celebrity dentist causes problems, while Susan finds a new friendship at an Albanian airport and her loyalty to Ben is put to the test.

Kenzo's school project about the family gives everyone a chance to look at some of the crazier moments in the Harper history.

Susan is bored with her lot and decides to run her life as a single girl again by swapping places with Janey for a week, who takes the opportunity to try running the home with a husband who is less than perfect.

To prove how trendy he is, Ben accompanies an embarrassed Michael to a gay club, where he gets chatted up by the adoring Rupert, who follows him home and sends him flowers. It's down to Susan to rescue her husband - and wangle herself a free holiday at the same time.

Ben is approached by a man who remembers his father as a great darts player and asks him to join the local pub team. Ben discovers that he is not quite the darts player his father was and they replace him. When Roger asks him to join his team he is happy to sign up - and uses all means necessary to secure their victory.

With Nick still away, Michael joining the army, and Janey getting her stuff out of the attic, Susan is feeling deserted. Then a stray dog appears and tries to become man's best friend. Unfortunately, the man he chooses is Ben.

Susan attends a neighbour's book club. Michael runs a booking agency exclusively for Roger, while Ben books a seat on the sofa but gets a new assistant too close to home.

Susan decides that she and Ben should take dance lessons, but they soon find it takes more than two to tango. Meanwhile, Michael decides to concentrate on his studies, but can he stop thinking about girls?

Janey starts an affair with a dentist whose charm rapidly captivates the rest of the females in the Harper household, while Michael's latest scam eventually puts everyone at risk.

Susan is looking forward to the birth of her first grandchild, but not to being a grandmother. Meanwhile, Nick wants to move back in and a new arrival at Ben's surgery has quite an impact.

Susan forsakes Ben's dental conference to write her novel, while Ben seeks a new partnership in Harley Street and ends up with more partners than he'd bargained for.

Michael gets a cool new friend called Jack, who seems a bit too interested in Susan, much to the amusement of Ben. Meanwhile, Janey gives Abi some fashion advice.