Susan tries to fix Michael up with a new girlfriend called Suzanne, but the similarity doesn't end in the name. Meanwhile, Ben starts a career as a property developer but squatters may make him regret it.

Ben decides to take Susan back to one of their old romantic haunts for her birthday, but instead, romance comes back to haunt them. Meanwhile, at home, Michael is left alone by his siblings.

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.

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.

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

Susan insists that they purchase an expensive, over-the-top burglar alarm after Brigitte thinks her van has been stolen, but it fails to serve its purpose. Also, Nick's career takes an unexpected turn.

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.

Susan's feathers are ruffled when Nick lands the plum part of Jesus in an amateur theatrical production, leaving Susan to play the rather less demanding part of Shepherd Number Two. Ben, meanwhile, has an extremely painful toothache to contend with, and is wary of entrusting his dental needs to any other dentist.

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.

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.

After the Harpers' marriage is threatened by Susan's discovery that the love poem Ben wrote to woo her was not an original, he goes to great lengths to make it up to her.

Ben claims Janey's room for his Scalextric set when she leaves for university. Meanwhile, Nick secures a job at the local supermarket, and ends up bringing his work home with him.

Ben gets his hopes up that finally one of his kids will move out when Nick decides to get his own apartment; unfortunately, as always for Ben, every silver lining has a cloud.

Susan has taken to asking an increasingly disturbed Michael for advice on make-up and clothes now that Janey has left for university. The arrival of Ben's cousin's daughter in the Harper household could provide a solution - but Ben is reluctant to give up the peace and quiet he has spent his entire married life longing for.

Susan gets hysterical blindness after seeing Michael in bed with a girl. Meanwhile, Ben is on dreaded jury duty and is hassled by an annoying busybody fellow juror, and Nick becomes a wrapping artist.

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.

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.

Ben and Susan take part in Michael's school fundraising auction. However, Ben quickly regrets making a pledge when he spies a former patient with severe halitosis bidding for a double session in his dentist's chair.

After Susan finds marijuana in Michael's room, which he got from his friend, Bex, she decides to teach him a lesson; she soon finds herself scrambling after confiscating the evidence.

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?

Susan employs a cleaner, who turns out to be such a treasure that she takes over the cooking as well - much to the family's delight, and to Susan's chagrin.

One of Britain's best-loved heart-throbs visits Ben's surgery and although the mere mention of his name sends Susan weak at the knees, Ben is singularly, at first, unimpressed.

The Harpers star in a documentary about family life as part of Abi's latest college assignment. Susan is happy to present a facade of domestic bliss and dispense cookery tips along with relationship advice. Ben, however, is more concerned with catching a rogue rodent.

Nick wins an old car in a poker game, and intends to break it up for parts. Ben takes it over and decides to restore it to its former glory, but he is about as good an engineer as Isambard Kingdom Brunel was a dentist.

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.