The villagers throw the Ellinghams a farewell party and Ruth helps Mrs Tishell deal with the news and encourages her to attend, but it seems that Martin and Louisa aren't going to make it because a farmer has spotted their lost dog.

The news of Martin's Imperial College job offer is flying through the village, but the Ellinghams are yet to make a decision. Caitlin blames Bert for the flooded pub cellar, and an emergency on the rocks helps Morwenna make some important decisions.

Martin rushes to Ruth's for a medical emergency, and preparations for Morwenna and Al's wedding do not go to plan. Elsewhere, Martin takes his final GMC assessment under the watchful eye of eminent surgeon Bernard Newton, who monitors Martin's skills in assisted surgery.

Martin prepares to face his hearing, but despite having closed the practice, he finds all his patients are trying to make appointments. An American tourist who visited Portwenn previously returns to the town, hoping to research her family tree. However, she also has a medical issue, and comes to the troubled doctor seeking his advice. Louisa goes to see Chris to find out how serious the situation is, while the townsfolk take steps to show Martin how much he is appreciated.

Louisa and Martin have their first therapy session together - though neither of them was expecting they would be given homework - while Morwenna is not happy about it when a teenager on work experience starts trying to boss her around in the surgery. Mrs Tishell is surprised when her husband Clive returns and tells her he wants to give things another go, and Louisa has to call Martin when one of her pupils collapses during a school excursion.

Dr Martin Ellingham and Pauline are surprised by the number of patients coming to see him on the last day before his Surgery closes and he moves to London.

Louisa and Martin decide to make a go of it, starting with a conciliatory dinner but Louisa is concerned when Martin fails to show up. In fact he has been taken prisoner by elderly Annie Winton, who wants him to save her terminally ill husband Jim, despite Jim's more stoical attitude. Louisa and Joe Penhale track him down and the outcome provides a solution to the Ellinghams' marriage problems. There is good news too for Al, as not only have Ruth and Bert decided to go into business to market Bert's whiskey to promote Al's B & B but he also gets a date with ...

The surgery is chaotic, with both Martin and Louisa now practising from it. Bert's new business venture with Al doesn't get off to a good start, and Penhale suspects noise complaints are due to paranormal activity.

Martin and Louisa go on a date, but his usual bluntness ruins a romantic moment, and Louisa ends the struggling relationship. However, a friend of Louisa's visiting from the City, Holly, injures her back on the beach, and is forced to remain in Portween. Martin has to treat her at Louisa's house, while at the same time trying to overcome his own distraction at Louisa's dismissal of him.

Martin and Louisa are about to get married but will it ever happen. Martin is feeling irritated by PC Penhale, who wrongly believes that he is going to be the best man and Louisa is also late for the service. The vicar has serious doubts as to whether she will turn up, leaving Martin on edge. After she finally arrives the couple are married. Things after the wedding don't go as Martin hoped and Ruth has a difficult time looking after James.

Upon discovering Doc's fear of blood, the village starts buzzing with the news. Bert insists on playing a practical joke, but Doc isn't laughing.

Louisa is leaving for Spain, Bert and Jennifer's engagement party goes off with a bang, and Al is hailed as a hero for saving Caroline's life.

Martin rubs up against the new herbalist and Penhale, Louisa and James are all interested in Janice's new pedicure fish. Martin's ex-flame invites him to speak as keynote speaker at Imperial College, and Ruth is back from Mexico with more than maracas.

After having his career scrutinised by the General Medical Council because of his blood phobia, Martin makes efforts to overcome his fear and begins to question whether he made the right decision about resigning.

Martin and Louisa are off to London for Martin to present his research paper. Janice is looking after the children, but things don't go smoothly when Penhale tries to help. Martin also has a few hiccups including an unexpected proposition or two.

The curmudgeonly GP struggles to come to terms with his new role as a father, having planned to resume his career as a consultant in London before the arrival of his and Louisa's as-yet unnamed son. To make matters worse, he begins to have serious doubts about the competency of his replacement Dr Di Dibbs when she misdiagnoses a patient as well as herself. Martin is then dealt a devastating personal blow after hearing his aunt Joan has died. (This Episode Is Rated TV-PG-V)

Martin's medical career remains under scrutiny, as a GMC representative has come to assess him and his surgery.

The irascible medic decides to move out of the Surgery to give Louisa space, leaving Mrs Tishell concerned he will not be able to look after himself on his own. Elsewhere, PC Penhale helps Janice babysit, and Al is very concerned when he finds out about Bert's behaviour and hears there are bailiffs at the restaurant.

A Salvation Army member arrives in Portwenn to try to trace a missing woman, Danny asks reluctant girlfriend Louisa to move into him, and PC Mark Mylow's medical check has a shock result.

Martin has to rush Buddy the dog to the vets. Meanwhile, Mrs Tishell's young cousin Sarah joins her for some work experience, but it does not go to plan, and one of Louisa's clients arrives at the surgery unannounced, posing a dilemma.

Al welcomes his first fishing guests, but an uninvited one means that a good review is definitely not guaranteed, while Bert decides to try to rejuvenate trade at the restaurant by joining an online voucher scheme. Morwenna asks Martin for a pay rise, and Louisa has to find a new babysitter to look after James Henry and reluctantly decides to offer Janice a trial. Penhale is excited to receive his new police issue Taser, but Portwenn does not exactly offer him plenty of opportunities to try it out.

Louisa is shocked and Martin suspicious by the unannounced return of her father. Ruth is helping Martin with his blood phobia when she discovers his predicament, and an unexpected caravan squatter thwarts Bert's dreams of making a quick buck.

Martin has his second GMC assessment - mock surgery - and Buddy is missing. Meanwhile, Ken's arrival does not bring good news for Al and Bert, and Penhale unhappy with the arrival of his predecessor, Mark Mylow, who tries to take charge of his investigation.

Bert Large's restaurant business is financial trouble. He can't even afford the food and drink for a charity event to raise money for Florence Dingle's cat sanctuary. Mrs Dingle is distraught. She desperately needs the money to continue to look after the cats and kittens in her care. Bert is also being chased by loan sharks Alastair Tonken and his son Norman for the repayment of £1,000 they gave him to clear his debts, warning of repercussions if he doesn't pay up.

The Doc deals with a strange family who seem reluctant to let him make house calls, and whose passion for taxidermy seems to hint at a dark secret involving their missing mother. PC Mystow also has family problems when his overbearing sister moves in a sets up shop - much to the Doc's disgust - as a herbalist. A chance remark by Pauline sets Al on a path that could well destroy his relationship with Bert.

Pauline looks set to achieve her ambition of joining the Portwenn Lifeboat crew. However, her joy is short lived when she is confronted with the chauvinistic behaviour of her shipmates. Martin is accused of murder by the husband of a woman who died in his care.

Louisa's hippie mother Eleanor arrives in the village, immediately taking over Martin's kitchen to prepare a herbal tonic, which she later gives to the baby to stop his crying. A culinary rivalry develops between Bert and Mark Bridge, the landlord of the Crab and Lobster pub, at Portwenn Fun Day with both keen to take advantage of the event by providing food for the spectators.

Dr Martin Ellingham is called to Louisa’s new home after she has a dizzy spell while shifting furniture. Martin urges her to slow down, but is shocked to learn that Louisa has applied to be her school’s headteacher again.

Mrs Wilson, the hypochondriac owner of the Wilson hotel, forces her attentions on a very indifferent Martin, which makes Louisa jealous anyway. Joan dates a much younger man than her, much to Martin's surprise.

New receptionist Morwenna Newcross gets off to a bad start after arriving late on her first day, and her hyperactive behaviour leads Martin to believe she is high on drugs. Ruth tries to deal with an intruder on the farm who has stolen the hub caps from her car, and the sleepless nights begin to take their toll on Martin and Louisa, who are running out of ways to comfort their constantly wailing baby.

When a nasty stomach virus hits Portwenn, half the village takes ill, and Doc thinks he has traced the virus's source to the local swimming pool.

After turning down lovely teacher Louisa's invitation to a village dance, the socially awkward Doc treats a park ranger with an unusual problem.

PC Mark Mylow can't persuade Dr Ellingham to be his best man, but Al Large agrees. The stag weekend – a camping trip – goes wrong when an adder bites Mark’s ankle and he suffers a potentially fatal allergic reaction. Meanwhile, Dr Ellingham deals with a spate of weever fish stings among teenage boys playing a dangerous game of dare.

Dr Martin Ellingham meets Portwenn’s new midwife, Molly, who will be looking after Louisa. Martin is dismissive of her profession, and the two of them do not hit it off.

Martin suspects Louisa may have anaemia. Aunt Joan is forced to receive treatment from Martin after nearly running someone over. The Doc is approached by Alison Lane, who worries about her daughter Delph's behaviour.

Dr Martin Ellingham is shocked to find Louisa and Aunt Joan knocking at his door before the Surgery has opened. Louisa has had a medical scare and wants Martin’s reassurance that everything is fine.

Martin and Louisa search for a nursery now that Janice has left, and Mrs Tishell is shocked to find out that Al has very high blood pressure. Louisa also helps with the diagnosis of a pupil, which spurs her on to explore the possibilities of a change of career. This is not welcome news for Martin, who dislikes any kind of change, even if it could be for the better. Elsewhere, Ruth is approached about selling her farm.

Dr Martin Ellingham is in London to meet with Robert Dashwood, who is leading the selection process for the prestigious London surgeon’s job that Martin has applied for. Robert can tell that Martin is excited to be back in the world of surgery, and is pleased that Martin has finally conquered his debilitating blood phobia. Robert is confident that Martin will get the job.

Martin is left holding the baby when Louisa has to take Year Six pupils sailing. He has to collect James from nursery every afternoon, but with surgery hours Martin is constantly late.

Anthony and Terri Oakwood move in next door to Louisa with their son, Sam, who is given extreme freedom by his parents to express himself. The new arrivals interrupt a planned dinner between Louisa and Martin, and Martin leaves abruptly.

As an excited Portwenn digests the news that Martin and Louisa are engaged, it's business as usual for the doctor. Beth Sawle's knee wound is not responding to the treatment he's prescribed, and when Martin visits the remote cottage where she lives with her strange sister Janet, he makes a disturbing discovery. Meanwhile, Bert's restaurant is in financial trouble, prompting son Al to take decisive action.

The GP is left holding the baby after upsetting the new childminder, but luckily Mike agrees to look after James at short notice. However, Louisa is not happy with the arrangement and an argument erupts between the newlyweds just as their guests arrive for dinner - and that's only the first of the evening's problems.

A stranger stops dead in his tracks when he sees Ruth in the village, and later he spies on her when she is having a coffee with Caroline. Ruth is not sure why, but she starts feeling uneasy. One of Louisa's pupils blames an upset stomach on a meal she ate at Bert's restaurant and writes about it in the school magazine. Bert and Al are furious, and they go to see Louisa wanting something to be done.

Doc Martin is struggling to maintain his life as a GP, after his wedding day disaster with school headmistress Louisa. She has left the village, and he is starting to question whether this is where he wants to stay, until an old friend turns up.

Wedding bells are set to ring for PC Penhale and Janice, but nothing ever goes smoothly in Portwenn.

Dr Martin Ellingham seeks out Louisa to talk about his new surgeon’s job in London, but they are interrupted by Bert, who wants to plan a baby shower for Louisa.