Doc Martin S03 E01
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.
Doc Martin S03 E02
Bert Large abandons his plumbing business in favour of running a restaurant. Following the restaurant's opening, several cases of food poisoning occur with Louisa being one of the people affected.
Doc Martin S03 E03
A couple and their son move in next door to Louisa causing problems for her, Martin and the local people. Residents also begin to discover something unusual about PC Penhale.
Doc Martin S03 E04
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.