Season Finale: Martin finds himself trapped by a desperate Annie Winton, who demands he perform a life-saving operation on her terminally ill husband.
Louisa is not pleased when her new art teacher wants to try out some rather alternative ideas on the children, while Dr Timoney is involved in a car accident outside the school.
Louisa helps out her ex-boyfriend Danny when he brings seven children from London to camp on Ruth's farm - supervised by Al and Bert - while she and Martin plan a date.
After reaching breaking point with being followed around by Buddy, Martin resolves to find a vet to have it put down, while Ruth finds out that Bert has been trying to make his own whisky.
Louisa and Martin attend their first therapy session together. Meanwhile, Mrs Tishell is surprised when her husband, Clive, returns and tells her he wants to give things another go.
Martin decides to move out of the Surgery to give Louisa space. Meanwhile, Penhale helps Janice babysit.
Al welcomes his first fishing guests, while Bert decides to try to rejuvenate trade at the restaurant by joining an online voucher scheme.
Returning: Gruff but lovable GP Doc Martin returns to Portwenn without Louisa, who has gone to stay with her mother in Spain.