The village are throwing the Ellinghams a farewell party - Ruth is helping Mrs Tishell deal with the news, but it seems that Martin and Louisa aren't going to make it to the party.
Word is getting out in the village about the doctor's 'little problem' with blood. When Peter Cronk is hurt concern about him brings Martin and Louisa closer together.
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.
Season Finale. A Salvation Army member arrives in Portwenn to try to trace a missing woman, Danny asks reluctant girlfriend Louisa to move in with him, and PC Mark Mylow's medical check has a shock result.
Martin stops practicing the week before his hearing, but patients continue to solicit his advice. An American tourist asks Mrs. Tishell for help, and Penhale commissions a bust of himself.
Portwenn is full of festive cheer - until Doc Martin cancels the Santa, prompting his portrayer to show "Doc the Grinch" the magic of Christmas, with unintended consequences.
Curmudgeonly Martin Ellingham's plans to resume his career as a consultant in London are put on hold with the birth of the son he fathered with his now estranged partner, Louisa Glasson.
Wedding bells are ringing in Portwenn with the preparations for Morwenna and Al's wedding. But some last minute hitches threaten to jeopardize their big day.