Exasperated Martin scoops up the little dog and takes him to Aunt ... on Shirley Dunwich show a heavy concentration of arsenic in her system. The doc immediately calls PC Penhale suspecting that ...

PC Penhale has an unexpected visitor in the shape of his ex-wife Maggie. Louisa's mother Eleanor goes on a date. Morwenna arrives at the surgery with an injured foot.

He suspects Mark is selling duty free booze, and calls in PC Penhale to investigate. But the doc puts paid to Mark's enterprise when ... She hasn't seen her mother for years, so why the sudden ...

Doc Martin 79 episodes 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.