Doc Martin Christmas Special, review: Cornwall's medical Scrooge bids an emotional goodbye

• To watch Doc Martin (ITV) is to enter an alternative universe. Here we are in the real world, unable to get a face-to-face appointment with a GP for love nor money. Over in Portwenn, people can’t step out of the house without the family doctor diagnosing them against their will. One chap was just trying to go about his business as the local Santa Claus when old misery-chops spotted him scratching his arm. That was enough for the doc to declare a medical emergency and close down the grotto. “Do y