Guess Who's Coming to Dinner?

The GP is left holding the baby after upsetting the new childminder, but luckily Mike agrees to look after James at short notice. However, Louisa is not happy with the arrangement and an argument erupts between the newlyweds just as their guests, Dennis and Karen Dodds, arrive for dinner - and that's only the first of the evening's problems. Meanwhile, Ruth is roped into taking part in a phone-in programme on Radio Portwenn and unwittingly answers a call from PC Penhale, who wants to know how to make friends in the village