Doctors· Season 20 · Episode 4QuittingS20E04·November 8, 2018·30m·BBC OneAl hosts a couple who have differing views on smoking. Mrs Tembe and Heston have a disagreement over what biscuits to serve to a guest.Streaming on (US) See allSharePreviousPractice What You PreachS20E03NextCrow LaneS20E05Keep going