Most long-running BBC shows chuck out a Christmas special as an afterthought. A medium-budget extraneous adventure of diminishing returns. And that’s if we’re lucky: Russell T. Davies isn’t even bothering with Doctor Who this year.
Not so Call the Midwife, where creator and showrunner Heidi Thomas uses the festive issue as a starting gun for a new series, ushering in a new London year and a fresh set of social issues told through the lens of the nurses and nuns attending to the physical and spiritual needs of Poplar — and further afield.