First look at Call the Midwife series 5 episode 7: storms, sickness and river boats

Summer is well and truly over this Sunday in Poplar, when autumn arrives and brings with it some awfully blustery weather. New faces are blown into the district with the wind – Patsy and Sister Winifred meet a family who travel Britain's waterways while familiar ones reappear too.

Yes, that is Sister Evanglina you spy outside Nonnatus.

Meanwhile, a new mum feels under the weather and Sister Monica Joan's beloved TV set comes under threat.

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Call the Midwife continues on Sunday at 8:00pm on BBC1