It looks like you’re referencing the filename for — which is the 2020 Christmas Special .
A subplot involves a young girl, Margaret, who is placed in a temporary foster home just days before Christmas because her mother is being treated for smallpox. The episode avoids saccharine sentimentality by showing the girl’s initial terror and the foster mother’s clumsy but genuine attempts to provide a stable holiday. In a tear-jerking final scene, the girl is reunited with her recovered mother on Christmas morning, only for the mother to whisper, "You smell like gingerbread and safety." Call.The.Midwife.S10E00.Christmas.Special.2020....
: In the US, the special and subsequent Season 10 episodes are available via PBS . International viewers can often find it on platforms like Stan . Running Time : Approximately 90 minutes. Setting : Poplar, London, December 1965. Call the Midwife - PBS Call the Midwife Season 10, Episode 0 It