It's Christmas Eve, 1938, when Madge Arwell comes to the aid of an injured Spaceman Angel as she cycles home. He promises to repay her kindness - all she has to do is make a wish.
Not streaming on a subscription service in the US right now.
Starring Matt Smith, Karen Gillan, Arthur Darvill, Claire Skinner, Maurice Cole, Holly Earl, Alexander Armstrong, Sam Stockman, Bill Bailey, Paul Bazely