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.

Cast:Matt Smith, Karen Gillan, Arthur Darvill, Claire Skinner, Maurice Cole, Holly Earl,

Genre:Science Fiction, Drama,

country:United Kingdom,

Production:BBC Cymru Wales,