EntityQ30133242· pop 10· linked from 321 articlesTwice Upon a TimeSign in to savespecial episode of Doctor WhoConnectionsWorld War IConceptHugo AwardEntityThe DoctorEntityDalekEntityThe A.V. ClubEntityDoctor Who, series 2EntityDoctor Who, series 7EntityDoctor Who, series 8EntityDoctor Who MagazineEntityPollyEntityUnited KingdomCountryX (social network)ConceptBertrand RussellEntitySouth PoleEntityInternational Standard Book NumberEntityBBCConceptIMDbEntityAmazonEntityThe GuardianEntityInternational Standard Serial NumberEntityCategories2017 British television episodesBritish Christmas television episodesChristmas truceDoctor Who Christmas specialsDoctor Who multi-Doctor storiesDoctor Who regeneration storiesDoctor Who serials novelised by Paul CornellFiction set in 1914First Doctor serialsNovels by Paul CornellTelevision episodes about World War ITelevision episodes directed by Rachel Talalay