EntityQ11746942· pop 7· linked from 101 articlesCold WarSign in to saveepisode of Doctor Who (S7 E8)ConnectionsDoctor Who, series 7EntityEarthConceptMarsEntitySoviet UnionConceptCold WarEntityBBCConceptIMDbEntityThe GuardianEntityDoctor WhoEntitySherlockEntityThe Daily TelegraphEntityThe IndependentEntityMatt SmithEntityBBC OneEntityQ207708EntityDavid WarnerEntitymutual assured destructionEntityJenna ColemanEntityLiam CunninghamEntityTARDISEntityCategories2013 British television episodesDoctor Who pseudohistorical serialsDoctor Who stories set on EarthEleventh Doctor episodesFiction set in 1983Submarines in fictionTelevision episodes about nuclear war and weaponsTelevision episodes about the Cold WarTelevision episodes set in the 1980sTelevision episodes set in the ArcticTelevision episodes set in the Soviet Union