. . . . . . . . . . . . . . . . . . . . "In both the original run and since the 2005 revival, the long-running British science fiction television programme Doctor Who has featured a number of story arcs. A story arc is an extended story which takes place over a large number of episodes or serials, characterised by a gradual unfolding of plot points and introduction of narrative devices which come together in the arc's climax and d\u00E9nouement."@en . .