Doctor Who (series 1) Eccleston as the ninth incarnation of the Doctor, his only series in the role, accompanied by Billie Piper, as his first and main companion Rose Tyler, whom he plucks from obscurity on planet Earth, and to whom he grows increasingly attached. He also travels briefly with unruly boy-genius Adam Mitchell, played by Bruno Langley, and with 51st-century con man and former "Time Agent" Captain Jack Harkness, portrayed by John Barrowman. Episodes in the series form a loose story arc, based upon the recurring phrase "Bad Wolf", the significance of which goes unexplained until the two-part series finale. Alongside the "Bad
The Lodger (Doctor Who) for Rose Tyler and the TARDIS to catch him up in a few days, and by chance saving the Earth by hiding it from the passing space fleet of a violent alien race. The story was based on ideas that Roberts had since a child to imagine the Doctor experiencing everyday human life and his enjoyment of stories set on Earth rather than in space. Roberts' original comic strip appealed to new executive producer Steven Moffat, who enthused to Roberts that he had "got to do" "The Lodger" as an episode. Roberts had previously had the idea to make the