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
Doctor Who (series 1) the BBC. Davies voluntarily wrote a pitch for the series, the first time he had done so; he previously chose to jump straight to writing pilot episodes because he felt that a pitch would "feel like [he's] killing the work". The fifteen-page pitch outlined a Doctor who was "your best friend; someone you want to be with all the time"; the eighteen-year-old Rose Tyler as a "perfect match" for the new Doctor; avoidance of the forty-year back story "except for the good bits"; the retention of the TARDIS, sonic screwdriver, and Daleks; removal of the Time Lords; and also a