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
Midnight (Doctor Who) Doctor tells her, "Molto bene", in relief. Donna copies him. Disturbed, the Doctor tells Donna not to do that, then looks away. Dee Dee tells the Doctor that she has written a paper on the lost moon of Poosh. The Doctor also mentions the Medusa Cascade, and Rose Tyler appears briefly on a television screen. These are all references to the series 4 story arc. Rose appears along with the missing planets, including Poosh, in the two-part season finale "The Stolen Earth"/"Journey's End". This episode is the fiftieth episode filmed for the revived series, and was filmed at the same