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 Prom (2008) in the third and fourth series of "Doctor Who", presented the programme with guests Noel Clarke and Camille Coduri, who respectively played Mickey Smith and Jackie Tyler in the first, second and fourth series of the television programme. Catherine Tate, who played the Doctor's companion Donna Noble in the 2006 "Doctor Who" Christmas special and the fourth series of the programme, made a surprise guest appearance to introduce "Donna's Theme", not having been listed as being a presenter in the lineup. Sarah Walker presented BBC Radio 3's coverage of the concert. The full concert was rehearsed on Saturday, 26 July,