Turn Left (Doctor Who) Turn Left (Doctor Who) "Turn Left" is the eleventh episode of the fourth series of British science fiction television series "Doctor Who". It was written by showrunner Russell T Davies and broadcast on BBC One on 21 June 2008. David Tennant only makes a small contribution to this "Doctor-lite" episode as the Tenth Doctor. The story instead focuses on the Doctor's companion, Donna Noble (Catherine Tate) and her encounters with former companion Rose Tyler (Billie Piper). The episode's narrative focuses on an alternative history where the Doctor dies during the events of the 2006 Christmas special "The Runaway Bride". The
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