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
Journey's End (Doctor Who) Next Doctor", but Davies was convinced by Benjamin Cook (who was corresponding with Davies for the book "Doctor Who: The Writer's Tale") to drop the scene, as he felt that a cliffhanger was not appropriate after such a sad ending. Castell Coch, situated minutes away from "Doctor Who"'s Upper Boat Studios, is used as the German castle. The beach at Southerndown, a few miles west of Cardiff, is used once more as Norway's fictional Dårlig Ulv Stranden (Bad Wolf Bay). Some exterior scenes, including various companions interacting with Daleks, were shot at Arcot Street, Penarth. Mickey Smith and Jackie Tyler