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
Tooth and Claw (Doctor Who) was a young Scottish piper from the 18th Century, and a companion of the Second Doctor. In the scene where the Doctor and Rose meet the Queen's guards, the Doctor slips into a Scottish accent, which is actually actor David Tennant's native accent. Michelle Duncan and Jamie Sives were unable to attend the readthrough for this story, and their parts were read by Tennant's parents, who happened to be visiting the "Doctor Who" set. Tennant told reporters at the series' press launch, "Because it's set in Scotland they were delighted to be asked to read in. My mum played Lady