page_title: Journey to the Centre of the TARDIS
section_title: Production
hierarchical_section_title: Journey to the Centre of the TARDIS / Production
caption_attribution_description: Thanks Mikee for confirming that. Doctor Who TARDIS set
context_page_description: "Journey to the Centre of the TARDIS" is the tenth episode of the seventh series of the British science fiction television series Doctor Who. It was first broadcast on 27 April 2013 on BBC One and was written by Stephen Thompson and directed by Mat King.
  In the episode, the alien time traveller the Doctor forces a salvage crew to rescue the Doctor's companion Clara Oswald. Clara is lost in the depths of the sentient spaceship and time machine the TARDIS after its engines become damaged by the salvage crew's beam.
  The story was based on showrunner Steven Moffat frustrations with the 1978 story The Invasion of Time which intended to explore the interior of the TARDIS but due to budgetary issues, had to be reduced in scale. The episode was filmed almost entirely at Roath Lock studios. The episode was watched by 6.5 million viewers and received mixed to positive reviews.
context_section_description: Lead writer and executive producer Steven Moffat gave the concept of an episode discovering the centre of the TARDIS to writer Stephen Thompson. Thompson explained that this was because Moffat was "haunted" by the 1978 story The Invasion of Time, which was set on the TARDIS but had no new sets built in the studios, with the story, instead, having to use the filming location of a disused hospital. Thompson was also interested in mathematics and remarked, "anything involving multi-dimensional geometry gets me excited". Moffat left the rest of the story to be developed by Thompson. Thompson initially intended for the TARDIS to become disturbed by adolescents during a school trip but Thompson changed the encounter to a salvage crew when Moffat objected. The title is in reference to Jules Verne's science fiction novel Journey to the Centre of the Earth. It is the first Doctor Who episode to be broadcast with "TARDIS" in the title. Ashley Walters's character Gregor van Baalen was originally intended to be a cyborg and Jahvel Hall's character was originally called Sander rather than Tricky. Also changed was a scene in which Clara explores a room of discarded possessions from earlier companions; this was simplified to her discovering Amy Pond's toy TARDIS and the Doctor's cot. The episode was originally supposed to be the eleventh episode in place of "The Crimson Horror". 
  A preliminary script for the episode was finished in June 2012. It had its read-through on 29 August 2012 at Roath Lock studios, following the day's filming for "The Snowmen". "Journey to the Centre of the TARDIS" was produced alone as the seventh filming block of the production schedule. Filming took place from 4 to 24 September, mostly on studio sets at Roath Lock studios. The scenes involving the Hornet ship were shot on 4 September at a warehouse on Celtic Way in Newport with footage of the TARDIS being caught by the magnetic tractor beam also being filmed at Roath Lock on 4 and 5 September. The majority of TARDIS scenes were filmed 6–11 September. Filming of Cardiff Castle substituting for the TARDIS library also took place on 11 September. Material featuring the Eye of Harmony was filmed on 12–14 September. Filming was interrupted as actor Jenna Coleman, who plays the doctor's companion, was ill on 17 September: effects and insert shots were filmed that day. Regular filming with Coleman resumed, with more shots of the engine room and console room taking place 18–19 September. The final shots of the console room were filmed on 24 September. Insert shots then took place on 18 October and 27 November. The final shot was the scene where the Doctor and Clara enter the defensive front of the TARDIS's engine room, which was filmed on 28 November at the Argoed Isha Quarry in the Vale of Glamorgan.
  Guest star Ashley Walters came into conflict with the producers on his first day of filming when he tweeted a picture of himself in his costume in his trailer with the word "space". The picture was immediately removed.
caption: The TARDIS set
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