Journey to the Centre of the TARDIS (TV story)

Journey to the Centre of the TARDIS was the tenth regular episode of the seventh series of Doctor Who produced by BBC Wales. It was notable for marking the first time the Doctor told Clara Oswald about her multiple lives and deaths.

Synopsis
The TARDIS has crashed, Clara is lost inside, and the Doctor has 30 minutes before his ship explodes!

Plot
Clara Oswald is lost in the depths of the TARDIS which is invaded by an intergalactic salvage crew who want to sell it for scrap, but the Doctor threatens to destroy the TARDIS by putting it in lock down and activating the self destruct if the salvage crew doesn't help him find Clara.

Cast

 * The Doctor - Matt Smith
 * Clara Oswald - Jenna-Louise Coleman
 * Gregor Van Baalen - Ashley Walters
 * Bram Van Baalen - Mark Oliver
 * Tricky - Jahvel Hall
 * Time Zombies - Sarah Louise Madison, Ruari Mears, Paul Kasey

Books

 * The History of the Time War is a book unfolding the history of the Last Great Time War. Clara is reading the book while in The TARDIS' library.
 * The library also contains the Encyclopedia Gallifreya, which is knowledge in liquid form.

The TARDIS

 * Tricky mistakenly describing the TARDIS as "some kind of escape pod."
 * The TARDIS is at least partially sentient, and when the salvage team tries to open it, she seems to "suffer".
 * Amongst its other rooms and chambers, the TARDIS has an observatory with the telescope from Tooth and Claw (TV story).
 * The Doctor tells Clara that the TARDIS is not like a "cheese grater."
 * The TARDIS display that declares "Engine Status: Overload" also mentions the Console room, Eye of Harmony, Library, Observatory, and Arch-Recon.

Individuals

 * Tricky thinks he's an Android, because of a cruel joke his brothers told him.

Story notes

 * The name of the episode was influenced by the novel Journey to the Centre of the Earth.
 * This is the first televised story to include the word "TARDIS" in its title.
 * Except for a few scenes, this episode is set entirely within the Doctor's TARDIS.
 * This episode aired on Jenna-Louise Coleman's 27th birthday.

Ratings
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Filming locations
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Production errors
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Continuity

 * Clara briefly learns the Doctor's true name but then forgets it when the Doctor rewrites the entire adventure. This makes her the second person in the televised series who learns the Doctor's true identity. The first person to learn his name was River Song. (TV: Forest of the Dead)
 * Clara glimpses the TARDIS swimming pool. (TV: The Invasion of Time, The Eleventh Hour, Day of the Moon)
 * Clara hides in the TARDIS library. (TV: The Eleventh Hour)
 * Inside the library, the Doctor has kept The History of the Time War, a book outlining the history of the Time War. (Rose, The Unquiet Dead, et al.)
 * Clara comes across the Doctor's cot. (TV: A Good Man Goes to War, GAME: The Gunpowder Plot)
 * As the TARDIS leaks the past, several voices can be heard. They are, in respective order:
 * The voice of Susan Foreman says, "I made up the name 'TARDIS' from the initials: Time and Relative Dimension In Space." (TV: An Unearthly Child)
 * The Third Doctor saying, "The TARDIS is dimensionally transcendental" and his companion, Jo, asking "What does that mean?"
 * The Eleventh Doctor saying, "You sexy thing!" then Idris (the TARDIS in human form) replying, "See, you do call me that! Is it my name?" followed by the Doctor's exclamation of "You bet it's your name!" (TV: The Doctor's Wife)
 * The Fourth Doctor saying, "That's trans-dimensional engineering. A key Time Lord discovery." (TV: The Robots of Death)
 * The Ninth Doctor saying, "The assembled hordes of Genghis Khan couldn't get through that door, and believe me they've tried." (TV: Rose)
 * Martha Jones saying, "It's just a box with that room crammed in!". (TV: Smith and Jones)
 * Amy Pond saying, "We're in space!". (TV: The Beast Below)
 * Ian Chesterton asking, "It can move anywhere in time and space?" (TV: An Unearthly Child)
 * The Fifth Doctor asking, "You've changed the desktop theme, haven't you?" (TV: Time Crash)
 * This is the third time the Doctor has forced others into helping him by threatening to blow the TARDIS up, once again admitting that the TARDIS self-destruct is a hoax. (TV: Attack of the Cybermen, Victory of the Daleks)
 * The Seventh Doctor's umbrella appears. (TV: Paradise Towers).
 * The Eye of Harmony is seen within the TARDIS. (TV: Doctor Who)
 * The TARDIS's cloister bell tolls after the TARDIS is pulled out of flight and suffers heavy damage to the console room. (TV: Logopolis, Castrovalva, Resurrection of the Daleks, Doctor Who, et al.) The cloister bell was also heard in the preceding serial, TV: Hide.
 * The Doctor once again steps through a crack in time and space to undo events. (TV: The Big Bang)
 * Despite time being rewritten, Gregor remembers something that the Doctor had told him not to forget. (TV: The Big Bang)

Home video releases
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