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Continuity: When the Doctor is trying to fix the connection from the past to the future through the fireplace, the background of the spaceship can be seen behind the flames whilst there is no connection.
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Quotes
Elton: But what I wanted to say is... you know, when you're a kid, they tell you it's all, grow up. Get a job. Get married. Get a house. Have a kid, and that's it. Ah. But the truth is, the world is so much stranger than that. It's so much darker. And so much madder...And so much better.
Trivia
Jack causes the Clock Tower to light up. At the end, the writer wanted someone to say 'Jack, did you remember to turn off Big Ben?' then have a bomb land on the Houses of Parliament and the Clock Tower. (The Houses of Parliament did get bombed. The joke was to make it all Jack's fault). See more...
Doctor Who (2005) - 4 mistakes in "The Girl in the Fireplace"
starring David Tennant, Freema Agyeman, Billie Piper, Catherine Tate, Christopher Eccleston (add more)
The Girl in the Fireplace (season 2, episode 7)
Continuity: When Madame de Pompadour is walking in the gardens with her friend, the Doctor ducks down behind a pillar so he will not be seen. He puts his hands on the pillar but in the next shot they are gone, then they are back again.
Factual error: When the Doctor enters Renette's room for the first time, he pulls back the curtain and looks out of the window. We see that it is heavily snowing on the famous French cathedral of Notre Dame. It is impossible to see Notre Dame from the windows of the chateau de Versailles, as Notre Dame is in the centre of Paris and Versailles is on the outskirts.
Factual error: Madame de Pompadour calls herself "Reinette" in 1727, whereas in actual fact, this was a nickname meaning "Little Queen" which was not given to her until 1730.
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