- (25 December 2013)
- [The Doctor has regenerated]
- The Doctor: Kidneys! I've got new kidneys! I don't like the colour.
- Clara: Of your kidneys? [The TARDIS starts shaking] What's happening?
- The Doctor: We're probably crashing. Oh!
- Clara: Into what?
- The Doctor: Stay calm! Just one question: Do you happen to know how to fly this thing?