Doctor: All this piping must go down, into a tunnel or a shaft, or… something, yes? With us? (moves some stuff) Yowzer! An escape route!
Amy: (mouths) Yowzer?
Doctor: You know, I’m starting to get a sense of just how impressive it is to hang out with me.
GangerDoctor: Do we tend to say ‘yowzer’?
Doctor: That’s enough, let it go, okay? We’re under stress!