DOCTOR: Funny little human brains. How do you get around in those things?

DOCTOR: Relax, he's a fifty first century guy. He's just a bit more flexible when it comes to dancing.

ROSE: How flexible?

DOCTOR: Well, by his time, you lot have spread out across half the galaxy.

ROSE: Meaning?

DOCTOR: So many species, so little time.

ROSE: What, that's what we do when we get out there? That's our mission? We seek new life, and, and-

DOCTOR: Dance.

DOCTOR: Everybody lives, Rose. Just this once, everybody lives!

HARCOURT: Doctor Constantine.

CONSTANTINE: Mrs Harcourt. How much better you're looking.

HARCOURT: My leg's grown back. When I come to the hospital, I had one leg.

CONSTANTINE: Well, there is a war on. Is it possible you miscounted?

DOCTOR: Setting this to self-destruct, soon as everybody's clear. History says there was an explosion here. Who am I to argue with history?

ROSE: Usually the first in line.

DOCTOR: The nanogenes will clean up the mess and switch themselves off, because I just told them to. Nancy and Jamie will go to Doctor Constantine for help, ditto. All in all, all things considered, fantastic!

ROSE: Look at you, beaming away like you're Father Christmas.

DOCTOR: Who says I'm not, red bicycle when you were twelve?

ROSE: What?