CHRIS: The overrides are biometrically linked to me.

DOCTOR: So I’d need a sample of your DNA to trip the lock. Right! You know what you need to do.

CHRIS: Oh, all right, fine. I’ll kiss you.

(Mwah! Chris kisses the Doctor.)

DOCTOR: Oh. No, I just meant a follicle of your hair.

CHRIS: Oh. Really?

DOCTOR: But don’t worry about it.

CHRIS: Oh, I’m so embarrassed.

DOCTOR: There should be enough on my lips, um—oh, actually I probably need a bit extra. Hang on.

(Mmmmwah! The Doctor kisses Chris back.)

DOCTOR: I'm guessing this isn't the Strictly final? I should have taken that left turn at Albuquerque.

DOCTOR: I'm adopted.

RUBY: Are you?

DOCTOR: Yeah, yeah. I, er... I only found out recently.

FLOOD: Oh, Merry Christmas, Abdul. Stop making such a fuss. Never seen a TARDIS before?

DOCTOR: I don't understand why you're so small! You can turn bullets into flowers. Think of the good you could do. So tell me why you don't!

TOYMAKER: You know full well this is merely a face concealing a vastness that will never cease, because your good and your bad are nothing to me. All that exists is to win or to lose.

DOCTOR: And you know full well that I've had many faces, containing something far more. So come with me. Leave this tiny world. We can take your games back to the stars. We can play across the cosmos. We can be… Celestial.

CHARLEY: I'm alright. What was that?

DOCTOR: Something very large landing on the houses across the street.

CHARLEY: Yes, but what very large something?

DOCTOR: I shall find out using my super-Time-Lord-powers of "looking out of the window."