DOCTOR: So, this is an adaptive hologram. Right now, we're in the TARDIS, having just left the Planet Time, which should not exist. Still bugging me. I've just pulled you out of your own timestream, cos I'm good at doing stuff like that.

YASMIN: All right, bighead.

DOCTOR: Did you just call me bighead?

BOTH: I bet you did.

DOCTOR: Well, still works even if you didn't