TENTH DOCTOR: Right, here’s the pipe. I’ll go first. Estra, after me, then Padilla. Curly, you bring down the rear.

SIXTH DOCTOR: Curly?

TENTH DOCTOR: It feels daft calling you Doctor.

SIXTH DOCTOR: Well, I am the Doctor.

TENTH DOCTOR: You can give me a nickname if you want.

SIXTH DOCTOR: I don’t.

TENTH DOCTOR: Someone called me pretty boy once.

SIXTH DOCTOR: What? I am not calling you that. I’d rather hoped for a… for a dignified old age.