VALEYARD: At last, Doctor.

DOCTOR: Am I late for something?

VALEYARD: I was beginning to fear you had lost yourself. Sit down.

(Each Doctor and their respective companion enter their own TARDIS at the same time)

RIA: Doctor? Who was that?

NTH DOCTOR: My Past...

RIA: Oh, so it's gone dowhill since then?

ACE: Doctor? Who was that man?

SEVENTH DOCTOR: My Future...

ACE: Oh, so it gets better then?

TASLO: You're completely mad!

DOCTOR: So I've been told.

THE TOYMAKER: I made a jigsaw out of your history. Did you like it?