DOCTOR: You know, you really are very stupid for such clever people. If I were you I'd find that door and discover what's behind it. Because until you do, we're all at risk, You, Me, Mel, everybody. Are these antiques dotted around all over the building? It really is a splendid piece of auditoryarchitectatonicalmetrasyncocity.

FIRE ESCAPE: It works!

DOCTOR: I'm sure.