- Doctor Who: Surely you realize something here must be wrong.
- Zargo: Wrong?
- Doctor Who: R... yes.
- Camilla: What is, is.
- Doctor Who: Well, what IS is wrong. Look, societies develop in varying ways. Yours just seems to be sinking back into some sort of primitivism, wouldn't you say so?
- Romana: Oh, yes.
- Doctor Who: There.
- Romana: In terms of applied sociogetics, it's losing it's grip on level two development.
- Doctor Who: On level two?
- Romana: A society that evolves backwards must be subject to some even more powerful force restraining it.
- Doctor Who: Do you know, it just occurs to me there are vampire legends on almost every inhabited planet.
- Romana: Really?
- Doctor Who: Yes.
- Doctor Who: Whatever it is, we want to find it, don't we?
- Romana: No.
- Doctor Who: Good. Come on, then.