ROMANA: But Doctor, that’s one in a million.

DOCTOR: So are you, Romana. So are you.

MARK: I’m not really Ray Dio. That’s my professional name.

K9: Ray Dio. Analysis suggests an attempted exploitation of the ambivalence of language for humorous purposes.

MARK: Sorry?

DOCTOR: He means it’s a pun. It’s supposed to be funny.

MARK: Yeah, it is funny. I think it’s funny. Isn’t it funny?

K9: Negative.