QI, Series G

[On zombie apocalypse]

Stephen Fry:
Alan, you're a zombie. You bite Jimmy. Jimmy, you're now a zombie, you bite Jack. Jack, Jack bites Mel, and so on.

Alan Davies:
[pointing at Sue Perkins, who's rolling her eyes] Sue.

Stephen Fry:
What?

Alan Davies:
Sue!

Stephen Fry:
[Realizes what he has said, buries his face in his hands]

Jimmy Carr:
Stephen, ten points now if you know her name.

Sue Perkins:
Is this the warm, personal touch that you get when you come to this show?

Stephen Fry:
[bright red] I'm so ashamed! Oh Sue, I'm sorry.

Alan Davies:
No-one noticed, Hugh.