QI, Series I

[When was the First World War first called "the First World War"?]

David Mitchell:
It's gonna be some point after 1939, isn't it?

[The forfeit klaxon goes off, with "1939" flashing on the screens]

David Mitchell:
Excuse me! I think I said - I think what I said, people in the box, is after 1939. Which may contain 1939, but does not mean it.

Stephen Fry:
No. Well -

[The klaxon goes off, with "after the Second World War" flashing on the screens]

David Mitchell:
[waving finger] Okay! No, no, no! "After 1939" and "after the Second World War" are not synonymous. Now, this is just giving you time to type "after 1939".

[The klaxon goes off, with "during the Second World War" flashing on the screens]

David Mitchell:
...Why don't you just type "Mitchell is a cock"?

Stephen Fry:
[warningly] I wouldn't put it past them...