QI, Series I

Chris Addison:
You know, Edison electrocuted an elephant. It's my favourite fact of all time.

Stephen Fry:
Yes. Do you know why?

Chris Addison:
He was carrying out an execution.

Alan Davies:
I think you might know this 'cos you saw it on QI.

Stephen Fry:
[laughing] Yes.

Chris Addison:
Really? [over the audience laughter] The problem of joining you people so late is that you've basically covered all human knowledge!