- Can I ask you a question?
- What?
- How can we all have died at the same time?
- The salmon mousse.

— (John Cleese), (Michael Palin)

23 seconds sound clip from the Monty Python's The Meaning of Life movie soundboard.

You can hear this line at 01:37:48.599 in the Blu-ray version of the movie.

Quote context

[...]

- I don't see it that way. Let me tell you what I think we're dealing with here, a potentially positive learning experience that can...

- Shut up! Shut up, you American. You always talk, you Americans. You talk and you talk and you say, 'Let me tell you something' and 'I just wanna say this.'

- Well, you're dead now, so shut up!

- Dead?

- Dead.

- All of us?

- All of you.

- Now look here. You barge in here quite uninvited, break glasses, and then announce quite casually that we're all dead. Well, I would remind you that you're a guest in this house...

- Be quiet! Englishmen! You're all so fucking pompous! None of you have got any balls.

- Can I ask you a question?

- What?

- How can we all have died at the same time?

- The salmon mousse.

- Darling, you didn't use canned salmon, did you?

- I'm most dreadfully embarrassed.

- Now the time has come. Follow. Follow me.

(Gunshots)

[...]