Peter is worried 'World War 5' is going to happen because Stewie got bashed up by a baby girl.
Lois: Peter what exactly are you worried is going to happen because of this?
Peter: World War 5!
Lois: Peter, we've been over this. There has to be a World War 3 and 4 first.
Peter: Oh no, oh no. That's the beauty of World War 5 Lois, It's so intense it skips over the other two.
Lois: Peter, it doesn't work ...
Peter (interrupts): I HAVE SPOKEN!
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hahahaha I HAVE SPOKEN!