Ted: What was it?
Marshall: Only the craziest, meanest looking mouse you've ever seen.
Lily: Mouse? Sweetie, that wasn't a mouse. That was a huge cockroach.
Marshall: Baby, it was a mouse. It had a whiskers.
Lily: But those things coming out of his head, those were antennae
Barney: Marshall ran away from a cockroach.
Marshall: It- It was a mouse.
Barney: Oh, yeah, sorry, my bad. You're a man.