S5E18: Meet the Quagmires
Lois, this is a huge mistake.
What are you talking about, Peter?
You're supposed to be married to me.
We're the ones who were meant to be together, not you and Quagmire.
(CHUCKLING) It's a little late for that, don't you think, Peter?
I mean, there was a time back when we dated that I thought you might be the one,