S6E11: The Former Life of Brian
STEWIE: Hey, Dylan. Hey, come on in here for a sec.
Stewie, why are you nude?
Oh, just a little something I do once a week around here called a naked tea party.
Got my teacup here. Now all I need is a tea bag.
That's something that interests you, my friend?
DYLAN: You're weird. Yeah, and you're attractive.
Now take your fucking pants off!