Season 7, Episode 8: "The Pool Guy"

Well, wait a second. Don't you see? That's 555-FILK.

-What's "filk"? -Filk's nothing.

But 555-FILM is Moviefone.

Yeah, so people are just dialing it by mistake and getting you.

-So I'm filk. -You're filk.

Well, but what about that number Susan B. Anthony wore...

...to the 19th Amendment party, huh?

Quite the décolletage for a suffragette.