Season 8, Episode 20: "The Millennium"

- Hello. - Who's this?

- It's Jerry. Who's this? - It's Valerie.

Oh, hi, Valerie, what's up?

I'll tell you what's up. My stepmother is violently ill...

...so I hit the button for Poison Control and I get you.

Wow, Poison Control. That's even higher than number one.