Season 4, Episode 14: "The Movie"

Can I have a medium Diet Coke?

-You want the medium or middle size? -What's the difference?

Well, we have three sizes: medium, large and jumbo.

What happened to the small?

There is no small. Small's medium.

So, what's medium?

Medium's large, and large is jumbo.

-Okay, give me the large. -That's medium.