Penny: Hey, you guys look all comfy. Did-did you take the day off?
Amy: It's Saturday.
Leonard: No, it's not.
Sheldon: Great, another thing we're wrong about. How many does that make, Amy?
Amy: Two.
Sheldon: Two things. What happened to us?
Amy: I'll tell you what happened. Professor Gregoropovich.
Leonard: I-I think it's Gregora-poli-popivich, but-
Amy: Three.