PlotWhen Leonard realizes that his pursuit of Penny is hopeless, he finds himself seduced by Leslie. However, he finds she's not interested in a stable relationship.
- Blah Blah Blah:Leonard: Are you even listening to me?
Sheldon: Of course I'm listening. "Blah blah, hopeless Penny delusion, blah blah."
- Lopsided Dichotomy: When Penny and Sheldon see Leonard with a guitar case, he deduces that "either he's with Leslie Winkle or a 1930s gangster."
- Mundane Utility: Leslie flash freezes a banana with dry ice so she can smash it and put it on her Cheerios.