Kaley Cuoco stars as Penny, Sheldon and Leonard's beautiful next door neighbor. Penny is an aspring actress that currently works at the local Cheesecake Factory.
Penny moved across the halls from the boys after her split from her boyfriend of four years, Kurt. She briefly dated Sheldon, but it did not work out due to her insecurity about her intelligence.
Penny: Hey, Sheldon, did you change your Wi-Fi password again?
Sheldon: Yes, it's "Penny, get your own Wi-Fi." No spaces.
Sheldon: I've read that there are great yogis who have such mastery over their bodies they can draw water in through their genitals.
Penny: Yeah well I don't think we're going to get to do that today.
Sheldon: Too bad. Seems like a good way to drink a milkshake without getting brain freeze