- Amy Farrah Fowler: [talking about Sheldon] How could he not remember a day?
- Penny Hofstadter: Well, people who are abducted by aliens lose time. I mean, maybe it happens to the aliens, too.
- [first lines]
- Penny Hofstadter: Hey Leonard, if you're not busy tomorrow, I have to do a little reception at work.
- Leonard Hofstadter: Oh, I would, but we need to make a push on the air force project.
- Penny Hofstadter: Are you sure? We're celebrating our new ADD drug. I mean it'll probably be over in like six minutes
- Amy Farrah Fowler: Did you say you guys are working on the guidance system tomorrow?
- Leonard Hofstadter: Yeah, why?
- Amy Farrah Fowler: Well, Sheldon said that he was going to work with me on our quantum perception projct.
- Leonard Hofstadter: We've had this planned for a week.
- Amy Farrah Fowler: Well, he reconfirmed with me this morning.
- Raj Koothrappali: Guys, before this gets ugly, remember - the winner gets Sheldon.
- Amy Farrah Fowler: Why did you tell Leonard you're working on the gyroscope tomorrow?
- Sheldon Cooper: Because I am.
- Amy Farrah Fowler: But you said you were working for me.
- Penny Hofstadter: Uh-oh! Somebody's got two dates to the nerd prom.
- Sheldon Cooper: I have a plan to work on both projects simultaneously.
- [to Penny]
- Sheldon Cooper: And for your information, the summer conference on algebraic topology at Caltech is nerd prom.