Howard: Is he working on our guidance system or not?
Colonel Williams: Dr. Cooper contacted us with an idea on how to modify your technology into a communication system, and it seemed interesting.
Leonard: But our team developed that technology.
Colonel Williams: And he was your team leader.
Howard: Well, who said he was team leader?
Colonel Williams: He did. And I like that kind of "take charge" attitude.

Howard: Why would the military want Sheldon?
Leonard: I don't know. Target practice?

Barry Kripke: Whoa, whoa, whoa. You didn't tell me we were doing this just to stick it to Sheldon.
Leonard: Well-
Barry Kripke: I messing with you. This sundae just got a cherry on top!

Sheldon: And worse than that, Edison filmed the first on-screen kiss, so he's basically a pornographer. Although every time I put that in Wikipedia, someone takes it out.