Are you interested in physics? Sheldon: Howard? I don't need the PBS special, I just want to know enough so I can talk to Leonard about his job. Penny: 'Cause I want to surprise him. We should be ready to go day after tomorrow. Bernadette: It unhooks in the front. Howard: Of course. Bernadette: You're not jealous of Leonard, are you?
Plan: A: Howard; Q: Who becomes jealous of Leonard after Bernadette shows an interest in his work? A: friction; Q: What does Howard's jealousy cause in the relationship between Leonard, Penny, and Sheldon? A: Penny; Q: Who asks Sheldon to teach her about physics? A: his job; Q: What does Penny want to talk to Leonard about? A: mixed results; Q: What is the result of Penny asking Sheldon to teach her about physics? Summary: Howard becomes jealous of Leonard after Bernadette shows an interest in his work, causing friction in the relationship of all three. Penny becomes jealous over not being able to talk to Leonard about his job, and asks Sheldon to teach her about physics to mixed results.