Leonard: I don't get how she can just announce that an old boyfriend is going to be sleeping on her couch. Penny (out of the window): Sheldon! Penny: Leonard is wrong. Raj: I didn't ask you to set me up with Lakshmi. Sheldon is in his spot. Sheldon, tell my parents that Howard and I are just friends. Spider-Man loses a big fight and then his girlfriend breaks up with him.
Plan: A: her guitarist friend; Q: Who did Penny announce was going to sleep on her couch? A: Leonard; Q: Who is upset that Penny didn't ask him first? A: his quarreling parents; Q: What is Sheldon upset by reminders of? A: Leonard and Penny fight; Q: What happens when Leonard and Penny are upset about Penny sleeping on Leonard's couch? A: his parents; Q: Who does Raj argue with? A: Howard; Q: Who argues with his mother? Summary: When Penny announces that her guitarist friend, who she dated twice, is going to sleep on her couch for the next few days, Leonard is upset that she didn't ask him first. Sheldon is upset by reminders of his quarreling parents as Leonard and Penny fight, Raj argues with his parents and Howard argues with his mother.