Alex: No. And my mother. And our cat. Anyway, I feel like he's hitting on her. Cole (off): See you. Cole: Really? He could be having the time of his life while she thinks she's a chicken pecking for corn. He's just in her history class. Howard: This is where he goes? Howard: What the hell is he up to? It's the spare camera for the Mars rover. Leonard (crying): She loves me. Leonard: Come on, trust me, he's hitting on you. Leonard: If you're wondering why I've been staring through the peephole, I'm trying to get a look at this guy who's coming over to Penny's. Leonard: You know that's the first time you ever said that you love me. Looks like the camera's working. Or Bill Gates. Penny is texting. Penny: No, he's not. Penny: Nothing. Penny: Relax. Penny: What is your problem? Raj: And what does forty-three mean? Raj: He is kind of a weirdo. Raj: Hold on, hold on. Raj: I think it's an old storage room. Scene: A corridor in the basement. Scene: The cafeteria. Scene: The room in the basement. See you at school. She might be performing sexual acts with him and not even know it. Sheldon (with an alien creature stuck to his face): Oh! Sheldon: It's a hypothetical containment field for a Frisbee-sized wormhole that could serve as a portal to a parallel universe. Sheldon: You don't need to know, you don't deserve to know, and you will never know. They are crazy. They're working on a project together. Wait, in the Hitchhiker's Guide to the Galaxy, isn't forty-three the answer to the question of life, the universe,and everything? You know her? forty-three is the number of calories in half a cup of fat-free yoghurt.
Plan: A: Leonard; Q: Who is jealous of Penny's British classmate Cole? A: Penny; Q: Who does Leonard tell about his insecurity about other men hitting on her? A: an oral class project; Q: What is Cole working on with Penny? A: trust; Q: What does Penny feel Leonard lacks? A: the Caltech cafeteria; Q: Where does Leonard discuss his problem with Alex? A: Alex; Q: Who flirts with Leonard in the cafeteria? A: the first time; Q: How many times has Penny confessed her love for Leonard? A: Howard; Q: Who installs a "borrowed" Mars Rover camera to spy on Sheldon? A: 3:05 pm; Q: What time does Sheldon leave the storage room? A: daily; Q: How often does Sheldon enter a storage room in Caltech's basement? A: midnight; Q: When do Howard and Raj break into Sheldon's storage room? A: 43; Q: What is the maximum number of consecutive hits Sheldon has? A: its meaning; Q: What do Howard and Raj try to discover about the number "43"? A: an alien creature; Q: What does Howard fake a video of himself being attacked by? A: a small wormhole; Q: What does Howard open to find life in the 44th parallel universe? A: the audience; Q: Who sees Sheldon playing with a hacky sack in the final scene? Summary: Leonard is jealous of Penny's British classmate Cole who works with her on an oral class project, afraid Cole is hitting on her. Confronting him on the staircase, he tries to frighten him off Penny, unaware he is uninterested. She overhears them and is furious at Leonard's lack of trust. In the Caltech cafeteria, Leonard discusses his problem with Alex, who flirts with him, unbeknown to him. He later tells Penny of his insecurity about other men hitting on her, and she finally confesses her love for him. Leonard says that this is the first time she said that she loves him. Meanwhile, Howard and Raj wonder what Sheldon does from 2:45 to 3:05 pm daily. They see him enter a storage room in Caltech's basement. They break in at midnight to find only the number "43" on a chalkboard and nothing else. They try to discover its meaning using their science, mathematics and popular media knowledge but to no avail. Howard installs a "borrowed" Mars Rover camera to spy on Sheldon. Finding the camera, he fakes a video of himself in the room under attack by an alien creature after he opens a small wormhole to find life in the 44th parallel universe, the first "43" being lifeless. He admonishes them for spying and reveals he relaxes in the room from his difficulties in daily life, but will not explain "43" because they don't need or deserve to know. In the final scene, the audience sees Sheldon playing with a hacky sack in the room: "43" is his maximum number of consecutive hits.