Kurt: Yeah. Leonard: Hi. I'm Leonard and that's Sheldon. Sheldon: From the intercom. Kurt: How the hell did you get in the building? Leonard: Uh...we're scientists. Sheldon: Tell him about our IQ. Sheldon: Leonard. Leonard: Yes? Sheldon: My mom bought me those pants. Leonard: I'm sorry. Sheldon: You're gonna have to call her.