- [first lines]
- Sheldon Cooper: Leonard, when are you leaving to pick your mother up from the airport?
- Leonard Hofstadter: Oh well, let's see. Her plane gets in at three, I figure half an hour to get her luggage, so... never.
- Penny Hofstadter: Never? Isn't that when you usually go to the gym?
- Raj Koothrappali: [At LAX, after Howard talked him out of going to London to be with Anu, they're walking away from the gate] How'd you get past security?
- Howard Wolowitz: I bought a ticket. You owe me $1200.
- Bernadette Rostenkowski: You seem angry.
- Leonard Hofstadter: Of course I'm angry.
- Bernadette Rostenkowski: So, would you say that you're somewhat angry, very angry, or extremely angry? Never mind, I can see it in your face, dear.
- Denise: So you want to move in with me?
- Stuart Bloom: More than Galactus wants to devour worlds.
- Denise: Well that's great, cause I want to move in with you more than the Thing wants to clobber
- Stuart Bloom: More than the Hulk wants to smash.
- Denise: More than Batman wants to ignore the due process of law.
- Stuart Bloom: We are so weird.
- Howard Wolowitz: Doesn't she have her own place? Why don't you guys hang out there?
- Stuart Bloom: Um, she has a roommate and he's kinda creepy. And that's coming from me.
- Stuart Bloom: Hey, when I moved in, you and Bernadette said it was okay if I brought girls over.
- Howard Wolowitz: We were making fun of you.
- Dr. Beverly Hofstadter: I see, so... you're here to tell me all the ways that I failed you as a mother
- Leonard Hofstadter: Yeah. And get comfortable, 'cause i-it's a long list.
- Dr. Beverly Hofstadter: Is it happening soon?
- Leonard Hofstadter: You know what? It doesn't matter. Doesn't matter, you're never gonna change. If I want you to accept me for me, then I guess I'm gonna have to accept you for you. So... I forgive you.
- Dr. Beverly Hofstadter: I didn't ask you to forgive me.
- Leonard Hofstadter: Too bad. I forgive you anyway. And I forgive myself for taking so long to do it. Oh, my God, that feels so good.
- Dr. Beverly Hofstadter: I must admit, it... it does feel good.
- Leonard Hofstadter: What does?
- Dr. Beverly Hofstadter: You forgiving me. It means a lot. Thank you.
- Dr. Beverly Hofstadter: Oh, I've always gotten along with Leonard. Of all of my children, he's the most docile.
- Raj Koothrappali: [about Denise] I've noticed she's been over here a lot, lately.
- Howard Wolowitz: You know how you noticed that, because you're over here a lot, lately.