- Penny: Sheldon and Amy had sex.
- Raj Koothrappali: Shut your ass!
- Penny: Mm-hmm. Amy told me.
- Raj Koothrappali: How did that even happen? Did they know that's what they were doing when they were doing it?
- Amy: Sheldon and I engaged in sexual intercourse. In other news, I'm thinking of starting an herb garden. Mum's the word! Gotta go!
- Sheldon: I must say, Amy, pretending to have intercourse with you has given me a great deal of satisfaction.
- [about Bernadette]
- Howard Wolowitz: Her freakishly small hands make anything look big. It's one of the reasons I love her.
- Priya Koothrappali: [about Raj] I found poems he wrote about her. Very disturbing. "Oh Bernadette, please play my clarinet."
- Leonard: Oh. That's hard to believe.
- Priya Koothrappali: Yes. And for years everyone in my family was convinced he was the... clarinet enthusiast.
- Priya Koothrappali: By the way, a fellow at work said I could use his Dodger tickets this weekend. Does that sound like fun?
- Leonard: Well, yeah! Dodgers are baseball, right?
- Priya Koothrappali: You need to explain the game to me.
- Leonard: Mmm, it's complicated, but as I remember it the essentials are get chosen last, get hit by the ball, cry, go home.
- Raj Koothrappali: Hello, Mummy. Hello, Daddy. How are you?
- Mrs. Koothrappali: We're very rich in a very poor country, so all in all, can't complain.
- [last lines]
- Amy: [to Penny] Just stopped by to let you know I'm getting orthotics. Also I'm carrying Sheldon's baby. Mum's the word.
- [Amy, walking down the stairs, meets Leonard, who is coming up looking at his cell phone]
- Leonard: You're *pregnant*?
- Amy: Wow. Is there anything on there about orthotics?
- Sheldon: I've been thinking about Dr. Greene's efforts to make science palatable for the masses.
- Leonard: Yeah? What about it?
- Sheldon: That's all. I've just been thinking about it. Now I'm thinking about fractal equations. Now I'm thinking about the origin of the phrase "train of thought." Now I'm thinking about trains.
- Raj Koothrappali: Are you listening to this guy?
- Howard Wolowitz: Hmm? Oh, I'm sorry, I was somewhere else.
- Leonard: Lucky bastard!
- Sheldon: Now I'm thinking about Jell-o.
- Howard Wolowitz: Hey, everybody, I got something I want to ask Bernadette, and I can't think of a better time than when I'm with all my friends.
- Leonard: Oh, hold on, Howard. There's lots of better times.
- Raj Koothrappali: Leonard, please. The man is talking. Let him get it out, and let the chips fall where they may.
- Howard Wolowitz: Thank you. Bernadette Maryann Rostenkowski...
- Bernadette Rostenkowski: Oh, God. What's happening?
- Howard Wolowitz: I know things haven't been perfect with us, and we've had our problems, but I just have to tell you, from the moment I...
- Bernadette Rostenkowski: Howard, let me just stop you right here.
- Raj Koothrappali: This is it.
- Bernadette Rostenkowski: Yes.
- Howard Wolowitz: Yes, what?
- Bernadette Rostenkowski: Yes, I will marry you.
- Howard Wolowitz: You will?
- Raj Koothrappali: You will?
- Bernadette Rostenkowski: I will. I will!
- Howard Wolowitz: Oh, I love you so much.
- Bernadette Rostenkowski: Oh, I love you, too.
- Leonard: Congratulations!
- Priya Koothrappali: Oh, it's so exciting.
- [Howard has announced his intention to propose to Bernadette, but Leonard and Sheldon heard that she was planning on breaking up with him]
- Leonard: Poor guy. He's gonna be blindsided.
- Raj Koothrappali: [grinning like an idiot] I know. It'll be awful!
- Sheldon: Why are you smiling?
- Leonard: [knowing Raj has a crush on Bernadette] Yeah, Raj, why?
- [first lines]
- Brian Greene: My new book, 'The Hidden Reality', takes on a grand question: Is *our* universe the only universe? You see, there's a growing belief among scientists like me that ours may only be one among many universes populating a gigantic cosmos. In 'The Hidden Reality' I explore this possibility without presuming any knowledge of mathematics or physics on the part of the reader.
- Sheldon: [to Amy] Hysterical.
- Amy: [to Sheldon] I'm glad you talked me into this. We work so hard sometimes it's nice to goof off and do something silly.
- Sheldon: Agreed. Yo, wait 'til you hear how he dumbs down Werner Heisenberg for the crowd. You may actually believe you're in a comedy club.
- Brian Greene: You can think about Heisenberg's Uncertainty Principle much like the special order menu that you find in certain Chinese restaurants where you have dishes in column A and other dishes in column B, and if you order the first dish in column A you can't order the corresponding dish in column B; that's sort of like the Uncertainty Principle.
- Sheldon: Ba-dum-bump.
- Amy: I'm glad you talked me into this. We work so hard, sometimes, it's nice to goof off and do something silly.
- Amy: Bernadette just asked about my sexual encounter with you. The meme has reached full penetration.
- Sheldon: Pun intended?
- Amy: No. Happy accident.
- Sheldon: This is remarkable. Took less than 24 hours.
- Amy: I should let you know that she asked for details about our dalliance.
- Sheldon: Interesting. So it went beyond the mere fact of coitus to a blow-by-blow, as it were.
- Amy: Pun intended?
- Sheldon: I'm sorry, what pun?
- Sheldon: Dr. Greene, question?
- Brian Greene: Yes?
- Sheldon: You've dedicated your life's work to educating the general populace about complex scientific ideas.
- Brian Greene: Yes, in part.
- Sheldon: Have you ever considered trying to do something useful?