Howard: Guys, guys, there's a simple solution.
Raj: I am not breaking up with her.
Howard: All right. Let's keep thinking.

Bernadette: Okay, so, everyone's happy and healthy?
Stuart: Well, that depends.
Bernadette: What's that mean?
Stuart: Uh, how many teeth did Halley have when you left?
Howard: All of them.
Stuart: Oh, yeah, that's-that's what I was afraid of.
Bernadette: What happened?
Stuart: Um, well, all right. Um, Michael had a little fever last night.
Bernadette: Michael had a fever?
Stuart: Do you want to hear about Halley or not?
Howard: What happened, Stuart?
Stuart: He was running a little fever, nothing to worry about. And Halley, bless her heart, wanted to bring him his boo-boo bear, so she climbed over the safety rail and took a little tumble down the stairs.
Bernadette: She fell down the stairs?!
Stuart: [stammers] She rolled down the stairs, laughing the whole time. [chuckles] Anyway, when she got to the bottom, there was a tooth missing.
Bernadette: Oh, Stuart!
Stuart: She's fine! She thought it was funny.
Howard: Did you at least save it for the tooth fairy?
Stuart: No, we couldn't find it. We have a theory about where it is, but it'll take six to eight hours to confirm. Speaking of which, where do you keep the spaghetti strainer?

Leonard: It's just Penny hit me with some pretty big news and it's a lot to process.
Sheldon: And you'd like to do that quietly. I respect that.
Leonard: She said she doesn't want to have kids.
Sheldon: Maybe she didn't mean it, like when you said you didn't want to talk about this.
Leonard: Forget it.
Sheldon: Do you want to have children?
Leonard: Well, I always assumed we would and now I find out, you know, I might be the last of the Hofstadter line.
Sheldon: Doesn't your brother have children? And your sister. She kept the Hofstadter name and has five healthy boys: Neil, Jeffrey, Scott, William and baby Richard.
Leonard: I'm going back to being quiet.
Sheldon: Sweet.

Anu: I guess if we're going forward with this wedding, we should talk about the next steps.
Raj: Oh, like themes and flowers?
Anu: Actually, finances and taxes.
Raj: Oh. We can't use that. That was the theme of my parents' divorce.

President Siebert: Look, the Nobel Committee doesn't like infighting, so if the four of you don't stop sniping at each other, the award's gonna go to someone else entirely.
Amy: He's right. You know, like it or not, we can't avoid each other. Let's at least try to be civil.
Drs. Campbell: Agreed. You know, when you think about it, we're linked together the same way that super-asymmetry links together every atom in the universe.
Dr. Pemberton: Hmm.
Amy: That's not what it does at all!
Dr. Pemberton: Well, that's the great thing about science. We all get to have our own opinions.
Sheldon: I'm still not talking. That's impressive, right?

Bernadette: Please, that doesn't make you his best friend.
Howard: You know, that reporter asked me if I could put him in touch with Amy's best friend.
Bernadette: That's Penny.
Howard: [singsongy:] Doesn't have to be.

Dr. Pemberton: The point is we should take it as a compliment that even you guys think we will win the Nobel Prize.
Amy: Uh, no, we-we certainly do not think that.
Sheldon: The Nobel Committee will realize that we came up with this theory.
Dr. Campbell: But we proved it.
Amy: By accident.
Dr. Pemberton: All breakthroughs happen by accident.
Amy: No, they don't!

Anu: Sorry, I had to use the facilities. With a bottle of champagne?
Raj: Mm, I like to celebrate the little things in life. You need to go? There's still some left.
Anu: Raj, what is going on?
Raj: No, no, it's not what's going on, it's what's comin' off.
Anu: Stop it. You're acting weird, and it's freaking me out.
Raj: Why? Because I couldn't talk and ran in the bathroom to slug back a bottle of champagne when I pretended to pee?

Sheldon: Now, I know what You're you're thinking: isn't Broccoli Hulk basically just the Jolly Green Giant?
Amy: That is what I was thinking. Let's never discuss it again.

Penny: Let's celebrate. What do you want to do?
Leonard: Oh, please don't make me decide another thing.
Penny: Hey, you want to go to SoulCycle with me?
Leonard: Give me a minute, I'll think of something.

Leonard: Well, I-I didn't quit. I said I was going to. I walked out the door and started crying. You know, "Oh, my, God, oh, my God, oh, my God, what'd I do?" And then he called me back in.
Penny: Then he changed his mind?
Leonard: He did not.
Penny: I'm really confused about how to react to this story.
Leonard: President Siebert didn't want to lose me. Even though they couldn't make me a lead investigator on a plasma team, there was an opening for a co-lead on a photon entanglement team. How cool is that?
Penny: You're gonna have to tell me.
Leonard: It's really cool.
Penny: Yay! Oh, I am so happy for you.
Leonard: I almost got what I wanted, and it never would have happened if you hadn't almost believed in me.

Penny: Raj, it's gonna be okay. Look, sex isn't the most important thing in a relationship.
My first time with Leonard was nothing to write home about.
Raj: Really?
Penny: Yeah, but, you know, over time it got better.
Raj: So practice makes perfect?
Penny: Well, practice makes better.

Penny: How did it go?
Leonard: Great.
Penny: What, so you got the job?
Leonard: I did not.
Penny: So you quit? Okay, Leonard, I can't move. I just bought a six-month membership to SoulCycle.

Penny: Listen, when you have kids, I'm still gonna be there. I'm gonna be their fun Aunt Penny who gives them candy, and teaches them swear words and tells them stories about what a weirdo their mother is.
Amy: I guess I could live with that. What is gonna be hard is letting go of the dream of us breastfeeding each other's babies.
Penny: And it's gonna be hard to forget you said that.

Sheldon: Oh, we should commemorate this one with a selfie. Oh, look at us, two peas in a pod. Oh, speaking of vegetables, how about I start calling you Old Lady Green Beans?