Sheldon: You know, maybe, um, I should start right now, and go back to Pasadena and let you have this experience to yourself.
Amy: You just want to go back 'cause that's where everybody makes a fuss over you.
Sheldon: You know, your colleagues are right, you are brilliant.

Stephen Hawking: Are you sitting in a bathroom?
Sheldon: Yes. I needed a place to storm off to and it was all that was available.
Stephen Hawking: Fine. But if I hear a flush, this conversation is over.

Leonard: Uh, Surprise!
Penny: Oh, crap. Is it our anniversary?
Leonard: No. Wait. No.

Sheldon: It's like having Optimus Prime over to dinner and not asking him to turn into a truck.

Amy: Sheldon, I know this isn't easy, but you'll have a whole lifetime to practice.
Sheldon: It could take that long, I'm really bad at it.

Penny: Do you think Sheldon's gonna want some weird Star Trek wedding?
Bernadette: I don't know.
Penny: Well, Leonard could barely finish the words "Doctor Who wedding cake" before I shut that down hard.

Amy: Why don't you stay a few extra days?
Sheldon: Well, I don't have any other clothes.
Amy: We'll get you some.
Sheldon: Oh, I don't know, I'm pretty particular.
Amy: Well, there's a comic book store less than a mile from here.
Sheldon: Perfect, let's go shopping.

Amy: Oh, um, and I'm having dinner with some colleagues tonight. I'm sure they'd love to meet you. Come on, what do you say?
Sheldon: Aw, you're nagging me. It's like we're already married.
Amy: Is that a yes or a no?
Sheldon: Geez, save some for the honeymoon.

Raj: Hello, Ramona.
Ramona Nowitzki: Mm. Hello.
Raj: Why are you sitting by yourself? Oh, that's right, Sheldon's in New Jersey being engaged to Amy.
Ramona Nowitzki: I heard.
Raj: Now that Sheldon's out of the picture, I could give you one more chance to go out with me.
Ramona Nowitzki: Nope, I'm good.
Raj: You sure? I will not ask again.
Ramona Nowitzki: I sincerely hope not.
Raj: Very well. I'm going to leave before this gets awkward.

Sheldon: Hey, where are you going?
Amy: I'm storming off to my room.
Sheldon: Well, then where am I supposed to storm off to?
Amy: Well, you're so smart, why don't you figure it out? (door closes)
Sheldon: Is there another bedroom? Perhaps a-a den?

Amy: Dr. Nowitzki?
Ramona Nowitzki: Oh. Dr. Fowler. Um, hello.
Amy: Thank you. Thank you so much.

Leonard: So, how are you guys doing with all the new events in your womb?

Howard: Well, congratulations. I'm so happy for you two. Hold on, I have to tell Bernadette. Hey, Bernie, guess what? Sheldon and Amy got engaged. Can you believe it?
Bernadette: (In the bathroom with a pregnancy test) Oh, my God. I cannot believe it.
Howard: She's so happy I think she's crying.

Penny: Is everything okay?
Bernadette: Look, I'm gonna tell you something, but you can't freak out, because I'm already freaking out.
Penny: Oh, my God, what is it?
Bernadette: I'm pregnant again.
Penny: (excitedly) Wha-? ... (quietly) Interesting.

Penny: Okay, look, look, this is a good thing. Halley's gonna have a little brother or sister to play with.
Bernadette: I guess that would be pretty cute.
Penny: And, you, know, I was a surprise to my parents, and my dad said it was the best thing that ever happened to them.
Bernadette: Okay. Maybe this baby actually is a blessing.
Penny: Oh, my God, honey, of course it is.
Bernadette: (exhales) How am I pregnant again?
Penny: Yeah, what were you thinking?