Penny: How can you call yourself a scientist and run out of solder?
Leonard: Well, funny story. So, we have plenty of the 60/40 tin-to-lead ratio solder, but the spools look a lot like the 63/37 tin-to-lead.
Penny: Honey, honey, honey, let me stop you. That is, is not a funny story.

Sheldon: Fine. I'm sorry. Thank you for the thoughtful gift. I really do appreciate it. As you know, I had become attached to my old laptop. But I'm sure, in time, that this one will ... Jeepers creepers, that started up fast!

Raj: Hey. Where are the guys?
Penny: Oh, they went to the store to get solder, which is metal you melt to make science things.

Leonard: What are we gonna tell the girls?
Howard: It's not a problem.
Leonard: I mean without lying.
Howard: And now you've made it a problem.

Cinema Worker: Uh, were gonna get started in a couple minutes. Enjoy.
Leonard: Who are you texting?
Howard: Raj. He really wants to see this movie.
Leonard: He'll never make it in time.
Howard: I know. I want to make him feel bad.
Leonard: "Ha, ha. Leonard and I are about to see Suicide Squad. Spoiler alert, when I see you I'm gonna spoil it." You're a good friend.

Amy: Why do you have a storage unit?
Sheldon: Just wait.
Amy: How long have you had it?
Sheldon: Just wait.
Amy: Do you want me to hold that computer?
Sheldon: Just wait. You know what? Actually, yes, thank you.

Sheldon: In here is every clock radio I've ever owned. Calculators, VHS tapes. Yeah. Oh, sporting equipment.
Amy: You have sporting equipment?
Sheldon: Well, oh, it's just a golf ball that my brother threw at my head. You can still feel the dent. It's right next to the hockey puck dent.

Amy: So, why do you feel you need to save these things?
Sheldon: I'd like to say it's nostalgia, but every time I think of throwing anything away, my ears start to ring, and I get butterflies in my stomach. And then it feels like the butterflies get eaten by rats, and then the, the rats get eaten by...
Amy: Okay. I get it. I get it.
Sheldon: It ends with dinosaurs. I'm sorry if you think less of me.
Amy: I don't.
Sheldon: Really? 'Cause every time I come in here, I think less of me.
Amy: Why?
Sheldon: Because I'm a fraud. No, I purport to be a man of the mind. I've been such a, a vocal champion of the singularity. But how can I leave my body behind and become one with the Internet when I've never even thrown a toothbrush away?

Leonard: Hey.
Howard: Hi.
Penny: Hey, what's this?
Leonard: Listen, we did a stupid thing.
Howard: We went to a movie and lied about it, but we feel bad and want to make it up to you.
Leonard: So, these are for you, and if you're not too mad, we'd love to take you guys to dinner.
Howard: Yeah. Anywhere you want.
Bernadette: Oh. Well, thank you for being honest.
Penny: Yeah. You know, I want to be upset, but we did kind of have fun working on the prototype.

Howard: Ready for dinner?
Penny: Yeah.
Bernadette: Should we invite Raj?
Raj: (Inside the closet) Yes.

Amy: That's me, your emotional outhouse. You know, if you ever decide you want to do something about this, I'm here for you.
Sheldon: Thank you. I wouldn't even know how to begin.
Amy: Baby steps, I guess.
Sheldon: I suppose I could try getting rid of the golf ball.
Amy: Oh, okay.
Sheldon: I will always have the dent to remember it by.
Amy: You did it. Do you feel okay?

Penny: What am I smelling?
Sheldon: Oh, it's car air freshener. I was simulating the smell of the forest.
Penny: That's not what the forest smells like.
Sheldon: Well, how would I know?

Amy: We could all go for the weekend. It'll be fun.
Sheldon: Excuse me. (Gets up and hands Amy a dictionary) Here, look up fun, get back to me.

Leonard: You and I could still go and have a nice weekend.
Penny: Sure.
Amy: Come on, Sheldon, let's go with them.
Sheldon: I hardly think so. You be sure and say hello to all the mosquitoes, bees, bears, snakes, possums, poison oak, oh, and last, but not least, teenagers with guitars.

Howard: You feel like Raj is getting a little carried away with all the baby stuff?
Bernadette: I don't think so. He just wants to be part of the experience.
Howard: All right, if you say so. What's in the box?
Bernadette: Oh, it's an ultrasonic microphone so we can hear the baby's heartbeat.
Howard: Oh. That's cool. Can we try it?
Bernadette: Actually, Raj ordered it. He made me promise to wait till he was here.
Howard: So he can be part of the experience?
Bernadette: Yeah.
Howard: I'm surprised he let us conceive without him.
Bernadette: It's a sore spot, don't bring it up.