Sheldon: So, we're just randomly choosing a restaurant without researching it online?
Penny: Yep.
Sheldon: Great. You know, this is how Anything Can Happen Thursday turns into It Won't Stop Coming Up Friday.

Leonard: All right. I officially reinstate Anything Can Happen Thursday.
Penny: Great! What do, what do you want to do?
Sheldon: I don't know. What do you want to do?
Penny: I don't know. What do you want to do?
Leonard: I'm starting to remember the problem with Anything Can Happen Thursdays.


Amy: Maybe you could make your new field of study the calculation
of nuclear matrix elements.
Sheldon: Oh, please. If I wanted to take up a fad, I'd get a tramp stamp.

Clogzilla. That's pretty funny. I don't think that's gonna pass.

Penny: Wait. What's wrong with geology?
Sheldon: Let me put this in a way you'll understand, Penny. You remember how you explained to me that the Kardashians aren't real celebrities? Well, geology is the Kardashians of science.

Penny: I gave him a new look. It's cute, huh?
Amy: Yeah, it's cute. That's the problem. I don't need other girls to see him walking around like sex on a stick.
Sheldon: She's right. I'm too hot.

Sheldon: Am I wasting my life on a theory that can never be proven?
Howard: Maybe. But how great is Game of Thrones?

Amy: Y-You'll feel better after you eat.
Sheldon: Okay.
Amy: What-what do you want, like, Thai food? A... a burger?
Sheldon: I don't know!

Sheldon: Quick poll: PS4 or Xbox One? Raj.
Raj: Uh, Xbox One.
Sheldon: Penny.
Penny: Huh?
Sheldon: Leonard.
Leonard: PS4.
Sheldon: Wolowitz.
Howard: Both great.
Sheldon: Bernadette.
Bernadette: I like the Wii.
Sheldon: Thanks, Grandma

Penny: Next time I get pulled over for a speeding ticket, here come the waterworks.
Sheldon [running to bathroom]: Here come the waterworks!
Leonard: Aren't you gonna ask?
Penny: What is this, my first day?

Sheldon: Boy, do I have to urinate.
Leonard: If only there were a solution
to that.
Sheldon: Seriously. I feel like I've got
a fish tank in my pelvis.

Sheldon: ... now you're going to need a stronger friend named latex.
Mrs. Cooper: Are you having the sex talk with me?
Sheldon: Well someone has to.
Mrs. Cooper: Oh, dear Lord!
Sheldon: Yeah, well... No, don't look at him, he's mad at you right now.

TBBT Quotes

Sheldon: Are you still mad about the sperm bank?
Leonard: No!
Sheldon: Do you want to hear an interesting thing about stairs?
Leonard: Not really.
Sheldon: If the height of a single step is off by as little as two millimeters most people will trip.
Leonard: I don't care—two millimeters?! That doesn't seem right.
Sheldon: No, it's true! I did a series of experiments when I was twelve; my father broke his clavicle.

Penny, there's only one cookie with something in the middle that solves life's problems, and that's an Oreo. Or a Nutter Butter, if you're in a pinch.

Sheldon