Mother, she's an atheist, not a vampire.

Sheldon

Penny: And when I dropped her off at the hotel, she even gave me a hug.
Leonard: Did she think you were choking, or...?

I'm still human, Penny. Not getting invited to my own son's wedding is difficult to ignore.

Beverly

Sticks and stones may break my bones, but sticks on chairs are comfy.

Raj

You know the golden rule of line etiquette. No cuts, no butts, no coconuts.

Sheldon

Atom of Hydrogen, Adam of Maroon 5. Mic drop.

Leonard

That offer is only good until the third trimester. I can't risk getting amniotic fluid on my spot.

Sheldon

Sheldon. Oh come on. Roller coasters, caffeine, runny eggs. I've been avoiding these things all my life, and now because you're pregnant, you have to.

Wine again? No, thank you. I like my grapes the old fashioned way. In a juice box.

Sheldon

Raj: I do enjoy the complexity of an aged pinot noir.
Leonard: I'm sure that would pair nicely with your fine nuggets of chicken.

If Sheldon's testosterone dipped, he'd become a butterfly.

Leonard

If it's a boy, I'm gonna have to teach him to play catch. Which means I'm going to have to Google how to play catch.

Howard

TBBT Quotes

Oh, Bernadette, please play my clarinet.

Raj's poem

Sheldon: I'll have a diet Coke.
Penny: Can you please order a cocktail? I need to practice mixing drinks.
Sheldon: Fine... I'll have a virgin Cuba Libre.
Penny: That's... rum and Coke without the rum.
Sheldon: Yes, and would you make it diet?