Leonard: We enter the dungeon.
Sheldon: You see a dragon.

[Sheldon karate chops Leonard in the shoulder]
Leonard: Ow! Why did you do that?
Sheldon: To send a message: she's not for you!
Leonard: What?
Sheldon: Not for you!

The tinier the train the more concentrated the fun.

I've seen pictures of your mother. Keep eating.

Sheldon: Name your price.
Amy: Kiss me where I've never been kissed before.
Sheldon: You mean like Salt Lake City?
Amy: Nevermind.

I miss the old days when your romantic partners could be returned to the video store.

Amy: Have you considered massage?
Sheldon: I'd like to respond to that sarcastically: Yes, I relish the thought of a stranger covering my body with oil and rubbing it.
Amy: I was proposing you massage your muscles with your OWN hands.
Sheldon: (aback) Still sounds like a lot of unnecessary touching...

Sheldon: Here's an interesting fact about alcohol ... Man is not the only species that ferments fruit in order to become intoxicated. Can you guess what the other is? Hint: sometimes they pack the alcohol in their trunks.
Penny: Monkeys
Sheldon: When does a monkey have a trunk?
Penny: When a suitcase just won't do
Much later - Sheldon: And the answer was elephant.

Penny: Hey, Sheldon, did you change your Wi-Fi password again?
Sheldon: Yes, it's "Penny, get your own Wi-Fi." No spaces.

Amy: Although it is ... microbiology.
Sheldon: Your doctorate is in neurobiology. I fail to see the distinction.
Amy: I'll make it simple for you. I study the brain, the organ responsible for Beethoven's Fifth Symphony. Bernadette studies yeast, the organism responsible for Michelob Lite.

Howard: You gotta like this. The girlfriend, the ex-girlfriend bonding over your rooty-tooty stinky booty.
Leonard: Kill me.
Sheldon: It wouldn't help. The human body is capable of being flatulent for hours after death.

Howard: You gotta like this: the girlfriend.....the ex-girlfriend, bonding over your rooty-tooty stinky booty?
(all but Leonard laugh)
Leonard: Kill me!
Sheldon: It wouldn't help. The human body is capable of being flatulent for hours after death.

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?