It's a rough month when Halloween and PMS hit at the same time.

Oh, they don't always get to ride the roller coaster. Sometimes they only get to spin the teacups.

Penny: Wil Wheaton is Sheldon's mortal enemy.
Amy: Mortal enemy?
Penny: Mm-hmm.
Amy: Sheldon, I know you are a bit of a left-handed monkey wrench but... you really have a mortal enemy?
Sheldon: In fact, I have 61 of them.

Sheldon: The Koothrappalis aren't just rich, they're Richie Rich rich.
Penny: How much is that?
Sheldon: About halfway between Bruce Wayne and Scrooge McDuck.

Okay, so future grief-stricken widow is the one to beat.

I feel like two totally different people. Dr. Jekyyl and Mrs. Whore.

Raj: To quote Shakespeare, "It is better to have loved and lost than to stay home every night and download increasingly shameful pornography."
Penny: Oh, you poor baby!
Raj: What's wrong with me, Penny?
Penny: Nothing! Nothing. You know, if we weren't friends - and you hadn't brought up that creepy pornography story - I'd be on you like the speed of light squared on matter to make energy.

Raj: Well, to paraphrase Shakespeare: It's better to have loved and lost than to stay home every night and download increasingly shameful pornography.
Penny: Oh... you poor baby.
Raj: What's wrong with me, Penny?
Penny: Nothing, nothing. You know, if we weren't friends - and you hadn't brought up that creepy pornography story - I'd be on you like the speed of light squared on matter to make energy.
Raj: Hey, you totally got that right. E = MC squared.
Penny: I listen. I have no idea what it means, but I listen.

Penny: Oh, okay, look. THIS. NEVER. HAPPENED. Do you understand me?
Raj: (nodding)
Penny: Really?! Still can't talk to me?!

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.

Bernadette: The thesis committee accepted my doctoral dissertation. I'm getting my Ph.D!!
(the other congratulate her)
Penny: Wow! So that means that....(points around the table to all the Ph.D's) You're a doctor, you're a doctor, you're a doctor, YOU'RE a doctor, and Howard....you know a lot of doctors!!

TBBT Quotes

I just gave you my virginity, woman. Cool your jets!

Sheldon

(Singing) Thor and Dr Jones, Thor and Dr. Jones. One plays with lightening, the other plays with bones.

Howard and Raj