Raj: You always do this, you know. You ditch me for a woman you have no shot with
Wolowitz: I totally had a shot
Raj: With a woman you were chasing through a park? That's not a shot, that's a felony

Wolowitz: I would have caught up to her if I didn't pull my hammy
Raj: Oh please, you weigh 80 pounds, you don't have a hammy

Leonard just realized that Penny's been hiding him from her friends because he's a tiny little man who flies kites

Raj

Wolowitz: Do you like role playing games?
Bernadette: Like in the bedroom or dungeons and dragons?
Wolowitz: Either?
Bernadette: No

Sheldon: I came here to defeat Wil Wheaton: the man who destroyed my dreams, but I can't destroy Wil Wheaton: the man who loved his mee-maw

Wolowitz: Listen, you have to come to Shabbas dinner at my house sometime.
Bernadette: Why?
Wolowitz: A Catholic girl like you, wearing big cross like that, might just give my mother that big brain aneurysm I've been hoping for.
Bernadette: Only if you come to Sunday dinner at my house wearing a yamaka
Wolowitz: It's a date

Bernadette: Does your mother call you every day at work to see if you've had a healthy lunch?
Wolowitz: My mother calls me every day to see if I've had a healthy bowel movement

Wil [about Sheldon]: Did that guy just say, "revenge is a dish best served cold" in Klingon?
Stuart: I believe so
Wil: What is wrong with him?
Stuart: Everyone has a different theory

Sorry boys, say "hi" to your mother when she comes to pick you up... or I could just tell her later tonight!

Raj

It might also interest you to know that Wil Wheaton currently ranks sixth on my all-time enemies list, right between director Joel Schumacher, who nearly destroyed the Batman movie franchise, and Billy Sparks, who lived down the street from me and put dog poop on the handles of my bicycle

Sheldon

Leonard: You know deep down on the inside, Howard's a good guy
Penny: The problem isn't what's on the inside, it's the creepy candy coating

Raj: Did you know, in the Mumbai-McDonald's you can't get a Big Mac? All you can get is a Chicken Maharajah Mac. And the special sauce: Curry. Which, in India, believe you me, is really not that special

The Big Bang Theory Season 3 Quotes

Wolowitz: Sheldon. You remember the first few weeks; we were looking for magnetic monopoles and not finding anything, and you were acting like an obnoxious, giant dictator?
Raj: I thought we were going to be gentle with him.
Wolowitz: That's why I added the "tator"

Wolowitz [after seeing Penny jump Leonard]: Damnit, I should have gone over and said we were back
Raj: Yeah, it was "first come, first serve."