Remember people we're only as strong as our weakest bladder.

Leonard: What are bus pants?
Sheldon: They are pants one wears over ones regular pants when one sits on bus seats others have previously sat on.

I won't say that all senior citizens who can't master technology should be publicly flogged, but if we made an example of one or two, it might give the others incentive to try harder.

Obviously, we're no longer a Justice League. We have no choice but to switch to our Muppet Baby costumes.

Leonard: It's what we do. We give each other a hard time. Hey, Sheldon, you look like a praying mantis.
Sheldon: That was very hurtful.

I was thinking specifically of the gentleman over there, moving his lips as he enjoys the latest exploits of Betty and Veronica.

Amy Farrah Fowler doesn't believe in wearing costumes. She isn't the free spirit I am.

We're the Justice League of America. There's only one thing we can do - turn around and slowly walk away.

Zack: Where do they keep the Archie comics?
Sheldon: In the bedrooms of ten year old girls were they belong.

Zack: I haven't been to a comic book store in literally a million years.
Sheldon: Literally? Literally a million years?

Zack: I see, you were inferring that i'm stupid.
Sheldon: That's not correct. We were implying it... you then inferred it.

Was the starfish wearing boxer shorts? Because I'm pretty sure you were watching Nickelodeon.

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?