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

Sheldon

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.

Sheldon

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

Sheldon

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

Sheldon

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.

Sheldon

The Big Bang Theory Season 4 Episode 11 Quotes

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.

Sheldon