
The idea that you might be able
to incorporate GRAVITY...
The Big Bang Theory Season 2, Episode 6

What about loop quantum GRAVITY?
The Big Bang Theory Season 7, Episode 20

...as A and we get force...
Earth GRAVITY.
The Big Bang Theory Season 3, Episode 10

The lack of GRAVITY did decompress my
spine, so I'm, like, an inch-and-a-half taller.
The Big Bang Theory Season 6, Episode 4

Ah, GRAVITY--
thou art a heartless bitch.
The Big Bang Theory Season 12, Episode 24