
- Uh-oh, he's stuck in an infinite LOOP.
- I can fix it.
The Big Bang Theory Season 2, Episode 13

What about LOOP quantum gravity?
The Big Bang Theory Season 7, Episode 20

...who believes LOOP quantum gravity
better unites quantum mechanics...
The Big Bang Theory Season 2, Episode 2

A LOOP counter and an escape
to the least objectionable activity.
The Big Bang Theory Season 2, Episode 13

Loop quantum gravity
is the future of physics.
The Big Bang Theory Season 2, Episode 2