
...and maybe once a week,
run a VACUUM through this place.
The Big Bang Theory Season 4, Episode 3

Unlike objects falling in a VACUUM,
which...?
The Big Bang Theory Season 3, Episode 10

He's working on a paper
about nano VACUUM tubes,
The Big Bang Theory Season 7, Episode 7

...of the quantum VACUUM has little
effect on the expansion of the universe.
The Big Bang Theory Season 4, Episode 7

...due to quantum VACUUM fluctuation?"
The Big Bang Theory Season 1, Episode 13