
We'd have
the same cultural BACKGROUND...
The Big Bang Theory Season 1, Episode 2

They're just doing
a BACKGROUND check on me.
The Big Bang Theory Season 4, Episode 7

I mean, they're highly-trained educators
with BACKGROUND checks.
The Big Bang Theory Season 10, Episode 21

What's your educational BACKGROUND?
The Big Bang Theory Season 6, Episode 2

Well, I did a comprehensive
BACKGROUND check.
The Big Bang Theory Season 6, Episode 3