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

- What happened?
- The BACKGROUND interviews didn't go well.
The Big Bang Theory Season 4, Episode 7

to do a BACKGROUND
check on her.
The Big Bang Theory Season 12, Episode 4

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

...freeing my prefrontal cortex
to work quietly in the BACKGROUND.
The Big Bang Theory Season 3, Episode 14