![Well, I did a comprehensive
background check.
Well, I did a comprehensive
background check.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Well, I did a comprehensive
BACKGROUND check.
The Big Bang Theory Season 6, Episode 3
![to do a background
check on her.
to do a background
check on her.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
to do a BACKGROUND
check on her.
The Big Bang Theory Season 12, Episode 4
![...freeing my prefrontal cortex
to work quietly in the background.
...freeing my prefrontal cortex
to work quietly in the background.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
...freeing my prefrontal cortex
to work quietly in the BACKGROUND.
The Big Bang Theory Season 3, Episode 14
![cosmic background radiation
from the singularity.
cosmic background radiation
from the singularity.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
cosmic BACKGROUND radiation
from the singularity.
The Big Bang Theory Season 12, Episode 13
![AARON PAUL: You're working with
300 background players,
AARON PAUL: You're working with
300 background players,](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
AARON PAUL: You're working with
300 BACKGROUND players,
Westworld Season 3, Episode 8