Well, I did a comprehensive
BACKGROUND check.
The Big Bang Theory Season 6, Episode 3
I mean, they're highly-trained educators
with BACKGROUND checks.
The Big Bang Theory Season 10, Episode 21
to do a BACKGROUND
check on her.
The Big Bang Theory Season 12, Episode 4
AARON PAUL: You're working with
300 BACKGROUND players,
Westworld Season 3, Episode 8
cosmic BACKGROUND radiation
from the singularity.
The Big Bang Theory Season 12, Episode 13