I mean, they're highly-trained educators
with BACKGROUND checks.
The Big Bang Theory Season 10, Episode 21
- What happened?
- The BACKGROUND interviews didn't go well.
The Big Bang Theory Season 4, Episode 7
...freeing my prefrontal cortex
to work quietly in the BACKGROUND.
The Big Bang Theory Season 3, Episode 14
And the absence of BACKGROUND noise may
mean they weren't calling from the street.
Money Heist Season 3, Episode 4
AARON PAUL: You're working with
300 BACKGROUND players,
Westworld Season 3, Episode 8