
cosmic BACKGROUND radiation
from the singularity.
The Big Bang Theory Season 12, Episode 13

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

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

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

Yeah, but ours can recognize a specific
data stream among BACKGROUND noise.
The Big Bang Theory Season 10, Episode 8