The SYSTEM is down.
Money Heist Season 1, Episode 1
Are you trying to get the guidance SYSTEM
even smaller?
The Big Bang Theory Season 10, Episode 23
We've got a workable guidance SYSTEM.
The Big Bang Theory Season 9, Episode 24
But the limbic SYSTEM of your brain
is calculating...
The Big Bang Theory Season 6, Episode 3
Ours doesn't need an immune SYSTEM
The Big Bang Theory Season 10, Episode 8