
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