Chaos theory suggests that
even in a deterministic SYSTEM,
The Big Bang Theory Season 7, Episode 16
Did you say you guys are working on
the guidance SYSTEM tomorrow?
The Big Bang Theory Season 10, Episode 20
...Human Waste Disposal System
as deployed on the Space Station.
The Big Bang Theory Season 2, Episode 22
System locked.
Westworld Season 2, Episode 10
ACCESS TO ALARM SYSTEM
Money Heist Season 1, Episode 1