![And then after pupating
in our nation's railway system...
And then after pupating
in our nation's railway system...](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
And then after pupating
in our nation's railway SYSTEM...
The Big Bang Theory Season 8, Episode 1
![As long as it has a home
theater, a video game system
As long as it has a home
theater, a video game system](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
As long as it has a home
theater, a video game SYSTEM
The Big Bang Theory Season 9, Episode 12
![...Human Waste Disposal System
as deployed on the Space Station.
...Human Waste Disposal System
as deployed on the Space Station.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
...Human Waste Disposal System
as deployed on the Space Station.
The Big Bang Theory Season 2, Episode 22
![You're right. We turn our guidance system
over to them,
You're right. We turn our guidance system
over to them,](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
You're right. We turn our guidance SYSTEM
over to them,
The Big Bang Theory Season 9, Episode 24
![Well, you wouldn't want
your gaming system to overheat.
Well, you wouldn't want
your gaming system to overheat.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Well, you wouldn't want
your gaming SYSTEM to overheat.
The Big Bang Theory Season 7, Episode 19