![Penny, we're in the red zone.
Penny, we're in the red zone.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Penny, we're in the red ZONE.
The Big Bang Theory Season 6, Episode 24
![Yeah, Department of Energy said
our regular space is kind of a hot zone.
Yeah, Department of Energy said
our regular space is kind of a hot zone.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Yeah, Department of Energy said
our regular space is kind of a hot ZONE.
The Big Bang Theory Season 1, Episode 5
![No, no, no, no.
The zone zone is a safe zone.
No, no, no, no.
The zone zone is a safe zone.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
No, no, no, no.
The ZONE ZONE is a safe ZONE.
The Big Bang Theory Season 12, Episode 14
![Stop saying Stop saying](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Stop saying "ZONE ZONE"!
The Big Bang Theory Season 12, Episode 14
![l know that this kind of thing
is outside your comfort zone--
l know that this kind of thing
is outside your comfort zone--](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
l know that this kind of thing
is outside your comfort ZONE--
Breaking Bad Season 4, Episode 8