![Stairwell.
Stairwell.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Stairwell.
The Big Bang Theory Season 3, Episode 2
![Don't look down if you're subject
to vertigo... and use their stairwell.
Don't look down if you're subject
to vertigo... and use their stairwell.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Don't look down if you're subject
to vertigo... and use their STAIRWELL.
The Big Bang Theory Season 1, Episode 14
![The door to the stairwell
of the other building was locked.
The door to the stairwell
of the other building was locked.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
The door to the STAIRWELL
of the other building was locked.
The Big Bang Theory Season 1, Episode 14
![Why are you sitting
in the stairwell?
Why are you sitting
in the stairwell?](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Why are you sitting
in the STAIRWELL?
The Big Bang Theory Season 7, Episode 13