![There's no difference between
my eyes being open or closed.
There's no difference between
my eyes being open or closed.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
There's no difference between
my eyes being open or CLOSED.
The Big Bang Theory Season 12, Episode 19
![You don't know
what goes on behind closed doors.
You don't know
what goes on behind closed doors.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
You don't know
what goes on behind CLOSED doors.
The Big Bang Theory Season 10, Episode 23
![It's closed.
It's closed.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
It's CLOSED.
The Big Bang Theory Season 4, Episode 7
![But I can't watch the closed
captioning without crying.
But I can't watch the closed
captioning without crying.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
But I can't watch the CLOSED
captioning without crying.
The Big Bang Theory Season 5, Episode 4
![They sucker-punch you
when your eyes are closed.
They sucker-punch you
when your eyes are closed.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
They sucker-punch you
when your eyes are CLOSED.
The Big Bang Theory Season 2, Episode 12