
You mean when we were all SAD,
desperate and horribly alone?
The Big Bang Theory Season 12, Episode 15

Sad face, SAD face.
The Big Bang Theory Season 11, Episode 8

Oh, you make me laugh,
SAD clown.
The Big Bang Theory Season 7, Episode 2

Oh, that's SAD.
It is.
The Big Bang Theory Season 7, Episode 19

You made God SAD today, Mom.
The Big Bang Theory Season 10, Episode 1