
You know, I know she's UNHAPPY,
but I don't know how to help.
The Big Bang Theory Season 12, Episode 19

Sheldon, you said you were
UNHAPPY getting attention
The Big Bang Theory Season 7, Episode 10

...saying,
"Sheldon UNHAPPY with casting choice."
The Big Bang Theory Season 6, Episode 2

I'm UNHAPPY
that you turned it into a date...
The Big Bang Theory Season 3, Episode 14

Well, I am UNHAPPY.
The Big Bang Theory Season 5, Episode 20