
- Regarding what?
- Amy.
The Big Bang Theory Season 4, Episode 3

And REGARDING your gift, you said,
"Surprise me," and boy, did I. (CHUCKLES)
The Big Bang Theory Season 10, Episode 18

"REGARDING your quantum guidance system,
provisional patent 62/295118."
The Big Bang Theory Season 9, Episode 24

We have made a horrible mistake
REGARDING Alphas.
The Big Bang Theory Season 6, Episode 21

...REGARDING my problem here at home.
You kissed me...
The Big Bang Theory Season 4, Episode 21