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

enthusiastic participation
from me REGARDING my discovery.
The Big Bang Theory Season 7, Episode 10

...REGARDING the check-engine light
to be very troubling.
The Big Bang Theory Season 2, Episode 5

Do you have any ethical qualms
REGARDING human experimentation?
The Big Bang Theory Season 4, Episode 20

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