"A Rederivation of Maxwell's Equations
Regarding Electromagnetism."
The Big Bang Theory Season 6, Episode 3
...REGARDING my problem here at home.
You kissed me...
The Big Bang Theory Season 4, 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
...REGARDING you and Leonard
crossed some sort of line.
The Big Bang Theory Season 2, Episode 9