
"A Rederivation of Maxwell's Equations
Regarding Electromagnetism."
The Big Bang Theory Season 6, Episode 3

...REGARDING polymer degradation
phenomenon...
The Big Bang Theory Season 3, Episode 14

...REGARDING prolonged physical proximity
to Amy Farrah Fowler.
The Big Bang Theory Season 4, Episode 5

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

...I'm relying on your expertise
REGARDING duration.
The Big Bang Theory Season 3, Episode 15