So now let's bring out THEORETICAL physicist,
Dr. Sheldon Cooper!
The Big Bang Theory Season 6, Episode 18
What would a THEORETICAL physicist
understand about an experiment anyway?
The Big Bang Theory Season 10, Episode 4
She thought if I failed at THEORETICAL physics
that I should have a trade to fall back on.
The Big Bang Theory Season 2, Episode 10
Now to tell you about
the Theoretical Physics Department...
The Big Bang Theory Season 2, Episode 6
as a THEORETICAL
physicist,
The Big Bang Theory Season 7, Episode 20