
So now let's bring out THEORETICAL physicist,
Dr. Sheldon Cooper!
The Big Bang Theory Season 6, Episode 18

Senior THEORETICAL particle physicist
at CaITech, focusing on M Theory.
The Big Bang Theory Season 3, Episode 14

Is it maybe because, like Sheldon's work,
your sex life is also THEORETICAL?
The Big Bang Theory Season 6, Episode 9

I am a published THEORETICAL physicist
with two doctorates...
The Big Bang Theory Season 2, Episode 2

Not just for THEORETICAL physics,
but for astrophysics.
The Big Bang Theory Season 8, Episode 6