Now to tell you about
the Theoretical Physics Department...
The Big Bang Theory Season 2, Episode 6
...to succeed in THEORETICAL physics.
The Big Bang Theory Season 2, Episode 6
- Well, yeah.
- I'm a THEORETICAL physicist.
The Big Bang Theory Season 1, Episode 15
...I would've become a THEORETICAL physicist.
The Big Bang Theory Season 8, Episode 7
I am a published THEORETICAL physicist
with two doctorates...
The Big Bang Theory Season 2, Episode 2