Not just for THEORETICAL physics,
but for astrophysics.
The Big Bang Theory Season 8, Episode 6
Maybe we can find
another THEORETICAL physicist to help us.
The Big Bang Theory Season 10, Episode 15
...THEORETICAL physics is... What's the word
I'm looking for? Hmm, cute.
The Big Bang Theory Season 4, Episode 3
Is it maybe because, like Sheldon's work,
your sex life is also THEORETICAL?
The Big Bang Theory Season 6, Episode 9
Theoretical physicists do not get canned.
The Big Bang Theory Season 1, Episode 4