What would a THEORETICAL physicist
understand about an experiment anyway?
The Big Bang Theory Season 10, Episode 4
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
Maybe we can find
another THEORETICAL physicist to help us.
The Big Bang Theory Season 10, Episode 15
Not just for THEORETICAL physics,
but for astrophysics.
The Big Bang Theory Season 8, Episode 6