It's startling you haven't considered
a Lorentz invariant or field THEORY approach.
The Big Bang Theory Season 1, Episode 12
Well, just because
our THEORY was wrong,
The Big Bang Theory Season 12, Episode 10
I've devoted the prime
of my life to string THEORY
The Big Bang Theory Season 7, Episode 20
The THEORY is that
if you really tax your brain,
The Big Bang Theory Season 10, Episode 22