and you've been working
on string THEORY
The Big Bang Theory Season 7, Episode 20
Unified field THEORY,
cold fusion, the dogapus.
The Big Bang Theory Season 4, Episode 2
confirmed your THEORY.
The Big Bang Theory Season 12, Episode 13
Currently, you're being paid under a grant
to specifically research string THEORY.
The Big Bang Theory Season 8, Episode 2
Previously on
The Big Bang Theory...
The Big Bang Theory Season 7, Episode 10