
We took quite a detour
from what I understand to be your THESIS.
The Big Bang Theory Season 1, Episode 15

Jean Buridan proposed
a philosophical THESIS stating
The Big Bang Theory Season 10, Episode 7

I had to write a THESIS, and
I wasn't smart enough to do it.
The Big Bang Theory Season 12, Episode 21

I'm not surprised. I heard the
only work he did on his THESIS
The Big Bang Theory Season 12, Episode 21

Before that,
I spent four years working on my THESIS.
The Big Bang Theory Season 1, Episode 4