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

Uh, we have proof that you
plagiarized your THESIS.
The Big Bang Theory Season 12, Episode 21

was googling,
"Where can I buy a THESIS?"
The Big Bang Theory Season 12, Episode 21

The THESIS committee accepted
my doctoral dissertation.
The Big Bang Theory Season 4, Episode 24

Your THESIS that the Higgs boson
is a black hole
The Big Bang Theory Season 5, Episode 21