We haven't discussed whether
we're GIRLFRIEND and boyfriend yet.
The Big Bang Theory Season 6, Episode 24
Let me give you
a little GIRLFRIEND 101.
The Big Bang Theory Season 5, Episode 19
My GIRLFRIEND is not gonna give you
a prostate exam.
The Big Bang Theory Season 2, Episode 10
because I've decided
to be physical with my GIRLFRIEND,
The Big Bang Theory Season 9, Episode 11
I have to break up
with my GIRLFRIEND.
The Big Bang Theory Season 7, Episode 16