
get a DOCTORATE.
The Big Bang Theory Season 5, Episode 21

Bernadette got her DOCTORATE.
The Big Bang Theory Season 10, Episode 11

I have a DOCTORATE in astrophysics
and I'm every bit as awesome
The Big Bang Theory Season 10, Episode 11

You've heard him tease me
about not having a DOCTORATE.
The Big Bang Theory Season 5, Episode 21

Is it any wonder
he doesn't have a DOCTORATE?
The Big Bang Theory Season 4, Episode 18