![This is Dr. Rajesh Koothrappali
from the Astrophysics Department.
This is Dr. Rajesh Koothrappali
from the Astrophysics Department.](https://content2.mcqstudy.com/ss/tbbt-6-20-00:08:44.210.jpeg)
This is Dr. Rajesh Koothrappali
from the Astrophysics Department.
The Big Bang Theory Season 6, Episode 20
![I have a doctorate in astrophysics
and I'm every bit as awesome
I have a doctorate in astrophysics
and I'm every bit as awesome](https://content2.mcqstudy.com/ss/tbbt-10-11-00:15:55.872.jpeg)
I have a doctorate in ASTROPHYSICS
and I'm every bit as awesome
The Big Bang Theory Season 10, Episode 11
![Not just for theoretical physics,
but for astrophysics.
Not just for theoretical physics,
but for astrophysics.](https://content2.mcqstudy.com/ss/tbbt-8-6-00:00:54.726.jpeg)
Not just for theoretical physics,
but for ASTROPHYSICS.
The Big Bang Theory Season 8, Episode 6
![I have a PhD in astrophysics.
I have a PhD in astrophysics.](https://content2.mcqstudy.com/ss/tbbt-10-18-00:16:50.927.jpeg)
I have a PhD in ASTROPHYSICS.
The Big Bang Theory Season 10, Episode 18