
Sheldon,
I have a Master's DEGREE in engineering.
The Big Bang Theory Season 8, Episode 22

Here's a picture of me receiving
my Bachelor of Science DEGREE.
The Big Bang Theory Season 8, Episode 23

I'm a grown man
with a Master's DEGREE in Engineering!
The Big Bang Theory Season 2, Episode 12

Sheldon tells me
you only have a Master's DEGREE.
The Big Bang Theory Season 4, Episode 3

- I have a master's DEGREE.
- Who doesn't?
The Big Bang Theory Season 2, Episode 4