I'm a SCIENTIST.
The Big Bang Theory Season 4, Episode 22
As a SCIENTIST, I reach conclusions
based on observation and experimentation.
The Big Bang Theory Season 1, Episode 10
- I'm not a SCIENTIST, so...
Penny...
The Big Bang Theory Season 2, Episode 13
I'm a SCIENTIST.
I never apologize for the truth.
The Big Bang Theory Season 3, Episode 16
...which SCIENTIST both helped
to develop calculus...
The Big Bang Theory Season 8, Episode 2