
While I have no respect for Leslie as a
SCIENTIST or a human being for that matter...
The Big Bang Theory Season 2, Episode 3

See, I'm not a SCIENTIST like them. Heh.
The Big Bang Theory Season 6, Episode 22

You're a SCIENTIST who went to college
and you don't have a neck tattoo...
The Big Bang Theory Season 4, Episode 9

You're a brain SCIENTIST.
The Big Bang Theory Season 5, Episode 3

While you're bothering
the world's most famous SCIENTIST,
The Big Bang Theory Season 10, Episode 9