My uncle is his DERMATOLOGIST,
and Stan's doing him a favor.
The Big Bang Theory Season 3, Episode 16
Um, all right,
uh, DERMATOLOGIST.
The Big Bang Theory Season 5, Episode 15
That's what my DERMATOLOGIST said.
The Big Bang Theory Season 10, Episode 22
Oh, yes, you're
the DERMATOLOGIST.
The Big Bang Theory Season 7, Episode 23
Are you still dating that DERMATOLOGIST?
The Big Bang Theory Season 8, Episode 22