My uncle is his DERMATOLOGIST,
and Stan's doing him a favor.
The Big Bang Theory Season 3, Episode 16
That's what my DERMATOLOGIST said.
The Big Bang Theory Season 10, Episode 22
a DERMATOLOGIST, a urologist.
You'd think I'd have a vet.
The Big Bang Theory Season 7, Episode 15
An appearance
by George Lucas's DERMATOLOGIST.
The Big Bang Theory Season 10, Episode 6
Oh, yes, you're
the DERMATOLOGIST.
The Big Bang Theory Season 7, Episode 23