My uncle is his DERMATOLOGIST,
and Stan's doing him a favor.
The Big Bang Theory Season 3, Episode 16
Are you still dating that DERMATOLOGIST?
The Big Bang Theory Season 8, Episode 22
An appearance
by George Lucas's DERMATOLOGIST.
The Big Bang Theory Season 10, Episode 6
a DERMATOLOGIST, a urologist.
You'd think I'd have a vet.
The Big Bang Theory Season 7, Episode 15
Oh, yes, you're
the DERMATOLOGIST.
The Big Bang Theory Season 7, Episode 23