
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

Are you still dating that DERMATOLOGIST?
The Big Bang Theory Season 8, Episode 22

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