K-PAX Doctor — Doctor — Doctor — Doctor. Tell me how many doctors are there on this planet?

Eyes Wide Shut Bill: You know what they say, once a doctor always a doctor.
Nick: Yes, or in my case, never a doctor, never a doctor.

Chuck Zamir: Are you his doctor?
Chuck: Of course. Am I not wearing a doctor's coat? Who else would I be if not one of this man's doctors?
Zamir: Doctor, I am Harry Lime's private physician, Dr. Muhammad Zamir.
[they shake hands]
Chuck: Doctor.
Zamir: Doctor.
Chuck: Doctor.
Zamir: Doctor.
Chuck: And, doctor.
Zamir: Nurse, would you excuse us for a moment, please? I would like to consult the doctor privately, please.
Chuck: Yes, yes, we will be discussing doctor things that only doctors understand, please go. [whispers to Alex] Please don't go.
Alex: I'll be right outside... doctor.

Jonathan Swift The best doctors in the world are Doctor Diet, Doctor Quiet, and Doctor Merryman.

WKRP in Cincinnati Johnny: The Doctor is not feelin' too good today. The Doctor was a bad boy last night. The Doctor overmedicated!

Scrubs Dr. Cox: Barbie why did you order this test? For the love of God, are you a real doctor or a doctor like Dr. Pepper is a doctor? Hmmm?

Stargate SG-1 Dr. Michaels: Hi. It's nice to finally meet you, Major.
Maj. Carter: You too. Dr. Michaels, this is Dr. Fraiser.
Dr. Michaels: Doctor.
Dr. Fraiser: Doctor.
Dr. Michaels: [also introducing] Uh…Drs. Woods and Osbourne.
Dr. Fraiser: Doctor.
Dr. Woods: Doctor.
Dr. Osbourne: Major.
Maj. Carter: Doctor.
Woods: Major.
Dr. Fraiser: Doctor.
Col. O'Neill: All right. That's enough.

Snatch [After Rosebud has been badly injured in capturing Boris] First we get the stone, bubi, then we'll get you to a doctor. And not just any doctor, boychik, I'm gonna get you to a nice Jewish doctor. [To Tony] Find my friend a nice Jewish doctor!

Mystery Science Theater 3000 [Ryder and Lea are arguing about his effort to save someone from the burning shuttlecraft]
Ryder: Listen, lady!
Lea: Doctor!
Ryder: Doctor.
Crow: Doctor Lady!

Chinese proverbs The superior doctor prevents sickness; The mediocre doctor attends to impending sickness; The inferior doctor treats actual sickness;