Findings:

• Doctor Memory (user)
• Doctor Schwa (user)
• Doctor Who
• Dammit Jim, I'm a doctor not a bricklayer!
• spin doctor
• The Doctor
• doctor
• Doctor Pepper
• Doctor Mirabilis
• witch doctor
• Doctors Without Borders
• Doctor of Theology
• I do not like doctors
• The Good Doctor
• Water doctor
• Doctor Dre
• The Cobbler Turned Doctor
• M-x doctor
• Old Doctor
• Doctor Benway
• Doctor Zhivago
• Ode to Dr Pepper
• Never go to a doctor whose office plants have died
• "Don't die to go to heaven, start in on Doctor Pepper and end up on whiskey!!"
• Doctor Sally
• Doctor Smoke (user)
• Doctor Foster
• I Do Not Like Thee Doctor Fell
• doctor dash (user)
• Doctor Evazan
• Doctors know nothing about drugs
• Doctor Faustus
• Doctor Worm
• Doctor Detroit
• Doctor Cornelius
• Doctor Wu
• Doctor Splat (user)
• Ancient Roman Doctors
• play doctor
• Doctor Fate
• Doctor Strange
• The Doctors
• Doctor V64
• Obviously, Doctor, you've never been a thirteen year-old girl
• Obviously, Doctor, you've never been a Live Nude Lesbian
• The Tragical History of Doctor Faustus
• This guy in the computer lab who looks like he should be a doctor
• RMS vs the Doctor
• script doctor
• Doctor Octopus
• Dr. Slump
• Dear Doctor, I have Read your Play
• The doctors are confident the pills will always win
• Doctor Colossus
• Doctor No
• Doctor Axel Brass
• The Saw Doctors
• Doctor of Business Administration
• Witch Doctor (user)
• Doctor of Pharmacy
• Doctor Dolittle
• Juris doctor
• Royal Flying Doctor Service
• Fremantle Doctor
• Kill Doctor Lucky
• Little known jazz artists
• Doctor Meyers
• Doctor My Eyes
• The Infernal Desire Machines of Doctor Hoffman
• Doctor Fishboy (user)
• conversation between doctors and children
• Doctor Qui
• Doctor Thorne
• Doctor from Lhasa
• Barefoot Doctor
• Doctor Robert
• trust the doctor (user)
• Young Doctors in Love
• Doctor Knowall
• Doctor of the Church
• Spin Doctors
• family doctor
• Doctor O (user)
• The Circus of Doctor Lao
• Leverkühn's Deal With the Devil in Mann's Doctor Faustus
• Doctor jokes
• Doctor Yellow
• Theme from Doctor Pyser
• The Five Doctors
• Doctor Bong
• Doctor Sivana
• I'm not a doctor, but I play one on TV
• Doctor Fugwump (user)
• Doctor Strange (user)
• The Death of Doctor Island
• Doctor Doom
• Doctor Gene (user)
• Posing as a doctor is illegal in all fifty states
• Doctor Doom (user)
• Doctor Brodie's Report
• Doctor in the house
• Doctor Phibes Rises Again
• Bubbles' Trip To See the Doctor
• The Doctor and the Prince of Darkness Meet Again
• The Doctor and the Naked Glory
• Bubbles and the Doctor Seize the Day
• Doctor Who - The New Series
• The Ninth Doctor
• The Doctor Dances
• Doctor Pangloss and his Unpublishable Thoughts
• The lawn was white with doctors
• Doctor Who - The Children in Need Special 2005
• Two Doctors
• The Tenth Doctor
• We're doing very well, doctor. Please open the door?
• Doctor Feelgood
• Doctor Elefant (user)
• The Doctor (user)
• Doctor Patient Privilege
• The Second Life of Doctor Mirage
• doctor wilson (user)
• doctor (user)
• Doctor Fish
• There are no cases like mine, Doctor.
• With the Right Access, Anyone Can Be a Doctor
• Theory of Woman Doctors
• Aircon doctor (user)
• Doctor Uncle (user)
• Doctor DeSoto
• Doctor Manhattan
• Doctor Lefty (user)
• Doctor Who Stories (category)
• Christian Scientists aren't real scientists the same way Dr. Mario isn't a real doctor
• The introverted thinker decides about the Mad as Hell Doctors
• What I learned from my first Mad as Hell Doctors week
• Most people in the world die young; who cares if it includes doctors?
• Fuzzy Poet Doctor
• Fuzzy Poet Doctor strikes again
• Fuzzy Poet Doctor and the fates
• Fuzzy Poet Doctor and Faith
• Doctor Mindbender
• Doctor Who (category)
• Doctor Schlock (user)
• The Crying Doctor
• Mad as Hell Doctors in California: October 5
• Mad as Hell Doctors: October 6
• Medical Doctor
• Is there a witch doctor in the house?
• The Doctor is the Nameless One from Planescape: Torment
• Doctor Korgon's Robotic Opus
• Doctor Korgon's imperfect clone
• Young Doctor Korgon's penisoid army
• The 11th Doctor
• The Doctor's Wife
• The Fourth Doctor
• The Doctor's Daughter
• Sarah visits the doctor
• Clockheart, the bridge's doctor
• The Eleventh Doctor

If you Log in you could create a "Doctor Knock" node. If you don't already have an account, you can register here.