House's first differential: illnesses over patients, zebras over horses
House argues doctors treat illnesses, not people, waves off talking to the patient, and leads the team through stroke, mad cow and Wernicke's.

Every House moment featuring Allison Cameron, in story order. Played by Jennifer Morrison.
130 moments · 3h 26m
House argues doctors treat illnesses, not people, waves off talking to the patient, and leads the team through stroke, mad cow and Wernicke's.
A suspected reaction to the contrast dye closes Rebecca's airway mid-scan, and the team has to cut an emergency airway to save her.
With Rebecca's symptoms spreading toward the brain stem, House proposes stopping all treatment to read the disease from its speed. The team is appalled.
Snacking during the break-in, Foreman resents being hired for his record, and asks Cameron how she got the job with weaker grades.
A detail from the break-in proves the patient isn't Wilson's cousin and points House to a pork tapeworm in her brain, which he explains with relish.
Asked why he hired her, House explains his picks, compares her to lobby art, and probes what damage drove a beautiful woman to medicine.
House tries to clock out and spots a fake signature from his own office; the case of a 16-year-old with night terrors makes him stay.
An animal-naming test, a blunt abuse question, a glasses theory, and finally a leg twitch that tells House the boy isn't sleeping at all.
During the differential House claims the family history is wrong, puts money on paternity, needles Foreman into raising the stakes, and orders a sleep study.
Asked what the clean MRI shows, Chase guesses meningitis to impress; House calls it out and points to a subtle arch nobody else sees.
The spinal fluid suggests multiple sclerosis; House waves off the six-month rule and goes home, leaving the team to explain the outlook to Dan.
The team searches the hospital; House runs into a dressed-up Cuddy, then shrugs off the search and leaves a tip about the roof.
The roof episode rules out MS; House rates teen sex odds, polls the team on his sanity and gets the shunt answer he wanted.
A calm check-in turns frightening as Dan begins hearing a voice telling him he's dying.
With penicillin failing, House runs the team through a mnemonic he mocks for its spelling, then orders listening equipment for a talking brain.
Dan names more animals than before, then explains how his cleft chin told him the truth back in fifth grade.
House grills his team on why they care about this patient, then mocks a differential where nothing fits every symptom.
The treatment is wrecking Brandon's kidneys. Chase offers a one-in-ten-million fit; House recolors the board and does the odds for two diseases.
One doctor calls them House's puppets and heads to the lab; there Foreman and Chase spar over whether Cameron is weird or hot.
House lectures Cameron on her effect on men, catches the team trying to disprove him, and explains why taunting keeps doctors working.
Chase admits sex talk makes him uneasy and gets a vivid physiology lesson in return, and Foreman arrives with bad blood counts.
After a long silent think, House explains how a gout medicine handed out by mistake explains every symptom, then hits a timeline snag.
Recovering Brandon and Mindy plan the guest list, until he notices his new pills look different from the old ones.
With four infants failing, House reads why Cuddy needs a swab team, then the team narrows a resistant hospital germ.
Cameron answers with numbers instead of the truth, then is told what parents actually need to hear and why watching is worse than dying.
The antibiotics are killing the babies' kidneys; while the team argues which to drop, House decides to treat the two infants differently.
The Hartigs hear their daughter may not survive; Cameron reassures the other family, and a colleague challenges her over false hope.
The failed drug points to vancomycin; House assigns Cameron the death talk, and when she freezes he accuses Chase of bailing her out.
Heart tissue says virus. With little blood to spare, the team crosses out families of viruses and House adds a healthy baby as a control.
Three viruses show up in the sick babies and two in the healthy one; House realizes mothers' antibodies decide who survives.
House reads Cameron's awkwardness around dying patients and presses on who she lost, until she calls him what he is.
The team settles on Churg-Strauss vasculitis, a gift of Christmas candy canes gets mocked, and House shuts down any suggestion he made a mistake.
After meeting the nuns, one doctor blames House's syringe, another defends him, and Chase sums up what either outcome means for the team.
Foreman and Chase argue faith over the scan, then Sister Augustine smells something that isn't there, cries out about Jesus and starts to seize.
Accused again of the wrong dose, House counts down to a sarcastic 'admission', then pivots to mixed connective tissue disease and a hyperbaric chamber.
As Augustine declines, House arrives with the monastery's herbal tea and shows how it plus a normal epinephrine dose stopped her heart.
The team mocks his interest in a schizophrenic's leg clot; House answers with ancient cures and a roll call of brilliant madmen.
House turns his bedside chat into a lab order, Cameron meets a prickly Luke, and she quietly wishes House a happy birthday he never announced.
Vitamin K deficiency, an antibiotic interaction or alcohol: House pits his team's ideas against each other and sends them to find out.
With a key taken from Luke's backpack the team searches the flat, finds untouched antibiotics and the only food Lucy eats, and concedes House was right.
The team lands on a rare copper disorder, House questions their hope, and a forgotten eye appointment leads to copper rings in Lucy's eyes.
Handed a woman who sleeps 18 hours a day, House questions the referrer's motives and mocks each theory, ending with a fairy-tale diagnosis.
Elyse tells how Ed threw her towels out a window the night they met, then panics that something is crawling on her arm and has to be sedated.
Infections are ruled out one by one until the team is left with an African parasite or an inhaled bacterium, and House praises Foreman.
Running the tests, Foreman wonders why House singles him out, and his colleagues offer a theory before weighing two risky treatments.
House cites an obscure Portuguese case of sleeping sickness passed by sex, assigns the cheating questions, then is caught having read a doctor's file.
At Elyse's bedside, Ed admits that if the treatment works it proves she betrayed him, and asks a doctor whether that makes him terrible.
House finds a colleague in tears in the lab; she shares how she married and lost her college love, and House deduces what she knew going in.
Foreman theorizes about why House sees addicts everywhere, gets teased for sounding just like him, and they find a suspicious jar of homemade sauce.
With a new pesticide suspect, House sends Cameron to persuade Margo, who sees through the approach and puts the decision back on her.
Matt seizes as his mother screams at the doctors; then House works out the boys were poisoned at home and quizzes the team on teen morning habits.
The team compares the two families' toiletries product by product until a jug of the same detergent turns up in both homes.
Foreman wants to stick to pneumonia; House mocks him and the team floats treatable alternatives to A.L.S.
Foreman and Cameron argue it was the patient's decision; House says he'd do it again and the debate is pointless.
House mistakes the process server for a stripper, then has the patient moved above the clinic to dodge clinic duty.
A newly paralysed arm seems to prove A.L.S.; House insists arm and legs need not be linked and orders a stroke check.
Hamilton dangles a partnership in L.A.; Foreman asks Chase and Cameron whether House's assault bothers them.
Mid-procedure, House picks apart Cameron's praise of Hamilton's style: humility helps if you're wrong a lot.
Foreman scoffs at homeless patients, House needles him, then samples a stain from her belongings to diagnose.
The biopsy confirms the tuberculoma but her fever hits 105; Foreman argues over the Prozac, then forces her into ice.
Victoria has a day or two; House orders Foreman's shot, and Foreman refuses to let her die alone.
The team lists infection, lupus, drugs and cancer, and House ends the meeting on his leg's schedule.
The team tests for drugs, lupus and lymphoma; the father recalls his wife's cancer and Keith fears the same.
House shrugs off the eye, spots Cuddy's spy in Wilson, denies withdrawal and lands on a heart infection.
In Cuddy's office the team argues detox has broken him; House arrives and proposes a test dose that hurts just enough.
House picks Cameron because the dad trusts her; the team argues whether House is losing it.
Hearing how a long-shot treatment went for his wife, Cameron drops House's cover story.
House explains pain gating with a smashed hand, then defends playing chicken with the father over the lupus treatment.
Hallucinations make it lupus; Foreman says they waited too long, and Cameron admits she lied because she trusted House.
House grills the family over Keith's hallucination, learns Jules was a cat that died recently, and asks where she is.
House dismisses their wish for a fixable kidney problem, bets on steroids, then dissects Foreman's car-trouble excuse.
No steroids now, no cancer; House splits the symptoms in two and argues the kidneys can carry old damage.
Wilson ducks the monster truck jam with a lecture; House's backup friend is invented; the team speculates wildly.
Hank calls trading a child for a kidney murder; the doctors argue it out, one pricing a tipping point to the day.
It's not a date, he insists; Cameron learns Wilson's lecture excuse was fake and accepts.
House roasts Foreman's freebies with a rock-star metaphor, then realises the wife has lost her sense of smell too.
Buzzing from the show, Cameron gets personal; House admits he lived with someone, then dodges with a race to the car.
Cuddy pitches a 12-year-old's odd pneumonia; House reads her silence as big donors, then runs a differential that lands on a tick bite.
Chase's father spots animal hair in the attic insulation, and the team reads the CT scan until the widened mediastinum spells anthrax.
Gabe can't breathe, the tube won't pass, and Chase cuts a tracheotomy while his father watches and pleads.
Chase and his rheumatologist father clash over the rash, and House lets the room vote on which Chase wins.
The lesions are spreading, and House forces father and son to debate it; the proctologist jab lands on Rowan.
At the scanner, Cameron urges Chase to forgive his father; he snaps back and tells her to stay away.
House drops clues, then reveals leprosy caught from the father, and explains how the cure itself has been attacking Gabe.
Cameron steers Foreman and Chase toward her clot theory with first names and flattery; House names the technique and mocks it.
Chase and Cameron snipe on first names until Cameron argues a 'normal' sed rate could be high for Carly, and House loves it.
With every theory dead, House studies the images, notices the toes are backwards, and takes the redo away from Chase.
House says Carly needs a heart transplant before any test confirms it, and won't tell Wilson how he knows.
Cameron admits she uses the book because people dismiss her, then asks House directly whether he likes her.
Cameron confides that she asked House whether he liked her, and that she likes him.
The team argues over an old head injury, the patient wakes and refuses drilling, and House overrules his team to keep him.
Back with liver failure, Joey tests positive for hep C; House argues timing with a wife and a bat, and jokes one test wins because she's cuter.
Cameron and Chase spar over the car, Joey starts bleeding, and House reads the biopsy as toxins with intent behind them.
Foreman teases Cameron about House while they hunt the toxin; House reads the smoking history and names a herb in Joey's quit candy.
The team debates how a child has a heart attack; House then casually announces one of them is gone by week's end.
Jessica turns violent during a test; her mother blames the bickering doctors until House walks in with lab results.
With jobs on the line, the team snipes through clots and liposuction until diet pills come up and House calls the mother a liar.
House says the team's own treatment caused Jessica's sores; Chase suggests Cameron botched the heparin, and the blame fight boils over.
Cameron accuses House of avoiding his feelings; House turns it back on her, and she offers to quit.
Cameron explains why people thank God; House calls her a naive atheist and says prayer is about not being crushed.
The team meets out of Cuddy's sight; House mocks 'idiopathic' and justifies a whole body scan with a football metaphor.
House demands to know why Cameron likes him; she suspects the question is really about the speech.
With a spleen biopsy too dangerous, House explains how Inuit find fish by watching herons, and the team finds another test.
House apologizes; Cameron quits before he has to fire anyone, and tells him what she got wrong about him.
With Vogler gone, House asks Cameron to come back. 'You're a good doctor' isn't reason enough for her.
House asks Cameron back again, offering money and parking. She names one condition, and he has to decide.
Cameron is back on the team; House spots why the MRI is off-limits, and Cameron tells Chase and Foreman what her new contract got her.
House mocks Harvey's string of alternative healers, then consults a toy oracle to choose between endocarditis and a trauma aneurysm.
Chase explains how he knows Annette; Cameron and House pounce, and House scolds him for withholding the pain angle.
Harvey's mini-strokes kill the blood-thinner plan; Cameron asks how to dress, and House teases her before naming a restaurant.
Harvey spirals and refuses consent; the team sneaks Annette in to command him, he lashes out at her, and his mood swing is a new stroke.
The team finds Harvey's parents are alive and hang up; House calls back with the one lie guaranteed to bring them in.
Wilson corners Cameron before the date; it is not her he is worried about.
Small talk fails; Cameron asks for honesty and House says she needs damaged people, naming her late husband and himself.
Cameron deflects with food and garlic bread; her puffy eyes give her away, and she can't say if there will be a second dinner.
House makes Chase smell the comatose patient's breath and lays out jaw infection as the stroke source, then proves it.
House uses Cameron's deep dive into a teen's heartbreak to show what caring does; she finds a nodule that forces a painful test.
The volleyball player screams at a touch; the team rattles off causes too fast for the class, and House reveals the cases are months apart.
House drills a student on brown urine until he folds, then Cameron, sitting in, names muscle death as the answer.
Cancer, flesh-eating strep and an aneurysm: every story ends with possible amputation, and the room realizes the third patient was House.
The team mocks House's style and his belief in Stacy over the patient; Wilson says he's playing hero and orders him to keep his distance.
Every scan is clean and Mark wants to go home; House books surgery anyway, and Cameron says he only has the wife's word.
Surgery finds nothing and the team calls Mark healthy; House replays the video, enhances it, and spots the twitch nobody saw.
Taking a family history, Cameron finds Stacy has guessed her feelings; Stacy recalls how their own bad first date went.
During a PET memory test House slips in questions about the wedding; Mark fights back with vivid honeymoon detail.
Foreman rules out Guillain-Barré; House pushes a long shot where the body fights nothing, and the team agrees the treatment is low risk.
House replays Mark's honest-looking Paris answer, then lays out a disease that leaves no fingerprints, down to the yoga.
Mark refuses House's trigger shot; Foreman, Cameron and Chase block him, House mocks the stand, and he still gets his way.
Mark convulses while the team fights over Ativan and a sample; the urine stays yellow until House adds light.
Seeing House with Stacy, Cameron admits she was wrong about him and wishes him well.