House has recovered from his gunshot wounds and is back at work, taking on two cases simultaneously: Richard, paralyzed after brain cancer surgery eight years ago, who drove himself on his motorized wheelchair headfirst into a swimming pool, and Caren, a young woman paralyzed from the neck down after a yoga session. As House begins to diagnose and treat them, the team notices a distinct change in his attitude toward his patients.
|#2||Cane and Able|
Seven year-old Clancy is admitted to the hospital with rectal bleeding, claiming alien abduction. The team runs tests, but when they get different results from the same tests, in addition to finding a metal object in his neck, they are forced to give Clancy's testimony a little more credence. Amidst this, Cuddy and Wilson decides not to tell House the truth about his last case, thinking he will learn some humility, while Cameron is outraged at their actions. When a frustrated House gives up on the boy, Cuddy is forced to re-think her decision to hold back the truth.
House's new patient is Ezra Powell (guest star Joel Grey), a renowned medical research pioneer who collapses in his lab. House puts Ezra through diagnostic rigors, but the team is unable to come up with a conclusive diagnosis and Ezra's health continues to deteriorate. Ezra ultimately demands the team help him end his life, but each member has divergent opinions on the morality of helping Ezra die, especially since the possibility of a cure is still in question. Meanwhile, the teenage daughter of a clinic patient has developed a disturbing crush on House.
|#4||Lines in the Sand|
House takes the case of Adam, a 10 year-old severely autistic boy, who screams loudly for no apparent reason. Cuddy makes a minor change to House's office and he refuses to use it until it is returned to its original state; thus, he finds himself wandering the hospital in need of a temporary office. Meanwhile, the teenage clinic patient still has a crush on House and is becoming a nuisance.
|#5||Fools for Love|
House takes the case of a young woman who is rushed to the hospital with problems breathing and severe stomach pain, after she and her husband are robbed. But when her husband collapses, the team believes the couple's illnesses are related. Meanwhile, clinic patient Michael Tritter causes problems for House.
|#6||Que Sera Sera|
A morbidly obese man is found in a coma after a fire accident and is admitted to Princeton-Plainsboro. Upon waking up, he demands to be discharged, refusing to be tested for any disease possibly caused by his weight.
|#7||Son of Coma Guy|
House decides to awaken a comatose patient so he can question the man regarding the family history of his son, who may have a genetic condition, and the father is the only living relative. Meanwhile, Wilson confronts House about the stolen prescription as Tritter approaches Cameron, Chase, and Foreman in an attempt to divide the team and reveal their loyalties.
House's newest patient is 18 year-old Jack, brought to the hospital after experiencing a heart attack and massive vomiting. Jack has been the sole parent to his younger brother and sister since their parents died. After a brief review of his file, House thinks he has got the diagnosis, seals it in an envelope and turns the process into a game, challenging Cameron, Foreman and Chase to figure it out on their own. Meanwhile, in an attempt to extract a confession, Tritter makes it impossible for Wilson to practice medicine, driving a wedge between the two friends.
House and the team take on the case of Alice, a young girl with pancreatitis. Since her divorced parents cannot agree on how to proceed with her treatment and will not let House bully them into making a decision, House's only option is to take them to court and let a judge rule on the matter. Meanwhile, House's reduced access to Vicodin is beginning to take its toll and he asks Cuddy for more, but instead of writing a prescription, she strictly rations his pills.
|#10||Merry Little Christmas|
It is Christmas at Princeton-Plainsboro and Wilson has a present for House: he and Detective Tritter have struck a deal and House has three days to accept it. Cuddy receives a patient afflicted with dwarfism, who has a variety of symptoms and is recovering from a recently collapsed lung. Cuddy is eventually forced to make a difficult and potentially life-threatening choice between her patient and House's well-being.
|#11||Words and Deeds|
House is forced to respond in court to the criminal charges against him regarding illegal possession of narcotics, and the judge sets a date for a preliminary hearing. Cuddy insists that House apologize to Tritter; meanwhile, the most recent case at the hospital is a firefighter suffering from disorientation and extremely high body temperatures. Because of misinterpreted information, the firefighter is eventually forced to make a decision to undergo a radical brain treatment which will have a serious effect on his life.
|#12||One Day, One Room|
House beats the drug charges and is back at the hospital after a short stint in rehab. Tired of House's disdain for patients, Cuddy turns his clinic duty into a game, with the stakes raised to a level that speaks to House: challenge. When he encounters Eve, who is tested positive for an STD and admits she has very recently been raped, she refuses to be treated by anyone but House. Meanwhile, Cameron encounters a homeless man (guest star Geoffrey Lewis) who is very different from how he originally seems.
|#13||Needle in a Haystack|
16 year-old Stevie Lipa is admitted to Princeton-Plainsboro with a serious respiratory condition and internal bleeding. He is assigned to House, but he is busy fulfilling a dare given to him by Cuddy. A startling secret is revealed about Stevie, and the team encounters troubles with his parents, thus Foreman is forced to ask Stevie to lie directly to his parents, risking his medical license.
A girl (Mika Boorem) with CIPA, a rare condition in which the sufferer cannot feel pain, gets in a car accident. Once her testing is done, she begins developing high fevers with multiple seizures and is rapidly deteriorating.
A brain-damaged musical savant (guest star Dave Matthews) has seizures despite being on anti-seizure medications. When everyone learns that House has entered himself for brain cancer treatment, they attempt to comfort him, but House simply turns them away.
House treats a U.S. Marine returning from Iraq, who has symptoms consistent with Gulf War Syndrome. However, following a dream about the Marine, the case becomes complicating, alongside a physical problem that House has to overcome.
A famous, pregnant photographer, Emma Sloan, is brought to the hospital after suffering a stroke in the middle of a photo shoot. Although Emma's condition initially stabilizes, her health takes a turn for the worse when her kidneys fail and Emma is more concerned about her baby's well-being than her own. Meanwhile, the secret relationship between Cameron and Chase is exposed to Foreman and Cuddy, and House makes extravagant plans to take a much-needed vacation.
House and Cuddy face a widespread outbreak on their plane back from a symposium in Singapore, while Wilson and the rest of the team treat a woman with constant seizures.
|#19||Act Your Age|
A six year-old girl suffers ailments expected in much older patients. Tensions mount between Chase and Cameron, leading House to intentionally assign them to the same tasks, including investigating the young girl's home, where they find something possibly incriminating on the girl's father.
A scam artist loses her ability to make decisions. While House and the team struggle to find the underlying cause, the case becomes personal for Foreman.
A 14 year-old leukemia patient's only hope of survival is a bone marrow transplant from his younger brother, but when he gets sick, the team must race against time to save both sibilings. Meanwhile, Foreman must deal with the consequences of the previous case.
Speculation over Foreman's resignation continues, while a young girl named Addie is admitted after bleeding from the mouth during martial arts practice and House and Wilson are secretly concerned about each other.
House meets his match in the form of Nathan Harrison, an obnoxious 16 year-old chess prodigy with intense head pain and behavioral issues, who manages to annoy and offend every member of the team during his course of treatment. Meanwhile, Foreman's frustration with House reaches a new level when he believes House sabotages his job interview with another hospital.
House and the team take on the case of a young woman who, along with her husband, is rescued at sea en route from Cuba in a desperate attempt to personally see House and get a diagnosis for her illness. During her stay in the hospital, she develops a new symptom: her heart stops – but she miraculously keeps talking. Foreman prepares for his last day at Princeton-Plainsboro Teaching Hospital.
House Season 3 Episode Guide Content licensed under the GNU Free Documentation License.