8/7c - A girl is admitted to the hospital with smallpox, and the CDC institutes a lockdown. The doctor in charge forbids House's team from diagnosing, but Masters believes he has an ulterior motive.
9/8c - A patient is admitted to Princeton Plainsboro after reenacting the Crucifixion. Meanwhile House and the team attend a wedding, Wilson's relationship with Sam unexpectedly changes, and Taub questions his wife's relationship with a member of her infidelity support group.
8/7c - When an infant suffers breathing trouble and liver failure, House and the team must look at the medical history of the mother in order to find an answer, and ultimately land on a discovery that forces the mother to jeopardize not only her child's health but her own.
9/8c - When a campaign manager falls ill with liver failure and temporary paralysis in the midst of an election race, the team must look to the manager's candidate and his surprising announcement in order to solve the case.
8/7c - House and his team must treat both the physical and psychological ailments of a popular children's author when she collapses just moments before attempting suicide.
9/8c - A patient is admitted to Princeton Plainsboro suffering from uncontrollable vomiting. In the process of treating her, House and the team make some unexpected discoveries about her identity and are forced to look at her medical history in order to learn the truth about her past.
8/7c - Now that they're together, House and Cuddy try to establish a normal relationship. Meanwhile, the team comes to the aid of an ailing Princeton neurosurgeon but discover that they need House's help.
9/8c - A family copes with a sick daughter and a dying son, and the team must diagnose the daughter before it's too late.
8/7c - House tells Dr. Nolan about the case of a woman who had amnesia and a disease, and how he had to help solve both mysteries.
9/8c - The team is called upon to aid a search-and-rescue operation during an emergency. House ends up staying to help a woman trapped beneath the rubble who has to choose whether she will sacrifice her imprisoned leg if she wants to live.
8/7c - The team takes on the case of a woman living in an open marriage, who is stricken ill while dating her love. Meanwhile, House decides to determine if Sam is the woman for Wilson.
9/8c - The team tries to diagnose a woman's fiancée, and she's surprised to learn the secrets that he's been keeping from her. Meanwhile, House decides to spend some musical free time with Chase and Foreman.
8/7c - Princeton Plainsboro goes on lockdown after a newborn disappears from the nursery. House is trapped with an inquisitive patient, Foreman and Taub are sealed in the records room, Wilson and Thirteen play Truth or Dare, and Chase is locked in with a familiar face.
9/8c - Sir William, who dwells in an isolated community of people living in a medieval style, is stricken ill and the team must check the village for environmental factors. Thirteen is intrigued by the patient's archaic standards of honor. Meanwhile, Wilson tries to reconcile with one of his ex-wives.
8/7c - The team tries to diagnose a famous blogger who insists on publishing her life on the Internet, much to the regret of her partner. Meanwhile, House and Wilson each discover secrets about each other, and Chase goes speed dating and discovers something about himself.
9/8c - House and team tries to diagnose a high school senior suffering from blackouts and hallucinations, and are forced to take a controversial approach. Meanwhile, Wilson attempts to furnish his new condo, and Taub brings his personal life into the workplace.
8/7c - The team disagrees on how to treat a college football player who wants to be cured in time to compete in the NFL tryouts. Meanwhile, Foreman's brother Marcus pays him a visit.
9/8c - It's a day in the life of Cuddy when she has to deal with her personal and professional life, insurance contract negotiations, a thieving pharmaceutical technician, an ailing daughter, and House and his team.
8/7c - A drug dealer collapses during a sale, but refuses to reveal personal information to the team because it might incriminate him. Meanwhile, Foreman's teammates conspire to play a practical joke on him, while House and Wilson both aim their sights on an attractive new neighbor, Nora.
9/8c - House decides to take on the case of a beautiful female executive based on her looks, and the other males on the team are equally smitten. Only Thirteen is able to remain unaffected as they try to determine the cause of the woman's illness. Meanwhile, House tries to resolve his past with a former medical school colleague he wronged.
8/7c - It's Thanksgiving, and the team discover they have little to be thankful for in their personal lives. Meanwhile, House takes on the illness of a brilliant physicist who has rejected his intellect to work as a courier.
9/8c - Wilson insists on treating the case of a friend and former patient, Tucker, who is suffering from paralysis of his right arm. However, he soon discovers that he can't separate his feelings from his professional attitude. Meanwhile, Cuddy tries to buy a new house.
8/7c - House, Cuddy, and Wilson go to a medical conference and meet an old friend, while the team deal with a girl whose appendages have swollen but she refuses to tell them the truth about the events leading up to her illness.
9/8c - House is finally reinstated and takes on the case of a porn star with eye pain. Meanwhile, Chase and Cameron try to resolve their relationship issues after Chase's admission, and House tries to bring back Taub and Thirteen.
8/7c - A rich businessman brings his son, who's suffering from stomach pain, to Princeton Plainsboro, and believes he's a victim of his wealthy position and success.
9/8c - A dying patient insists that he has the same disease affecting his heart that killed his father and grandfather at the age of 40. Meanwhile, House discovers that he has a hearing problem while trying to duck student rounds.
8/7c - House returns to Princeton Plainsboro, announcing he will make big changes in his life. Meanwhile, House's team can't diagnose a new patient who's obsessed with posting each and every one of his symptoms over the Internet.
9/8c - House's team struggles with an African politician who falls ill and decide if they want to help him after he's charged for crimes against humanity in his country.
8/7c - House engages in a battle of wits and wills against the attending physician in charge of his detox program. When he starts to lose, House resorts to blackmail to gain the upper hand.
9/8c - House engages in a battle of wits and wills against the attending physician in charge of his detox program. When he starts to lose, House resorts to blackmail to gain the upper hand.
8/7c - While House tries to cope with his insomnia, he takes on the case of a ballerina whose skin begins to fall off after treatment following the collapse of her lungs during a rehearsal.
9/8c - House takes on a case of a patient with two different personalities as a result of having the left and right part of the brain operating independently. Meanwhile, he deals with the aftermath of his night of sex with Cuddy.
8/7c - Cameron postpones her vacation with Chase in order to ask House to accept the case of an environmental radical who collapsed at a protest with unexplainable symptoms.
9/8c - The team takes on the case of a deaf 14-year-old named Seth who collapsed after he started "hearing" explosions while competing in a wrestling match.
8/7c - Wilson arranges for House to make a deal with Tritter, but House refuses. Meanwhile, Cuddy cuts House off Vicodin and removes him from the team's case: a 15-year-old little person who entered the hospital with a collapsed lung and anemia.
9/8c - House and his team deal with a bullied girl who collapses during her school's Christmas program. Meanwhile, Foreman and Thirteen grow closer during the Huntington's disease drug trials, House gives a patient a gift, the staff wonder who gave House a special gift, and Cuddy gets an unexpected gift.
8/7c - We find ourselves inside the mind of Lee as he awakens after a bicycle accident in New York unable to move or communicate verbally. From his unique perspective, we hear Lee’s inner thoughts as House, injured in a motorcycle accident, occupies the hospital bed next to him.
9/8c - Charlotte, an older woman who has spent the last six months taking care of her husband Eddie, is rushed to Princeton Plainsboro for immediate treatment after collapsing from respiratory failure at Eddie's deathbed.
8/7c - House and the team take on the case of Nick, a book editor who loses his inhibition and starts insulting coworkers at a dinner party one night before falling ill.
9/8c - House and the team take on the case of Morgan who works in a nursing home with a pet cat who only sleeps next to people if they are about to die – and does so with alarmingly accuracy.
8/7c - When a priest who runs a homeless shelter sees a bleeding Jesus hovering at this doorstep, he is admitted to the ER. House takes on the case as a distraction for the team while he confronts Foreman and Thirteen about their relationship.
9/8c - The team encounters a teenage boy who collapsed from severe pelvic pain after playing basketball. Tests reveal the boy has genetic mosaicism, or both male and female DNA, and the boy’s parents inform House and the team that the boy is unaware of his condition.
8/7c - Cuddy decides to spend more time at home to take care of her newly adopted baby and passes some of her day-to-day responsibilities to Cameron, including supervising House. Cameron is forced to play House's games and becomes involved in a power struggle as he and the team take on the case of a Special Education teacher who collapsed after spitting up blood in the middle of class.
9/8c - House and the team take on the case of a woman who collapsed in the middle of a cooking class and they soon learn she is highly renowned cancer researcher who recently gave up her entire career in order to pursue her own personal happiness.
8/7c - House and the team take on the case of a high-profile fitness trainer who collapses while shooting an infomercial.
9/8c - At Cameron's urging, House and the team take on the case of a man living with such severe chronic pain that he tries to kill himself, unable to go on after living for years without a diagnosis or any relief from his suffering.
8/7c - The team takes on the case of a 16-year-old factory manager who fell ill when her lungs suddenly filled with fluid while at work. The teenager informs House and team that she is an emancipated minor living on her own and supporting herself, and has ever since her parents passed away.
9/8c - A gun-wielding man from the waiting room at the Princeton-Plainsboro clinic takes House, Thirteen and several patients from the waiting room hostage in Cuddy’s office. The man claims to be sick with a long undiagnosed illness and demands medical attention from the best doctor in the hospital, threatening to kill any hostages necessary along the way.
8/7c - The team takes on the case of a dreary middle-aged man who has been experiencing unexplained recurring blackouts and time lapses.
9/8c - When an agoraphobic man falls mysteriously ill and adamantly refuses to leave his home to get treatment at the hospital, House and the team go to him to figure out what might be wrong.
8/7c - When House receives word that his father has passed away, he brushes off the news and dismissed the idea of going to the funeral.
9/8c - When a woman with whom Thirteen had a one-night stand falls ill and has seizures at Thirteen’s apartment after a night of partying, Thirteen accompanies the woman to Princeton- Plainsboro where House and the team take on her case.
8/7c - When several people die suddenly and without warning five years after receiving transplants from a single organ donor, House and the team rush to save the only two surviving recipients.
9/8c - House and the team take on the case of a struggling artist who has been painting bizarre portraits. His undiagnosed illness is distorting his perception, threatening to undermine his career, his relationships and everything else in his life.
8/7c - House remains inhibited by injuries sustained from a bus accident that has also left a victim rapidly deteriorating from a mysterious condition.
9/8c - Eight weeks after the death of his girlfriend, Amber, Wilson is still mourning her death, and his relationship with his best friend House is shattered.
8/7c - House is convinced one of the actors on his favorite soap opera has a serious medical condition after observing his symptoms on television.
9/8c - House finds himself dazed, confused and covered in blood after surviving a bus accident that left dozens seriously injured.
8/7c - House and Thirteen treat a newly converted Hasidic Jewish woman.
9/8c - House assigns Foreman to give the team performance reviews while he treats a patient who is just too nice.