House

House begins a detox program at Mayfield Psychiatric Hospital to get the Vicodin out of his system in an attempt to control his hallucinations.

House returns home to Princeton, where he continues to focus on his recovery but surprises Cuddy with the news that he's making a big change in his life. He's resigning. Meanwhile, the team cannot diagnose a loud-mouthed video game creator who posts each new symptom on the internet and opts for treatments suggested by the online community rather than by the doctors. Foreman angles for House's job, but the pressure to solve the case creates tension in his relationship with Thirteen. Taub quits when he learns that House isn't returning and begins searching for a new job.

When a controversial African politician (guest star Jones) falls ill, he is brought to Princeton Plainsboro for treatment. The team struggles with whether to help a merciless dictator being subpoenaed for crimes against humanity in his country. Meanwhile, Wilson tries to make peace with a feuding neighbor, but House's prying exacerbates the problem.

A wealthy businessman brings his teenage son, who is suffering from inexplicable stomach pains, to Princeton Plainsboro and insists on having Dr. House handle the case. Meanwhile, Foreman and Chase prepare to present information on the Dibala case.

The team takes on the case of a reckless police detective who has a family history of sudden heart failure that killed his father, grandfather and great-grandfather all at age 40. Meanwhile, Chase is haunted by his actions in the Dibala case, and House confronts some ghosts of his own.

After a wild night out, a teenage girl is brought to Princeton Plainsboro with severely swollen appendages. Meanwhile, Cuddy and Wilson attend a medical conference for pharmacology and public policy. House tags along, planning to use the outing as an opportunity to push a personal agenda, but things don't go as expected.

After House's medical license is reinstated, he reclaims his role as Head of Diagnostics in time to treat Hank Hardwick, an adult film star admitted to Princeton Plainsboro for pulsating eye pain. Meanwhile, Cuddy is reminded that the hospital is not conducive to healthy personal relationships, and House angles to form a dream team.

On the eve of Thanksgiving, House and the team treat James Sidas, an exceptionally brilliant physicist and author who traded his successful career for a job as a courier. A myriad of strange symptoms nearly stumps the doctors. Also, they wrestle with strained personal relationships. Cameron left Chase to live in Chicago.

When an old friend and former patient of Wilson's exhibits paralysis in his right arm, Wilson puts himself on the case. House wagers Wilson that the patient's symptoms are attributed to new cancer cells. Wilson accepts even though he is reluctant to believe cancer has returned. Cuddy continues her search for real estate.

When drug dealer Mickey mysteriously collapses while negotiating a sale, his partner-in-crime, Eddie, accompanies him to Princeton Plainsboro for treatment. But with a major deal pending, Mickey is not forthcoming with the necessary personal information the team needs to treat him. House and Wilson compete for a new neighbor's affection. Chase, Thirteen, and Taub play a practical joke.

The team takes on the case of Valerie, an attractive female executive experiencing random episodes of excruciating pain. Meanwhile, House uncharacteristically attempts to alleviate his conscience by reaching out to a former medical school colleague he wronged.

House and the team rush to treat an ailing college football star in time for the patient to compete in NFL tryouts. But when the patient experiences an onslaught of varied and unusual symptoms, the team has trouble reaching a consensus on how to effectively treat him in time. Meanwhile, Foreman's brother Marcus makes a surprise visit to the hospital.

During a day in the life of Princeton Plainsboro's Dean of Medicine, Dr. Lisa Cuddy, the inner workings of the hospital are seen through her eyes. This day proves to be especially trying as Cuddy wrestles with myriad hospital issues and staff disputes that test her perseverance and skills as an administrator, all while juggling issues in her personal life.

House and the team take on the case of an avid blogger admitted with sudden bruising and bleeding. From her hospital bed, the patient blogs about her symptoms, doctors, and prospective diagnoses to her dedicated band of followers and solicits their advice on a course of treatment. Wilson and House discover secrets about each other.

The team takes on the case of a high school senior who inexplicably blacks out during a class field trip and repeatedly hallucinates. Meanwhile, Taub airs his dirty laundry at work, and Wilson attempts to furnish his condo.

Princeton Plainsboro goes on lockdown when a newborn disappears from the nursery, preventing anyone from entering, leaving, or moving within the hospital. While House and his team members are trapped in various parts of the building, new insights surface about the team's personal lives, relationships, and regrets. Chase and Cameron finalize their divorce. 

House and the team take the case of Sir William, a knight from a community of men and women living according to the ideals of the High Renaissance. As the team searches the medieval village for environmental factors contributing to Sir William's rapidly deteriorating health, Thirteen and Sir William debate the acts that define honor and loyalty. Meanwhile, Wilson starts dating his ex-wife, Sam.

House and the team take the case of a woman named Julia, who is in an open marriage and  suddenly becomes ill during a date with her on-the-side boyfriend. Meanwhile, House tests Wilson's relationship with Sam.

The team takes on the case of an ailing groom-to-be who harbors undisclosed secrets from a previous relationship. As his fiancée tries to get answers to her many questions, a frustrated team winnows down the possibilities. Meanwhile, House spends extra-curricular time with his Princeton Plainsboro colleagues at Wilson's insistence, performing a karaoke rendition of a Gladys Knight & The Pips classic with Foreman and Chase during a raucous night out.

During a session with Dr. Nolan, House recounts the case of a woman who arrives at the Princeton Plainsboro emergency room with an unexplained illness and no recollection of who she is. While trying to solve the mystery of the woman's condition, House must also help her piece together her identity.
 

Cuddy, House and members of the team join forces with a search-and-rescue team to provide much-needed medical attention at the scene of an emergency.

Cuddy, House and members of the team join forces with a search-and-rescue team to provide much-needed medical attention at the scene of an emergency.