

In the Season 3 finale, the set-in-his-ways House was confronted with a series of major changes to his team — but any effects of this “house-cleaning," or the changes it may bring to House professionally or personally, remain to be seen...
All episodes — Season 4
S4 E1Alone
Sep 25, 20078.144 min
With his diagnostic team gone, House tries to diagnose a young woman who survived an office building collapse. With the condition getting worse, Cuddy puts pressure on House to hire a new team, but instead attempts a differential diagnosis
S4 E2The Right Stuff
Oct 2, 2007844 min
House is secretly trying to treat a fighter pilot who is a candidate for NASA's astronaut training program. Her diagnosis will be the test to choose which ones of the 40 applicants are going to take the empty spots in his team.
S4 E397 Seconds
Oct 9, 2007844 min
The candidates are now two teams of five women and five men, competing on diagnosing and treating a wheelchair-bound man. Meanwhile House does experiments on himself to test what happens after death, and Foreman, at another hospital, is tre
S4 E4Guardian Angels
Oct 23, 20077.844 min
House finds that some of his own fellowship students will do whatever it takes, when they deal with a woman who believes she can talk to the dead.
S4 E5Mirror Mirror
Oct 30, 20078.244 min
House deals with a patient who mirrors the personality of anyone he meets. Meanwhile, Foreman is put in charge of overseeing the fellowship candidates.
S4 E6Whatever It Takes
Nov 6, 20077.944 min
Based on practically no information and no medical history about a mystery patient sent by the CIA, House is using some unorthodox methods to diagnose and treat him. Meanwhile the remaining candidates are questioning Foreman's judgment.
S4 E7Ugly
Nov 13, 20077.744 min
A film crew and the candidates are following around House distracting him while he is trying to diagnose a teenager who suffers from a heart attack prior to a serious plastic surgery.
S4 E8You Don't Want to Know
Nov 20, 2007844 min
House treats a magician but comes to believe he's faking illness to cover up his own incompetence. Meanwhile, House pits the fellows against each other in his version of an immunity challenge.
S4 E9Games
Nov 27, 20077.844 min
Under Cuddy’s pressure to choose his team, House gives the candidates a case of a former punk rock star who is a drug user. Whoever diagnoses the patient is going to have a future as a member of House’s team.
S4 E10It's a Wonderful Lie
Jan 29, 20087.944 min
A mother's sudden paralysis during a indoor rock-climbing incident leaves her daughter injured, and House's new team looking for a cure. Meanwhile, House organizes his new recruits' Secret Santa gift exchange... with a few twists of his own
S4 E11Frozen
Feb 3, 20088.444 min
House and his team have to diagnose a case at a distance when a researcher at a South Pole base is taken ill.
S4 E12Don't Ever Change
Feb 5, 20087.144 min
House and his team must diagnose a Jewish bride who is taken ill at her wedding. However, House is more interested in analyzing Wilson's relationship with his new girlfriend.
S4 E13No More Mr. Nice Guy
Apr 28, 20087.644 min
House copes with a patient whose symptoms conceal a greater problem, but spends much of his time dodging Cuddy's orders to give performance reviews, and fighting with Amber over who gets to spend more time with Wilson.
S4 E14Living the Dream
May 5, 20087.844 min
House is convinced one of the actors on his favorite soap opera “Prescription Passion” has a serious medical condition after observing his symptoms on television. House decides to intervene and take matters into his own hands, but both the
S4 E15House's Head (1)
May 12, 20088.744 min
A bus accident leaves House with serious head trauma and partial amnesia. He comes to believe that a patient on the bus had a life-threatening disease and struggles to recall who it was, and what they had.
S4 E16Wilson's Heart (2)
May 19, 2008944 min
In the aftermath of the bus accident, House struggles with his head injuries and short-term memory loss, and must deal with a concerned Wilson who believes his friend's health may be in danger.