[s4e16] House's Head (part 2) -

: The finale fundamentally alters the series' core relationship. Wilson is left alone, finding a final note from Amber, while House awakens from a coma to face the wreckage of his friendship.

: The episode concludes with Thirteen testing positive for Huntington’s disease, echoing the theme that life is often "unfair" and beyond a doctor's control. [S4E16] House's Head (Part 2)

For more detailed production history and award information, you can visit the House's Head Wikipedia page and the Wilson's Heart Wikipedia page . : The finale fundamentally alters the series' core

: House deduces that Amber was taking amantadine for the flu. The crash caused acute kidney failure, preventing her body from processing the drug and resulting in lethal amantadine poisoning. For more detailed production history and award information,

: House’s subconscious manifests a guide who prompts him to identify the patient. He eventually realizes her necklace is made of amber, signifying that the "dying patient" is actually Amber Volakis , Wilson’s girlfriend.

: House is motivated by an unfamiliar sense of guilt. He ponders the unfairness of a "misanthropic drug addict" surviving while a promising young physician dies.

The finale begins with House suffering from retrograde amnesia following a bus accident. Convinced he witnessed a life-threatening symptom in a fellow passenger before the crash, House undergoes increasingly dangerous procedures—including hypnosis and deep brain stimulation—to retrieve the lost memory.