: The team operates to remove the artery, but the emotional resolution comes when Derrick must finally face the grief his mother has suppressed for a decade. The Prank That Changed Everything

While the personal stakes soar, the medical mystery involves Derrick, a 19-year-old cheerleader who hears the voice of his deceased brother.

In a desperate, destructive bid to distract himself from Wilson's impending death, House lashes out at Foreman. After Foreman offers him hockey tickets as a gesture of friendship, House flushes them down several hospital toilets. This "prank" backfires spectacularly: