S6, E16: The team takes on the case of a high school senior who inexplicably blacks out during a class field trip. While in the hospital, the patient repeatedly hallucinates. After exhausting myriad ineffective treatments for her mysterious ailments, House attempts one last controversial approach to diagnosing her: monitoring her cognitive patterns and looking for clues. Meanwhile, Taub airs his dirty laundry at work, and Wilson attempts to furnish his condo.