6. Whatever It Takes

House is recruited by the CIA to help diagnose a deathly ill agent ( Joel Bissonnette ). The agent's case is spearheaded by Dr. Samira Terzi, who offers very little information on the agent's history or previous assignments. With limited information, House uses some unorthodox methods to try to determine a diagnosis in time to save his patient's life. Meanwhile, Foreman faces a huge uphill battle from the remaining fellowship candidates when they start questioning his judgment while arguing over the proper diagnosis of a female drag car racer (Amy Dudgeon) who passes out after a race. Final diagnosis: Selenosis (John) and Heat stroke, followed by deliberate in-hospital Thallium poisoning to mimic Polio (Casey)