"Perils of Paranoia" is the eighth episode of the eighth season of the American television medical drama series House and the 163rd overall episode of the series. It aired on Fox Network in the United States on November 28, 2011.A district attorney appears to suffer from a heart attack while cross-examining a witness. The initial diagnosis is hyper-anxiety, but the team finds an arsenal at the patient's home and start to believe that his extreme paranoia is a physical symptom.