Perils of Paranoia is an Season 8 episode of House which first aired 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. Wilson becomes convinced that House is hiding something at 221B Baker Street, which leads to an epic battle of wits between the two men. Park tries to be more social with her workmates, while Taub and Chase wonder why Foreman hasn't had a romantic relationship in a while.