Andrew Scull presents psychiatry as a field that has achieved some meaningful advances while repeatedly mistaking confidence, symptom control, and institutional authority for genuine understanding or cure. The episode follows the historical construction of diagnostic categories, the destructive consequences of eugenics and experimental treatments, the mixed evidence and serious risks surrounding ECT and psychiatric drugs, and the cultural influence of Freud, Jung, and psychotherapy. It also examines how war reshaped psychiatric practice and helped produce CBT. The discussion ends by arguing for cautious biological research combined with psychosocial care, social support, public-policy reform, scientific humility, and a more caring relationship with people who suffer.