In the mid-20th century, a handful of chance observations transformed psychiatry from an asylum-bound specialty into a medical field powered by effective drugs. This episode explores how chlorpromazine emerged from industrial dyes and surgical experiments, how imipramine and lithium were stumbled upon while chasing unrelated ideas, and how these discoveries reshaped our understanding of mental illness. Join us for a fascinating journey through scientific luck, keen observation, and the drugs that freed millions from institutional walls.