This episode of Doomsday details the 1947 Texas City disaster, the deadliest industrial accident in U.S. history. The host explains how a fire on the SS Grandcamp, carrying ammonium nitrate, led to a massive explosion that killed over 500 people and destroyed much of the port. The narrative covers the chaotic aftermath, including a second explosion on the SS High Flyer, and analyzes the chemical causes and safety failures. Finally, the episode offers practical advice on surviving blasts and discusses the disaster’s lasting impact on industrial regulations.