Johnstown: America's Deadliest Flood (S01E02)

Theo Wilson travels back to 1889, arriving at the picturesque riverbanks of Johnstown, Pennsylvania, just moments before the largest flood in U.S. history strikes. As he investigates the impending catastrophe, he uncovers the greed of wealthy steel magnates who neglected the upkeep of a nearby dam, prioritizing their leisure activities over safety. Their reckless decisions set the stage for this monumental disaster, driven by their desire to enjoy a day of fishing.