I Was There S01E02 - Johnstown: America's Deadliest Flood

Theo Wilson time-travels back to 1889 to the bucolic river shores of Johnstown, Pennsylvania where the biggest flood in U.S. history is about to be unleashed. Wilson finds himself dissecting the disaster, along the way discovering how filthy rich steel barons cut corners on maintenance of a nearby dam and laid the groundwork for this epic flood--all because they wanted to fish.