The Spanish Flu: The Invisible Enemy (2021) is a Documentary, TV Movie film that follows in April 1918, a disease of unknown origin swept across the five continents. In 18 months, millions of lives that had not been taken by the war were swept away by a virus that would cause the worst pandemic in history: the Spanish flu. The Spanish Flu: The Invisible Enemy is not currently listed with streaming providers in your selected region, but availability can change over time. It has a user rating of 7.5 out of 10 from 4 votes. Fans of documentary movies may also want to explore similar titles below.