The world's worst diseases S01 E04 Spanska sjukan

The year is 1918 and Isabelle and Max visit a theater hoping to be entertained. Well, they get it, when the entire staff is sick and they instead get infected with the super-dangerous flu, the Spanish flu. Isabelle and Max receive care from stressed-out staff in an overcrowded hospital, and although they get to try several very special remedies, the future does not look very bright.