The story begins during a Chicago Bears tailgate at Soldier Field, where a man collapses with a horrific, fast-moving infection .
Chicago Fire Season 8, Episode 4 – "Infection, Part I" . [S8E4] Infection, Part I
is the fourth episode of Season 8 of the action-drama series Chicago Fire . It serves as the opening chapter of a massive three-part crossover event within the Chicago franchise, involving characters from Chicago Fire , Chicago Med , and Chicago P.D. . Crossover Viewing Order The story begins during a Chicago Bears tailgate
Watch the full series on Peacock or through Sky Go . It serves as the opening chapter of a
Chicago Med Season 5, Episode 4 – "Infection, Part II" .
Because this episode is part of a continuous storyline, you must watch the following episodes in order to see the full narrative:
Chicago P.D. Season 7, Episode 4 – "Infection, Part III". Episode Overview