[s8e4] Infection, Part I < 2025-2027 >

Because this episode is part of a continuous storyline, you must watch the following episodes in order to see the full narrative:

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 [S8E4] Infection, Part I

As panic grows, the city's heroes face a race against time to identify the source of the bacteria before it becomes a full-blown epidemic. Where to Watch Because this episode is part of a continuous

You can find this episode and the rest of the crossover on major streaming platforms and digital stores: involving characters from Chicago Fire