Chicago P.D. Season 7, Episode 4 – "Infection, Part III". Episode Overview
The story begins during a Chicago Bears tailgate at Soldier Field, where a man collapses with a horrific, fast-moving infection . [S8E4] Infection, Part I
You can find this episode and the rest of the crossover on major streaming platforms and digital stores: Chicago P
Chicago Med Season 5, Episode 4 – "Infection, Part II" . Chicago P.D. Season 7
Individual episodes are available for purchase on Apple TV and Amazon Prime Video .
Watch the full series on Peacock or through Sky Go .