NBC’s One Chicago is airing its first crossover in five years tonight. Here’s how to watch the epic event featuring "Chicago ...

and Dr. Frost take charge of triage efforts on site,” reads the Chicago Fire Season 13, Episode 11 synopsis. A post shared by One Chicago (@nbconechicago) Below is the synopsis for the January ...

5) Chicago Fire Season 7, Episode 2: "Going to War" The story progresses ... 7) Chicago Fire Season 13, Episode 11: "In The Trenches: Part I" This much-anticipated crossover aired on January ...