Chicago Fire has been on air for 12 seasons on NBC, and without a doubt, one of the keys to its success is the drama-packed ...

There's a shift in show order for the crossover event. “Chicago Fire” will air first at 8 p.m., followed by “ Chicago Med “ at 9 p.m., with “ Chicago P.D .” concluding the event at 10 p.m.

Chicago Fire Season 13 Episode 12 puts Kidd's past in focus when her cousin shows up in the Windy City with a bombshell to share.