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This month it's all about Shay.
Learn more about how they film the show.
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Cruz's worst fears come to fruition when a rival gang interrupts Leon's undercover assignment.
On the verge of closure, Firehouse 51 bands together in a fight to save the station.Watch a preview »
Everything you need to know about the actor behind Matthew Casey.More »
Chaos ensues when the squads respond to a fire at the local prison.More »
Watch a collection of the hottest moments from this season.Watch »
Browse pics from the latest episode.View »
Get the inside scoop with Otis' podcast!Watch »
Chicago Fire is on Instagram!More »
Are you an expert on all things Chicago Fire? Prove it with this Season 1 Trivia!Play »