Watch the special expanded series finale online now.
After a horrific scene traumatizes him, Mills' mother begs Mills to leave the firehouse and come back to the family restaurant. « Back
In their toughest call yet, the Firehouse 51 crews battle a dangerous prison inferno.
Everything you need to know about the actor behind Matthew Casey.More »
Casey teams up with the Chicago Police to investigate Hallie's murder.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 »