51’s Original Bell: When one of 51’s own gets injured on a call, Lt. Severide becomes obsessed with helping out. Foster contemplates a big decision. Kidd...
Light Things Up: Tension builds when a group of rabble-rousers attempt to lock down the firehouse. Brett is faced with a monumental decision. Cruz readies himself...
I’ll Cover You: Lt. Severide teams up with Seager and the OFI when a motel structure fire turns suspicious. Firehouse 51 members become amateur sleuths following...
Protect a Child: Things get personal for Casey and Gallo in the aftermath of a suburban house fire involving a mother and her young son. Herrmann...
The Tendency of a Drowning Victim: Boden is on edge after starting a new fad diet. Casey and Severide disagree on a call. Brett’s birth mother...
Off the Grid: In a two-show crossover event with “Chicago P.D.,” a series of teen opioid overdoses sees Severide partner with Sean Roman (Brian Geraghty), but...
Shut It Down: A series of mysterious gas leaks has members of Firehouse 51 puzzled and spread thin. Brett’s conflicted when her birth mother gets serious...
A Chicago Welcome: The surprising arrival of a new fire truck brings both joy and chaos to members of Firehouse 51. Boden and Severide are asked...
Then Nick Porter Happened: A series of false alarms at a private school hinders the firehouse’s ability to respond to legitimate emergency calls. Kidd asks for...
Hold Our Ground: Members of Firehouse 51 are dismayed to learn their boundaries have been redrawn to overlap with an adjacent station and problems quickly arise....