Episodes
The mattress factory fire spirals out of control. Truck and squad lay it on the line in hopes of getting the trapped victims out ...read more The mattress factory fire spirals out of control. Truck and squad lay it on the line in hopes of getting the trapped victims out alive. show less
Lt. Casey struggles to get Chief Boden to sign off on an energetic new recruit. Against her better judgment, Foster extends an ...read more Lt. Casey struggles to get Chief Boden to sign off on an energetic new recruit. Against her better judgment, Foster extends an olive branch to her irritating new medic. Otis inspires Herrmann to seek new partners at Molly’s. Brett realizes life in Fowlerton will take some getting used to. show less
Brett and Foster question the suspicious circumstances surrounding an attack at a juvenile detention center. A convoluted new ...read more Brett and Foster question the suspicious circumstances surrounding an attack at a juvenile detention center. A convoluted new technology at Firehouse 51 tests everybody's patience. Kidd is chosen to represent the district at a leadership conference. show less
A rare but deadly bacteria takes its toll on numerous victims around the city, leaving Chicago’s finest first responders to ...read more A rare but deadly bacteria takes its toll on numerous victims around the city, leaving Chicago’s finest first responders to work together alongside the CDC to resolve the dangerous situation. Following a fire at a local university that ties into the outbreak, Severide has suspicions that something bigger is happening. show less
Kidd must prove herself at the National Firefighter Leadership Conference while the rest of Firehouse 51 is called to two eerily ...read more Kidd must prove herself at the National Firefighter Leadership Conference while the rest of Firehouse 51 is called to two eerily similar car wrecks. Mouch tries to keep everyone in the firehouse informed by starting a newsletter, but things quickly get out of hand. Cruz deals with a heartbreak. show less
Cruz and Severide suspect foul play when a fire started by an elderly woman turns deadly. Kidd, Foster and Brett create a ...read more Cruz and Severide suspect foul play when a fire started by an elderly woman turns deadly. Kidd, Foster and Brett create a women’s-only lounge. Firehouse 51 celebrates some good news. show less
Severide must make a tough decision about the future of his career at Firehouse 51. Herrmann deals with the consequences of his ...read more Severide must make a tough decision about the future of his career at Firehouse 51. Herrmann deals with the consequences of his temper. Cruz is excited to demonstrate the Slamigan at the Firefighting Expo. Commissioner Grissom returns. show less
Severide starts off on the wrong foot at his Office of Fire Investigation assignment when, despite orders, he reopens an old ...read more Severide starts off on the wrong foot at his Office of Fire Investigation assignment when, despite orders, he reopens an old case. Herrmann is on a mission to discover what caused an apartment fire. Kidd finds herself burning the candle at both ends. show less
An unexpected visit throws Casey for a loop. Severide sets out to exonerate a wrongly convicted arsonist. Kidd pays the price ...read more An unexpected visit throws Casey for a loop. Severide sets out to exonerate a wrongly convicted arsonist. Kidd pays the price for burning the candle at both ends. Cruz goes on a mission to fix one of Otis’s old toys. show less
Members of Firehouse 51 are dismayed to learn their boundaries have been redrawn to overlap with an adjacent station, and ...read more Members of Firehouse 51 are dismayed to learn their boundaries have been redrawn to overlap with an adjacent station, and problems quickly arise. Casey and Gallo hunt a missing piece of equipment. Brett and Foster find themselves at odds. show less
A pest control problem forces the 51 team to temporarily bunk with Firehouse 20. All under the same roof, Casey clashes with ...read more A pest control problem forces the 51 team to temporarily bunk with Firehouse 20. All under the same roof, Casey clashes with Capt. Delaney, while Foster, Kidd and Brett fear Capt. Leone has it out for them. Boden mulls a procedural overhaul. show less
A series of false alarms at a private school hinders 51's ability to respond to legitimate emergencies. Kidd asks for ideas ...read more A series of false alarms at a private school hinders 51's ability to respond to legitimate emergencies. Kidd asks for ideas to surprise Severide on his birthday. Cruz and Brett rent out their extra room but get more than they bargained for. show less
The surprising arrival of a new fire truck brings both joy and chaos to members of Firehouse 51. Boden and Severide are asked to ...read more The surprising arrival of a new fire truck brings both joy and chaos to members of Firehouse 51. Boden and Severide are asked to make peace with an old foe for the greater good. Brett receives family news while Foster plans a party with friends. show less
A series of mysterious gas leaks has members of Firehouse 51 puzzled and spread thin. Brett’s conflicted when her birth mother ...read more A series of mysterious gas leaks has members of Firehouse 51 puzzled and spread thin. Brett’s conflicted when her birth mother gets serious about finding her. Severide misunderstands his role as Cruz’s best man. Mouch bites off more than he can chew. show less
A series of teen opioid overdoses sees Severide partner with Sean Roman, but he begins to suspect there's more to the story ...read more A series of teen opioid overdoses sees Severide partner with Sean Roman, but he begins to suspect there's more to the story than his old friend is telling him. Casey tries to be there for Brett as she considers her birth mother's offer to meet. This crossover event continues in Chicago P.D. show less
Boden is on edge after starting a new fad diet. Casey and Severide disagree on a call. Brett’s birth mother shares ...read more Boden is on edge after starting a new fad diet. Casey and Severide disagree on a call. Brett’s birth mother shares life-altering news. A familiar face has a proposition for Herrmann. show less
Things get personal for Casey and Gallo in the aftermath of a suburban house fire involving a mother and her young son. Herrmann ...read more Things get personal for Casey and Gallo in the aftermath of a suburban house fire involving a mother and her young son. Herrmann campaigns for more respect. Kidd has an idea for giving back to her community. show less
Severide teams up with Seager and the OFI when a motel structure fire turns suspicious. Firehouse 51 members become amateur ...read more Severide teams up with Seager and the OFI when a motel structure fire turns suspicious. Firehouse 51 members become amateur sleuths following a Reddit post involving one of their own. Brett continues to get invested in her birth mother, Julie. show less
Tension builds when a group of rabble-rousers attempt to lock down the firehouse. Brett is faced with a monumental decision. ...read more Tension builds when a group of rabble-rousers attempt to lock down the firehouse. Brett is faced with a monumental decision. Cruz readies himself for a big day. Gallo and Ritter attempt to launch Firehouse 51 into the social media age. show less
When one of 51's own gets injured on a call, Severide becomes obsessed with helping out. Foster contemplates a big decision. ...read more When one of 51's own gets injured on a call, Severide becomes obsessed with helping out. Foster contemplates a big decision. Kidd is concerned for one of her high school trainees. show less