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Season 8 of Chicago Fire premiered on September 25, 2019 with the episode Sacred Ground. This season was planned to have 23 episodes, but due to the coronavirus outbreak only 20 were completed.

Cast

Main Cast

Recurring Cast

Guest characters

Episode List

Episode Summary Writer, Director Airdate Number
8x01.jpg
In the season 8 premiere, the mattress factory fire (later addressed as the Arnow fire) spirals out of control. Truck and squad lay it on the line in hopes of getting the trapped victims out alive.
September 25, 2019
8x01
160
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8x02.jpg
Casey struggles to get Chief Boden to sign off on an energetic new recruit (Blake Gallo). 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.
October 2, 2019
8x02
161
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8x03.jpg
Brett and Foster question the suspicious circumstances surrounding a brutal attack at a juvenile detention center, which leaves them searching for the truth. A convoluted new technology installed inside Firehouse 51 tests everybody's patience. Kidd gets chosen to represent the district at a leadership conference.
Michael A. O'Shea

Olivia Newman
October 9, 2019
8x03
162
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8x04.jpg
In the first part of a three-show crossover event (Infection: Part II, Infection, Part 3), 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.
October 16, 2019
8x04
163
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8x05.jpg
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.
Matt Whitney

Leslie Libman
October 23, 2019
8x05
164
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8x06.jpg
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.
October 30, 2019
8x06
165
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8x07.jpg
Severide must make a tough decision about the future of his career at Firehouse 51. Herrmann deals with the consequences of his temper after a run-in with a Chicago police officer. Cruz is excited to demonstrate the Slamigan at the Firefighting Expo. Commissioner Grissom returns.
November 6, 2019
8x07
166
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8x08.jpg
Severide begins his assignment at the Office of Fire Investigation and gets off on the wrong foot when, despite his orders, he reopens an old case. When the cause of an apartment fire hits close to home, Herrmann is on a mission to get to the bottom of it. Kidd finds herself burning the candle at both ends.
Ron McCants

Eric Laneuville
November 13, 2019
8x08
167
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8x09.jpg
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.
November 20, 2019
8x09
168
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8x10.jpg
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. Mouch tries the find the recipient of a mysterious letter he discovers.
January 8, 2019
8x10
169
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8x11.jpg
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.
Matt Whitney

Batán Silva
January 15, 2020
8x11
170
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8x12.jpg
A series of false alarms at a private school hinders the firehouse's ability to respond to legitimate emergency calls. Kidd asks for ideas to surprise Severide on his birthday. Cruz and Brett rent out their extra room, but the new tenant is more than they bargained for.
January 22, 2019
8x12
171
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8x13.jpg
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.
Derek Haas

Paul McCrane
February 5, 2020
8x13
172
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8x14.jpg
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 tracking her down. Severide misunderstands his role as Cruz's best man. Mouch bites off more than he can chew.
Neil McCormack

Leslie Libman
February 12, 2020
8x14
173
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8x15.jpg
In a two-show crossover event with "Chicago P.D.," (Burden of Thruth) a series of teen opioid overdoses sees Severide partner with Sean Roman, but 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.
Matt Whitney

Reza Tabrizi
February 26, 2020
8x15
174
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8x16.jpg
Boden is on edge after starting a new fat diet. Casey and Severide disagree on a call. Brett's birth mother shares life-altering news. A familiar face has a proposition for Herrmann.
March 4, 2020
8x16
175
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8x17.jpg
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.
Derek Haas

Brenna Maloy
March 18, 2020
8x17
176
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8x18.jpg
Lt. 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.
March 25, 2020
8x18
177
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8x19.jpg
Tension builds when a group of protesters attempts 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.
Elizabeth Sherman

Nicole Rubio
April 8, 2020
8x19
178
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8x20.jpg
When one of 51's own gets injured on a call, Lt. Severide becomes obsessed with helping out. Foster contemplates a big decision. Kidd is concerned for one of her high school trainees.
Matt Whitney

Eric Laneuville
April 15, 2020
8x20
179
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Notes and Trivia

  • On March 13, 2020, the production of the eighth season was suspended due to the coronavirus outbreak. Only 20 episode out of the planned 23 were completed.
  • The cliffhanger storyline from season 7 concludes in the premiere and is followed by a three-months time jump.

Gallery

Chicago Fire - Season 8 - Poster (1).png
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