Firehouse 51 is shaken up by the arrival of new chief Dom Pascal, following the departure of Wallace Boden. The leader’s abrupt methods destabilize the team as they navigate numerous crises, including a major disaster and the tragic loss of Monica Pascal, his wife. Severide and Kidd consider adoption, Violet gains more responsibility, and the group’s solidarity is tested between dramas, investigations, and new challenges.
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Episode 1
A Monster in the Field
A new chief shakes things up at Firehouse 51. Violet and Novak work to uncover the truth behind a car crash. Cruz keeps a watchful eye on Severide and Damon's…
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Episode 2
Ride the Blade
After Damon disobeys Kidd's orders on a call, he turns to Severide to protect him. Herrmann searches for the perfect scent to spice things up with Cindy.
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Episode 3
All Kinds of Crazy
Severide and Van Meter investigate a fire at a family-owned restaurant. Pascal questions Kidd's leadership.
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Episode 4
Through the Skin
Violet risks her job to deliver a baby on a tragic call. Mouch, Capp and Tony help Cruz track down Javi's stolen bike. Damon's departure weighs on Severide.
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Episode 5
Down the Rabbit Hole
Kidd and Severide investigate a trucking company responsible for a string of accidents. Herrmann recruits Kylie to help get new radios. Firehouse 51 celebrates Violet's birthday. Carver's allegiances are torn.
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Episode 6
Birds of Prey
Severide gets wrapped up in an Illinois State Police investigation after discovering illegal guns on a call. A bird harasses Mouch on the apparatus floor. Kidd keeps an eye on…
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Episode 7
Untouchable
Pascal and Severide revisit the storage facility fire in hopes of uncovering new evidence. Cruz helps Mouch take his studying to the next level. Novak prepares a proposal for Chief…
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Episode 8
Quicksand
Herrmann and Mouch prepare to take their officer exams. Cruz receives a chilling omen. Carver takes care of a dog after its owner is injured on a call.
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Episode 9
A Favor
Cruz's past comes back to haunt him. Severide prepares to teach an arson class at the academy. Mouch searches for a victim's next of kin.
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Episode 10
Chaos Theory
The team responds to a crisis at a community center. Severide is forced to investigate one of his own squad members. Kidd helps a teacher going through a post-incident spin-out.
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Episode 11
In the Trenches (I)
Chicago's first responders unite in the wake of a catastrophic gas explosion and fire that threaten a city government building. Herrmann reluctantly shadows Pascal while Violet, Novak and Dr. Frost…
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Episode 12
Relief Cut
Herrmann investigates the rise in missing fire hydrants and teams up with Kylie to track them down. Kidd's cousin comes to town, revealing surprising family history. Violet and Novak treat…
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Episode 13
Born of Fire
After a daring rescue at an adventure park, Kidd asks Severide to create a ropes course for Girls on Fire. Violet’s former nemesis returns, pleading for her help.
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Episode 14
Bar Time
A surprise visitor from Novak's past joins Ambo for a late-night ride-along. Herrmann faces a mountain of Chief-level training records and incident reports. Violet catches Carver in a lie.
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Episode 15
Too Close
Kidd and Severide eagerly await big news. Pascal searches for the perfect anniversary gift.
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Episode 16
In the Rubble
In the face of adversity, Pascal searches for justice. Violet struggles to write a letter to Carver. Damon returns to the floater pool hoping to secure a permanent spot at…
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Episode 17
A Beast Like This
Kidd connects with a troubled teen interested in Girls on Fire. Cruz, Capp and Tony wait to try out Squad’s new saw. Violet and Novak are stumped by a bodybuilder…
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Episode 18
Post-Mortem
Deputy Commissioner Boden returns to Firehouse 51 to investigate a disastrous firefight and the surrounding mystery that left one of their own in peril.
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Episode 19
Permanent Damage
Severide investigates an old house fire from 10 years back in which Kidd had responded. Carver and Violet search for a mystery medic who abandoned a victim. Novak looks for…
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Episode 20
Cut Me Open
With the crew stretched thin, a performance efficiency expert evaluates Firehouse 51. Kidd and Severide bond with the mother of the baby they hope to adopt.
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Episode 21
The Bad Guy
Kidd strengthens her bond with Natalie during a road trip. Severide investigates a car fire and uncovers surprising evidence. Violet receives a career opportunity after being featured in a local…
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Episode 22
It Had to End This Way
Severide puts his job on the line to help out one of their own. Kidd navigates Natalie’s complicated relationship with her sister. Herrmann prepares to take the Chief test.