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Season guide

Chicago Fire: Season 12

13 episodes Premiered Jan 17, 2024 Updated Oct 2, 2026

With fresh challenges and unexpected alliances, the crew leans into their unbreakable bond. In a city that never sleeps, Firehouse 51 stays ready no matter what comes next. The series follows both the professional and personal lives of the firefighters, rescue personnel, and paramedics of the Chicago Fire Department at the fictional Firehouse 51 as they risk their lives to save and serve. These courageous men and wom

Previously on Chicago Fire

Season 12 Lore Primer

Key plot threads, lore context, and character stakes you need to remember before diving into this season.

  • ⚡ Firehouse 51 is a fictional firehouse within the Chicago Fire Department.
  • ⚡ The personnel stationed there include firefighters, rescue squad members, and paramedics.
  • ⚡ The profession involves high stress, extreme danger, and rewards for everyday heroes.
  • ⚡ The series is part of the broader Chicago franchise broadcast by NBC.
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Season overview

With fresh challenges and unexpected alliances, the crew leans into their unbreakable bond. In a city that never sleeps, Firehouse 51 stays ready no matter what comes next. The series follows both the professional and personal lives of the firefighters, rescue personnel, and paramedics of the Chicago Fire Department at the fictional Firehouse 51 as they risk their lives to save and serve. These courageous men and women comprise an edge-of-your-seat view into the lives of everyday heroes committed to one of America's noblest professions. For the firefighters, rescue squad, and paramedics of Chicago Firehouse 51, no occupation is more stressful or dangerous, yet so rewarding and exhilarating. These courageous individuals are among the elite who face extreme dangers while maintaining their commitment to the city.

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Season 12 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 12 Progress Shield

Future titles & synopses blurred. Tap "Reveal" on any card to peek.
Binge Efficiency Engine

Season 12: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

23%
77%
Mytharc (3): Crucial lore & season climaxes
Core (10): Character development & subplots
Side Quest (0): Standalone / filler
S12·E1 Mytharc

Barely Gone

Jan 17, 2024 · 42 min

Firehouse 51 is forced to share space with Firehouse 17. Kidd and Herrmann fight over Ritter. An arson case tests Kidd and Severide's relationship. Firehouse 51 says goodbye to one

S12·E2 Core

Call Me McHolland

Jan 24, 2024 · 43 min

Mouch sets out to change his legacy and nickname. Ritter pushes Herrmann to see a doctor. Brett searches for the perfect wedding venue.

S12·E3 Core

Trapped

Jan 31, 2024 · 43 min

After witnessing a domestic dispute, Brett and Violet decide to take the investigation into their own hands. Mouch vets Truck 81's new firefighter. Herrmann relies on something new

S12·E4 Core

The Little Things

Feb 7, 2024 · 41 min

Julia spends a couple of days at 51. Boden's stepson returns, desperate for Boden to help his mother. After a little girl starts a fire in her backyard, Kidd and her team decide to

S12·E5 Core

On the Hook

Feb 21, 2024 · 41 min

After their defibrillator malfunctions on a call, Brett and Violet search for answers. Herrmann tries to find the perfect home for his new recliner. A secret from Gibson's past com

S12·E6 Core

Port in the Storm

Feb 28, 2024 · 41 min

Firehouse 51 welcomes back some familiar faces and says goodbye to Brett. Violet scrambles to decorate Brett's wedding venue. A call at the expo center takes a shocking turn.

S12·E7 Core

Red Flag

Mar 20, 2024 · 41 min

Violet clashes with her new partner. Severide discovers a hidden stash of money on a call and squares off against the cops working the case. Mouch gets a parking ticket.

S12·E8 Core

All the Dark

Mar 27, 2024 · 41 min

A hazmat call at a dialysis center leads to a shocking discovery. Boden clashes with Paramedic Chief Robinson. Carver notices a concerning change in Gibson's behavior.

S12·E9 Core

Something About Her

Apr 3, 2024 · 41 min

Severide, Kidd and Van Meter investigate a fire at a recording studio. Kylie helps James keep a secret from Boden. Mouch struggles to maintain boundaries with a paramedicine client

S12·E10 Core

The Wrong Guy

May 1, 2024 · 41 min

Severide steps in as ranking officer at 51. Kidd fights to save her Girls on Fire program. Cruz's family is threatened when someone from Javi's past resurfaces.

S12·E11 Core

Inside Man

May 8, 2024 · 41 min

Severide goes for an unexpected ride on Truck 81. Ritter's worlds collide when his secret cop boyfriend helps 51 track down Severide and the missing rig.

S12·E12 Mytharc

Under Pressure

May 15, 2024 · 41 min

Severide and Violet risk clashing with Paramedic Chief Robinson after Lennox makes a dangerous decision on a call. Capp and Tony attempt to break a world record.

S12·E13 Mytharc

Never Say Goodbye

May 22, 2024 · 41 min

Boden makes a decision that impacts the race for deputy commissioner. A tense call brings up painful memories for Carver and Damon. Mouch struggles to adjust to the new truck.

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