ALLTV

Lt. Boden and Jimmy are at odds in the aftermath of recent events; Kidd must deal with her volatile ex; Dawson puts on her best face in the pursuit of fostering Louie; Casey leaves town to attend a three-day summit.

Chicago Fire

Superhero

A building collapses and leaves dozens of people trapped and injured; Chief Boden faces a life-or-death decision in the rescue plan; Dawson continues her quest to foster Louie; tensions flare between Casey and Antonio.

Where the Collapse Started

Dawson risks her life to save a boy in an apartment fire; Severide pushes for an upgrade on the house's fire masks; Cruz and Brett have an idea to get Otis to take a blood test.

Kind of a Crazy Idea

Detective Holloway testifies in court as part of an undercover operation, leaving Severide to watch her young son; a fire at an art gallery with a victim trapped inside leads Cruz to make a rash decision.

The Last One for Mom

Casey attempts to use political influence to remedy a gang retribution incident; Severide helps Holloway in a dangerous undercover investigation.

I Will Be Walking

A call takes a bad turn when Brett witnesses a murder while aiding a victim who has a leg wound; a restaurant fire has people trapped inside a vault; Mouch gets cold feet about his upcoming wedding.

On the Warpath

Severide is led to reexamine a case from the past while he investigates the discovery of a baby's body in a chimney; with election day nearing, Casey prepares for another confrontation with Alderman.

What Happened to Courtney

A propaganda attack causes Casey to reconsider his run for alderman; when a man is trapped inside a burning car, it seems the fire may have been set intentionally; Trudy's nerdy brother plans Mouch's bachelor party; a kidnapping investigation.

Two Ts

Firehouse 51 responds to an unusual call from another firehouse; the addition of a new firefighter (Miranda Rae Mayo) has repercussions; Casey realizes that certain voters have personal agendas for wanting him elected.

Bad for the Soul

Chili does not respond well when Severide tries to talk to her about her erratic behavior; members of the firehouse think Casey should run for the position of alderman; Jimmy and Antonio face off in a boxing match.

All Hard Parts

News of a mass shooting brings the members of Firehouse 51 into harrowing territory; Casey investigates the missing money from the fundraiser; Jimmy participates in a boxing match; Chili's erratic behavior continues to be a major issue for Brett.

The Sky Is Falling

Herrmann is tormented by a difficult decision; Casey is thrown into the spotlight at a fundraiser; Dawson and Brett are faced with the repercussions of their actions; Severide helps with a case regarding homemade explosives; Otis is surprised.

Not Everyone Makes It

As the courageous firefighters, rescue squad and paramedics of Chicago Firehouse 51 head first into danger, bravely fighting to save the people of their city from peril, they also forge deep, unbreakable bonds with each other.

S4 E23 | Superhero

E23 | Superhero

E22 | Where the Collapse Started

E21 | Kind of a Crazy Idea

E20 | The Last One for Mom

E19 | I Will Be Walking

E18 | On the Warpath

E17 | What Happened to Courtney

E16 | Two Ts

E15 | Bad for the Soul

E14 | All Hard Parts

E13 | The Sky Is Falling

E12 | Not Everyone Makes It