Firehouse 51 is on high alert when a series of explosions rock the ..
Chief Boden becomes increasingly skeptical of Assistant Deputy Commi..
In the first part of a three-show, one-night crossover event, Fireho..
Casey tries to deal with his unsettled personal life and the firehou..
Boden takes a big step in the pursuit of a major career decision; Ki..
Lt. Severide is shocked when Rene Royce resurfaces; Casey comes up w..
After saving a girl from a car accident, Chief Boden and Lt. Severid..
After responding to a residential fire at a property belonging to a ..
When the FBI takes over Firehouse 51 for an undercover mission, Case..
Boden has a lapse in judgment in the aftermath of rescuing a young b..
The crew struggles to come to terms with an injury to one of their o..
After responding to a car accident, Casey and Dawson become skeptica..
While working to track down a bombing suspect, Voight and Antonio me..
After photos of Casey and Severide jumping off the roof during a her..
After responding to a time-sensitive rescue, Casey and Severide don'..
Dawson and Casey do everything they can to locate Bria's whereabouts..
After learning unsettling news, Dawson enlists Severide to help her ..
After saving a young girl, Dawson is forced to make a tough decision..
Brett attempts to make a lifesaving decision in the field to someone..
After heroically saving a mother and newborn baby from a rooftop fir..
Casey and Severide find themselves at odds after Casey argues with h..
While running a secret errand, Dawson finds herself trapped in a col..
Lt. Casey gets off on the wrong foot with Sam Mullins, a temporary C..
After learning the school fire wasn't an accident, Chief Boden turns..
The sixth season opens with most of the squad still trapped inside t..
A dangerous warehouse fire puts truck and squad at risk. Tensions ar..
Cruz finds himself in a bad spot when an off-duty incident begins to..
Casey goes to drastic measures to help his friend Kannell. Lt. Sever..
When the squad's rig breaks down in the field, Casey reunites with h..
Casey discovers a new crack house on the block that is harboring a f..
When similar car accidents uncover the fact that someone may be targ..
When a turf war escalates, members of truck and squad find themselve..
Truck and squad are called to aid in a massive all-city response whe..
After exercising his disdain and authority over Chief Boden, Chief A..
When truck and squad are summoned to the scene of a dangerous accide..
The team is on high alert when a previous incident during a fire cal..
Dawson finds it hard to keep her emotions in check during an ambo ru..
Severide agrees to a bone marrow donation but a work accident throws..
Dawson and Casey deal with legal matters in hopes of remaining Louie..
Lt. Casey and Dawson apply for permanent adoption of Louie, but quic..
It's a family reunion when Dawson and Antonio's mother and father co..
While responding to a call in the field, Dawson accidentally hits a ..
Lt. Casey is unable to rescue a woman who becomes trapped inside her..
Lt. Casey finds himself in a bad spot when a forklift accidentally p..
Casey seeks help with a personal matter from Susan Weller. A rich pa..
Casey and Dawson find themselves in the midst a potential political ..
Severide and Stella search for Grant, who's AWOL from Chicago Med. D..
In the Season 4 finale, Boden and Jimmy are at odds. Kidd deals with..
The team responds to a building collapse that's trapped more than a ..
Dawson saves a young boy from an apartment fire. Kidd's idea for Mol..
Detective Holloway (Jenny Mollen) continues to entrust Lt. Severide ..
When a high school student becomes an innocent victim of a gang retr..
Sylvie witnesses a murder and is threatened by the shooter not to go..
Severide and Cruz find a child's remains inside a chimney while inve..
A propaganda attack causes Casey to reconsider his run for alderman;..
Firehouse 51 responds to an unusual call from another firehouse; the..
Chili does not respond well when Severide tries to talk to her about..
News of a mass shooting brings the members of Firehouse 51 into harr..
Herrmann is tormented by a difficult decision; Casey is thrown into ..
The city prepares for a tornado; Brett is forced to go to Boden abou..
Squad members gather at Chicago Med after one of their own is attack..
Members of Firehouse 51 are unhappy when Patterson fills in for Bode..
Patterson questions Boden's ability to lead the firehouse as the tri..
Boden thinks he's being set up by his neighbor; Severide's father pa..
Chief Boden's new neighbor asks him for a favor; tension escalates b..
Boden steps up to host a neighborhood wedding that was ruined by a f..
Members of the firehouse band together to help one of their own; Her..
Evidence that seems to exonerate Boden may not be enough; Brett and ..
Boden's job is on the line pending an internal investigation; Severi..
In the Season 4 premiere, Casey is placed in a dangerous situation w..
Cruz and Boden put their lives on the line when a warehouse blaze ge..
Lt. Casey goes under cover to obtain proof of Jack Nesbitt's shady d..
An apartment fire with connections to a rape and attempted murder le..
Mills works to save the life of a driver injured in a car wreck.
Members of Firehouse 51 transport victims of a gas leak to nearby Ch..
Herrmann tries to rescue a toddler from a structure fire; Mills disc..
Severide talks to Chief Boden for an old friend who needs a second c..
Severide steps in when Chief Pridgen tries to shift blame for a tact..
A temporary chief fills in for Boden, who is forced to take some tim..
The pursuit of a missing teenager leaves Mills and Brett stranded in..
More clues emerge about the fire that killed Shay, leading Severide ..
Evidence at a storage unit fire seems to be connected to the blaze t..
Two members of the firehouse go missing after a routine call; Casey ..
A house fire puts a couple in danger; the Chicago Holiday Fest gives..
The team responds to a truck leaking hydrochloric acid in a busy int..
The members of the firehouse spring into action when a helicopter ex..
A homeowner saved from a fire is in possession of a suspicious box.
Casey helps his sister; Brett goes out of her way to assist a mother..
Casey deals with the fallout from his sister's divorce; Dawson and M..
Dawson tries to find balance with Lt. Casey; Mills deals with a futu..
The members of Firehouse 51 and the Austin firehouse clash when truc..
Severide comes back to work; Mills discovers more information about ..
Boden pulls his team together in the aftermath of the explosion; Cas..
A fire breaks out at a boarding school in the Season 2 finale, and S..
Dawson prepares to retake the fireman's exam. Meanwhile, Casey has a..
A large explosion sends Chicago into chaos; the members of the fireh..
A surprised Dawson receives suicide note; Severide looks into Bloom'..
Lt. Severide tries to help a firefighter from Denver struggling with..
Severide feels compelled to help a man he saved from a car accident;..
Det. Lindsay narrows down potential suspects in Keeler's disappearan..
Severide grows frustrated when Vince Keeler goes free, but he mainta..
Severide feels left out during the search for his missing sister. Me..
A drunken driver takes out a transformer, leaving the entire neighbo..
Casey tries to convince everyone he is healthy; Shay avoids the lawy..
Casey returns to work after a brush with death; Shay's new partner i..
Chief Boden and the squad prepare to fight the decision to close Fir..
Boden makes one last-ditch effort to save the firehouse from being c..
The shooting of a child in their neighborhood forces Cruz and his br..
The firehouse goes to the scene of a major railroad accident; Boden ..
Severide comes across a boy in need of help while out on a jog; Bode..
McLeod pushes Boden toward an early retirement and chooses a potenti..
Severide wants to implicate the serial arsonist; Dawson and Shay fac..
Severide tries to prove his suspicions about the arsonist's identity..
Casey struggles with his new responsibilities; Severide dreads the a..
The squad must help diffuse a volatile situation at the jail; Shay c..
Lieutenant Casey must work with Voight and the Intelligence Unit; Sh..
Severide is accused of sexual misconduct; Casey starts to find satis..
Severide faces consequences and fights for survival; Detective Voigh..
A paramedic candidate joins Shay and Dawson for a few shifts; Cindy ..
A failed rescue attempt deeply affects the men and women of firehous..
Mills questions Bennie about the fire that killed Mills' father; Cas..
When Severide's father (Treat Williams) visits, he clashes with Chie..
Cruz suffers from emotional distress, and ends up putting himself an..
Dawson turns to an unlikely source for assistance as she tries to he..
Severide shares a past with a visiting lieutenant; Dawson tells Shay..
A man dies in a fire set by a troubled teenager; Severide contacts h..
Severide finally decides to discuss his injury with Chief Boden; Cas..
Eaten up by his guilt over Flaco’s death in the fire, Cruz goes t..
Several of the firefighters are accused of stealing an expensive dia..
Jose Vargas is injured in a fire and forced to go on disability leav..
Peter begins to have doubts about his future as a firefighter after ..
Severide delays taking a drug test after he and the rest of the fire..
Casey risks his life during an apartment-fire rescue, potentially ea..
Casey fights back against Det. Voight and ends up dealing with the c..
Chief Boden is plagued by bad press and low morale in the department..
Casey faces pressure to cover for a cop's son, who was responsible f..
Severide is still consumed with guilt over Andy Darden's death?and h..
A fire claims the life of a team member in the premiere of this dram..