Lt. Casey returns to work at Firehouse 51 after nearly being killed in a building collapse and Shay meets Allison Rafferty, her new partner, who is friendly to everyone e ...

All seems lost with firehouse 51 on the verge of closing its' doors, thanks in no small part to Gail McLeod, but Chief Boden and the rest of the house refuse to allow the ...

Battalion Chief Boden prepares to counterattack McLeod in a final effort to save the firehouse from closure and the romance between Dawson and Casey escalates. Leon is ma ...

When the shooting of a young girl happens in their neighborhood, Cruz and his brother Leon are forced to think about the gang they have tried to escape. The battle betwee ...

When a tanker collides into a commuter train that subsequently crashes into a warehouse, the firehouse is called to the horrific scene that tests everyone to the limits a ...

While out on a jog, Severide comes across a secluded and empty construction site and encounters a young boy who has been trapped in a backhoe loader and is in dire need o ...

The future is uncertain for more than just Boden and Firehouse 51. ...

Internal issues threaten to derail Engine Company 51. ...

Severide is convinced he knows the arsonist's identity. ...

The threat of an arsonist with a vendetta against the firehouse looms and Casey struggles with the repercussions of Heather Darden's accident. ...

An arsonist takes notice of Severide as new red tape causes big changes in the department in the Season Two Premiere. ...

The team faces a hell of a ride when a small prison fire turns into a much more dangerous situation. Meanwhile, Cindy Herrmann goes into labor, Shay is anxiously waiting ...

In the wake of Hallie's death, Casey must join forces with Sergeant Voight and his team in order to track down her killer, even though it means putting his own life in da ...

Severide decides to look into Tara's past to find evidence that would help him fight the criminal charges she filed against him. Peter asks Gabby to move in with him, but ...

Severide has to face the consequences of Tara's accusations and the firehouse is ordered to attend a sexual harassment sensitivity seminar. Mills does a great job rescuin ...

Casey is angry that Mills has been spending a lot of time with the Squad members and neglecting his Truck duties, but Peter believes Matt might be jealous on him and Gabb ...

Matt is upset that Kelly wants Peter in the Rescue Squad. Further tensions arise when Kelly sees Matt with Heather and assumes he is sleeping with her. Kelly agrees to ha ...

Peter starts looking into his father's death and he confronts Benny Severide about it, while Chief Boden asks Gabriela to keep a secret. After an unexpected source tells ...

After her break-up, Shay decides she wants to have a baby by herself. Gabby, Herrmann and Otis track down the owner of the box they found in the safe. At the scene of an ...

To make up for the crushing feeling of guilt, Cruz becomes overzealous at work, to the point where he puts a colleague's life at risk. Otis, Herrmann and Gabby find a hid ...

In order to help her brother, Gabriela contacts an old enemy, even though this could ruin her friendship with Casey. Herrmann retaliates when Arthur, the silent partner f ...

One month later, Severide returns to the station after a full recovery, only to find out that the person who filled in for him is his ex-fiancée's brother. Otis reconsid ...

After learning that an experimental surgery could significantly reduce his recovery time, Kelly starts having second thoughts about his decision to move to Madrid with Re ...

Gabriela struggles between her crush on Matt and her budding romance with Peter. Kelly comes clean to the Chief about his arm; he also learns that the surgery's consequen ...

In the wake of the accident, the Chief orders Peter to join Gabriela in the ambulance, while Shay is in recovery. When he realizes that he could lose both Leslie and Ren� ...

An Internal Affairs investigation is launched when a woman accuses the firemen of stealing a diamond necklace from her home during a kitchen fire. The lead investigator i ...

After inhaling magnesium shavings at a fire, Vargas gets a severe pulmonary injury, forcing him to retire from his job. Chief Boden fears that 14-year-old Ernie is behind ...

After seeing the remains of a victim crushed by a train, Peter is shocked and considers leaving the station. Gabriela attracts her superiors' wrath again, when she accuse ...

Between a meth lab explosion, a gang shooting, a turkey fire and a 10-car pile-up, the firehouse is very busy on Thanksgiving. Meanwhile, Chief Boden wants to help a dama ...

Gabriela prepares for her suspension hearing and Casey for his deposition. When it becomes obvious that Voight would do anything to protect his son, Hallie and Matt fear ...

A homeless man dies in a warehouse fire. Peter Mills might have saved him if he had another minute, but Chief Boden had called everyone outside, as the building was about ...

The firemen respond to a T-bone car accident that leaves a kid paralyzed. The drunk driver that caused the accident is the son of Det. Voight, a dirty cop who wants to co ...