After learning unsettling news, Dawson enlists Severide to help her out. Elsewhere, Casey and Dawson struggle with communication issues while Brett and Kidd compete to wi ...

After saving a young girl, Dawson is forced to make a tough decision when she finds out the girl's father is addicted to painkillers. Herrmann loses his cool and gets int ...

Brett attempts to make a lifesaving decision in the field to someone near and dear to the firehouse family. In an effort to impress Lily, Otis scrambles to get everything ...

Kidd is surprised to discover she is being transferred out of the firehouse; Severide and Casey are suspicious and investigate; Otis and Herrmann discuss taking over a ru ...

Casey and Severide find themselves at odds after Casey argues with him over the best way to save a teenager entangled in barbed wire. When Casey looks to Boden for help s ...

While running a secret errand, Dawson finds herself trapped in a collapsed parking structure; pressure mounts on Casey as he begins taking on additional duties; Kidd grow ...

Lt. Casey gets off on the wrong foot with Sam Mullins, a temporary Chief who is filling in for Boden at House 51 for the morning. When Casey later makes a risky move in a ...

After learning the school fire wasn't an accident, Chief Boden turns up the pressure on Severide and Casey to investigate the cause of the fire that trapped his wife. Fue ...

With most of the squad still trapped inside the burning warehouse fire, Chief Boden makes a risky last-minute decision in an effort to save his men. Dawson continues to d ...

A dangerous warehouse fire puts truck and squad at risk. Tensions rise for Dawson and Casey as Dawson's father overstays his welcome at their home. Mouch considers retire ...

Cruz finds himself in a bad spot when an off-duty incident begins to unravel, prompting Mouch to step in and offer help in hopes of avoiding serious consequences from the ...

Casey takes drastic measures to help Kannell. ...

Casey is reunited with an old colleague when the squad's rig breaks down in the field. ...

Casey discovers a new crack house on the block that is harboring a female junkie and goes to extreme measures to remedy the situation. Dawson and Brett get assigned a new ...

When similar car accidents uncover the fact that someone may be targeting innocent people, a determined Dawson takes matters into her own hands to help push things along, ...

Firehouse 51 is taken over by local gangsters. ...

Truck and squad are called to aid in a massive all-city response when an old, ill-equipped factory-turned live/work space quickly turns into a firestorm, trapping countle ...

After exercising his disdain and authority over Chief Boden, Chief Anderson reassigns members of 51 to various houses around town, citing the need for improvement. The ra ...

When truck and squad are summoned to the scene of a dangerous accident, Chief Boden makes a split-second decision that overrides Chief Anderson, the incident commander wh ...

The team is on high alert when a previous incident during a fire call leaves a dangerous man on the loose with a vendetta to target Lt. Casey and Firehouse 51, and prompt ...

Casey and Dawson are reeling from Louie's departure. Casey takes it out on everyone at the station. When Dawson goes on a call about a girl who's on a school trip who col ...

Louie's father throws a wrench into Casey and Dawson's family plans. Severide agrees to a bone marrow donation but a work accident throws everything into flux. Casey and ...

After being approached by a man claiming to be Louie's father, Casey and Dawson explore their options. The team finds a discarded ping pong table and being it to the stat ...

Casey and Dawson are informed that they can adopt Louie if they want to. Casey notices a man following them. Severide decides to make some changes in his life. And Jeff C ...

When they go on a call, Matt tries to save a boy. But later the boy dies. Gabby and Antonio's parents are celebrating their wedding anniversary and Sylvie is dreading goi ...

While Gabby and Sylvie go on a call, Gabby who is driving hits a man. Later the man's son files a suit. Casey and Severide continue to butt heads over the fire at Darrin ...

Casey and Severide disagree on a potential arson case when the squad fails to save a woman from her burning house. ...

As per his duties as Alderman Casey visits a warehouse and while there, there's an accident wherein chemicals get spilled all over the place and a toxic gas covers the pl ...

Casey gets help from Susan Weller for an urgent personal matter; Severide is given an opportunity to travel with Travis Brenner; Stella saves a street kid from a tunnel f ...

Members of 51 end up in a dangerous situation while responding to an auto accident and Stella must make a serious decision about her ex. ...

Severide and Stella are on the lookout for her unstable ex. ...

Borelli is still dealing with his brother's death and wondering if Boden is at fault. Dawson tries to find a new place so that she can be made Louie's new foster mom. Ste ...