Chicago Fire

In the season 8 premiere, the mattress factory fire spirals out of control.

Lt. Casey struggles to get Chief Boden to sign off on an energetic new recruit. Against her better judgment, Foster extends an olive branch to her irritating new medic.

Brett and Foster question the suspicious circumstances surrounding a brutal attack at a juvenile detention center, which leaves them searching for the truth.

In the first part of a three-show crossover event, a rare but deadly bacteria takes its toll on numerous victims around the city, leaving Chicago's finest first responders to work together alongside the CDC to resolve the dangerous situation.

Kidd must prove herself at the National Firefighter Leadership Conference while the rest of Firehouse 51 is called to two eerily similar car wrecks.

Cruz and Severide suspect foul play when a fire started by an elderly woman turns deadly.

Severide must make a tough decision about the future of his career at Firehouse 51. Herrmann deals with the consequences of his temper after a run-in with a Chicago police officer.

Severide begins his assignment at the Office of Fire Investigation and gets off on the wrong foot when, despite his orders, he reopens an old case.

An unexpected visit throws Casey for a loop. Severide sets out to exonerate a wrongly convicted arsonist. Kidd pays the price for burning the candle at both ends.

Members of Firehouse 51 are dismayed to learn their boundaries have been redrawn to overlap with an adjacent station and problems quickly arise.

A pest control problem forces the 51 team to temporarily bunk with Firehouse 20.

A series of false alarms at a private school hinders the firehouse's ability to respond to legitimate emergency calls.

The surprising arrival of a new fire truck brings both joy and chaos to members of Firehouse 51.

A series of mysterious gas leaks has members of firehouse 51 puzzled and spread thin. Brett’s conflicted when her birth mother gets serious about tracking her down.

In a two-show crossover event with "Chicago P.D.," a series of teen opioid overdoses sees Severide partner with Sean Roman (Brian Geraghty), but begins to suspect there’s more to the story than his old friend is telling him.

Boden is on edge after starting a new fad diet. Casey and Severide disagree on a call.

Things get personal for Casey and Gallo in the aftermath of a suburban house fire involving a mother and her young son.

Lt. Severide teams up with Seager and the OFI when a motel structure fire turns suspicious.

Tension builds when a group of rabble rousers attempt to lock down the firehouse. Brett is faced with a monumental decision.

When one of 51's own gets injured on a call, Lt. Severide becomes obsessed with helping out.