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Boden's job is on the line as the crew of Firehouse 51 continues to search for evidence that could clear him of any wrongdoing.
All Episodes - S04
EPS01
Casey finds himself in dangerous territory at the center of an undercover operation to bring down a trafficking ring out of Nesbitt's strip club. ...
EPS02
Internal Affairs investigates Firehouse 51 following a complicated call to a fire. ...
EPS03
Boden's job is on the line as the crew of Firehouse 51 continues to search for evidence that could clear him of any wrongdoing. ...
EPS04
A member of Firehouse 51 requires the support of the whole team to recover from a near disaster. ...
EPS05
Boden offers to host a wedding at the firehouse after a fire ruins the ceremony, but Chief Riddle is against it and his political aspirations cause friction among the fir ...
EPS06
Severide and Patterson's differences reach a boiling point, while a visitor from Cruz's past asks for a favor. ...
EPS07
Boden finds himself in the middle of a fiasco concerning a female neighbor he believes is setting him up. ...
EPS08
Patterson confronts Boden about his ability to lead the firehouse. ...
EPS09
Clues to Serena's possible whereabouts are uncovered, while Captain Patterson has news for everyone. ...
EPS10
While a member of Firehouse 51 falls victim to a near-fatal stabbing, the other firefighters rescue a woman who attempted to commit suicide. ...
EPS11
The city of Chicago braces for a tornado. ...
EPS12
Herrmann goes to court to testify against Freddie but when the perpetrators father reaches out to beg forgiveness for his sons malicious attack, a tormented Herrmann is l ...
EPS13
Mysterious threats begin to emerge throughout Chicago and the situation gets worse when news of a mass shooting brings Firehouse 51 into a dangerous scene. ...
EPS14
Lt. Severide (Taylor Kinney) confronts Chili about his suspicions regarding her erratic behavior, but she does not take too kindly to his intentions. Meanwhile, members o ...
EPS15
Casey begins his campaign and is approached by someone who represents people who want to support him. The team responds to a call at another firehouse wherein one of them ...
EPS16
A citywide propaganda attack against Casey's run for alderman makes him reconsider his candidacy. ...
EPS17
With election approaching Casey's opponent tries to fling a little mud on him by saying he intends to continue working for the fire department even if he wins, in other w ...
EPS18
Sylvie is threatened when she witnesses a murder. ...
EPS19
The squad finds a boy beaten and tied to the tracks. Casey learns that the boy was targeted because of his brother. He tries to help the boy but is unable to. Detecxtive ...
EPS20
Severide watches over Detective Holloway's son while she testifies in court as part of an undercover operation, but he's left to deal with the situation due to an unexpec ...
EPS21
When the team responds to a fire at a house, Dawson finds a boy and he's hesitant to go with her but he eventually goes with her. And he refuses to let her go so she goes ...
EPS22
Dawson is determined to be approved a s a foster parent so she can take in Louie, the boy she saved. And Casey is not exactly supportive. Borrelli's brother, also a firem ...
EPS23
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 ...