Boden makes a decision that impacts the race for deputy commissioner. A tense call brings up painful memories for Carver and Damon. Mouch struggles to adjust to the new truck.

A familiar face returns to Firehouse 51 to serve with Kidd on a special task force. Mouch and Capp work to keep Tony safe, as he’s days away from breaking…

Boden makes a decision that impacts the race for deputy commissioner. A tense call brings up painful memories for Carver and Damon. Mouch struggles to adjust to the new truck.

Firehouse 51 must band together when one of their own is taken hostage.

The big wedding day arrives and Firehouse 51 welcomes Casey back to celebrate the joyous occasion. Emma’s plans to replace Violet come to a shocking end.

Stella Kidd returns to Firehouse 51. The team must work together to put out a potassium fire in a tunnel. After that incident, Ritter begins to worry about a young…

Boden and Jimmy are at odds. Kidd deals with her unstable ex. Dawson continues her quest to foster Louie. Casey’s new political consultant urges him to think big. The team…

The team responds to a building collapse that’s trapped more than a dozen people. Dawson’s quest to foster Louie is aided by a familiar face. Otis, who’s on medical leave,…

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….

The mattress factory fire spirals out of control. Truck and squad lay it on the line in hopes of getting the trapped victims out alive.

Severide is hiding a serious shoulder injury sustained in the fire that killed Andy Darden, and grapples with his guilt as he fights to rescue a construction worker trapped in…