A textbook rescue turns into anything but; Boden prepares to start a new family; Molly's II is unveiled; a misunderstanding sends a ripple through Casey and Dawson's relationship.
Dawson's off-book move during a call threatens her relationship with Casey.
Firehouse 51 scrambles to save lives during a helicopter disaster.
In part one of the crossover with Law & Order: SVU and Chicago P.D., Severide returns from Vegas with a huge surprise that sends ripples through Firehouse 51.
Herrmann pushes Dawson to the limit while Casey faces down his corrupt brother-in-law.
Severide confronts his demons in an unexpected way while Dawson and Mills struggle with their new roles.
Severide returns to Firehouse 51 still reeling from the loss of Shay.
In the Season 3 premiere, Firehouse 51 reels from the devastating loss of a teammate.
For the tough-minded leader of the Intelligence Unit, there's a gray area between right and wrong.
In the season finale, a boarding school fire leaves Severide shaken, and Boden's grand plans take a detour.
The firehouse pulls together to help Dawson retake the firefighter's exam.
In the first hour of a crossover event with Chicago P.D., the firehouse is tested like never before when a massive explosion sends Chicago into chaos.
Firehouse 51 struggles to cope after the tragic death of candidate Rebecca Jones.
Jones fights to stay on at 51 while Dawson and Shay take a girls' weekend to a remote cabin.
During a rescue, Mills passes out and needs to be rescued himself.
Chicago Fire and Chicago PD team members survey the charred crime scene.
Led by Chicago P.D.'s Detective Lindsay, the station searches for a known criminal seeking revenge on Severide.
Yuri Sardarov, who plays Otis, discusses the upcoming drama in Chicago Fire's third season.
Spencer talks about the future of the show - and Casey's relationship with Dawson.
The Fire Fighters arrive on the scene to find that a car has crashed into a home, and a baby and mother are trapped inside.
A major explosion occurs at Chicago Medical, where Casey and Dawson are volunteering at a charity run.
David and Christian talk about what they are trying to do in this episode.
Michael talks about how big the set is.
Casey races against a raging fire to save himself - and a rescued baby - from certain death.
The newest member of Squad squeezes in tight for his first official save.
Dawson and Shay scramble to save a gunshot victim - and themselves - from the men who attempted to murder him.
Crazy Captain Cruz makes the hard sell on his unique brand of Chicago River cruises.
Engine 81 makes a bet with Engine 66 that whoever is first on the scene of the next fire, controls the scene.
A string of discoveries leads to the source of the helicopter crash landing.
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