Firehouse 51 struggles to cope after the tragic death of Rebecca Jones; Severide performs one final gesture for Bloom; Boden seeks to reconnect with Donna.
Jones fights to stay on at Firehouse 51 while Dawson and Shay take a girls' weekend at a remote cabin.
A father's heroic sacrifice affects the entire squad - and leads to an unexpected threat.
Keeler's disappearance ignites an investigation into everyone with a motive from Firehouse 51.
With Keeler a free man, Severide grows impatient and takes matters into his own hands. Meanwhile, Jones struggles to fit in as the new candidate at 51.
Severide and Chicago P.D. hunt for Katie while Dawson faces the final test of her training.
Firehouse 51 steps in when a blackout causes chaos during a frigid night in Chicago.
Casey continues to deny his lingering injuries; Shay receives stunning news about Darryl's suicide; Dawson struggles to keep a damning secret.
Dawson faces an uphill battle - and unlikely competition - as a new recruit at the academy. Meanwhile, Casey discovers a lingering injury and Mills receives life-changing news.
On the verge of closure, Firehouse 51 bands together in a fight to save the station.
Dawson and Casey's romance escalates while Shay hits rock bottom and goes MIA.
A drive-by shooting forces Cruz to make a big decision while Casey and Dawson struggle to keep their feelings at bay.
Firehouse 51 is thrust into the furnace with a train derailment.
Severide performs the save of his career, while Arthur escalates the stakes at Molly's.
Pressure is on Chief Boden to resign from Firehouse 51, while mobster Arthur squeezes a struggling Molly's for more cash.
The fallout from a deadly routine call causes a rift between Shay and Dawson. Meanwhile, Severide goes stealth in his pursuit of Hadley.
Old friends and enemies return to haunt Firehouse 51, for better and worse.
The man behind Kelly Severide talks about the return of Chicago Fire.
Severide makes a difficult decision that unfortunately means the end for him and Renee.
Things heat up between Casey and Dawson during what seems to be a home-cooked dinner date. The question is, will they finally share a kiss?
Taylor Kinney discusses Severide's dramatic rescue in "Joyriding."
Sound mixer Blair Scheller talks about miking a house fire and isolating dialogue.
At the scene of a brutal car accident, Mills springs into action to prevent a victim from committing suicide.
Co-creator Michael Brandt discusses the challenge of crashing a real train.
Lauren and Monica talk about how long it took to shoot "No Regrets".
David Eigenberg and Eamonn Walker answer fan questions from Twitter.
An emergency puts Dawson's firefighter skills to the ultimate test in this four-part digital series.
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.
Out of options, Casey delivers a baby himself at the scene of a car accident.
In a funny PSA, Joe Minoso, Yuri Sardarov and Christian Stolte present the do's and don'ts of bouncy castles.
Two stuntmen describe how they captured a daring water rescue on film.
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