No job is more stressful, dangerous or exhilarating than those of the Firefighters, Rescue Squad and Paramedics of Chicago Firehouse 51. These are the courageous men and women who forge headfirst into danger when everyone else is running the other way. But the enormous responsibilities of the job also take a personal toll. With big reputations and hefty egos, the pressure to perform and make split-second decisions is bound to put squad members at odds. When a tragedy claims one of their own, there's plenty of guilt and blame to go around. When it's "go-time" though, they put their differences aside and everything on the line for each other.
The Magnificent City Of Chicago. 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.
Last Chance. Lying Doesn't Protect You From The Truth. Dylan and Ethan treat a patient shot during a drug raid. Charles and Vanessa work together to properly diagnose a motivational speaker.
Halfway To The Moon. A family friend asks Herrmann for some advice on opening a bar. Tensions run high between Emma and Violet.
Finish What You Started. Firehouse 51 tackles a fire caused by a dropped jet engine, and one of their own is accused of a theft related to the incident. Kidd and Boden disapprove of Kylie's potential new love interest.
What's Inside Of You. Firehouse 51 must band together when one of their own is taken hostage.
Keep You Safe. Severide and Kidd work with CPD regarding a suspicious car wreck. Hawkins and Violet's relationship is in jeopardy. Chloe and Cruz adjust to a new family dynamic.
Hot And Fast. Cruz forms a bond with an immigrant boy he meets while fighting an apartment fire. Squad plans to prank the newest member of their team. Hawkins and Violet struggle to keep their relationship a secret.
The Missing Piece. Following an injury in an industrial fire, Severide investigates an anonymous tip. Kidd searches for someone to fill the open spot on Truck 81. A possible new recruit gets tested at a call.
An Officer With Grit. Chief Hawkins goes above and beyond to help Brett and Violet with a problem. Kidd pursues an open lieutenant position. A blast from the past asks Mouch and Herrmann for a favor.
Fire Cop. Severide and Seager team up to investigate a fire at the home of a troubled young woman. Pelham moves into 51's rumored cursed office. Kylie assists Kidd with Girls on Fire.
Show Of Force. Boden, Kidd and Severide work together to protect one of their own. At the Fire Academy, Herrmann meets an inspiring young man. Talk of the annual CFD Gala dominates the firehouse.
Fog Of War. On a call with Station 37, a firefighter is struck by a power line and decides to lash out after her injury. Brett is visited by Scott and Amelia. Violet gets a surprise envelope. The rest of 51 enters a contest.
Back With A Bang. Kidd returns to Firehouse 51. The team must work together to put out a potassium fire in a tunnel. After that incident, Ritter worries about a young cop who witnessed the fiery death of a truck driver.
Winterfest. Gallo, Violet and Ritter debut their microbrewery business at Winterfest. Brett prepares to present her paramedicine program to an oversight panel. Firehouse 51 gets in the holiday spirit.
What Happened At Whiskey Point? Severide and Herrmann clash. Boden looks at Pelham's past as he considers making him permanent. Gallo's resentment of Pelham comes to a head. Violet is forced to confront her true feelings for Gallo.
Whom Shall I Fear? Gallo clashes with the new lieutenant temporarily filling in for Casey. Severide closes in on a dangerous and deadly arsonist.
Dead Zone. A major security breach in the city's computer networks forces Firehouse 51's senior leaders to take matters into their own hands. Severide gears up for an arson investigation.
Two Hundred. Casey makes a life altering decision. Gallo, Ritter and Violet agree to an interview and photo shoot. Brett and Mouch launch the paramedicine program. Cruz comes closer to fatherhood.
The Right Thing. Kidd spreads her wings as a lieutenant. Chief Hawkins rides with Ambulance 61 to learn more about Brett. Casey takes a trip out of town. A Ritter date night turns into an emergency situation.
Counting Your Breaths. Griffin learns the truth about his father's death and reveals why he really came to visit Casey. Gallo, Ritter and Violet take steps to expand their microbrewery business.
Head Count. A video of Casey from the roof rescue goes viral. Mouch sets up a Little Free Library at Firehouse 51.
Mayday. Firehouse 51 deals with the aftermath of the capsized boat rescue. Gallo, Ritter and Violet discuss plans for a side gig.
Rattle Second City. In the season 9 premiere, Firehouse 51 welcomes a new member to the team. Brett's leadership shines.
That Kind Of Heat. Brett and Mackey find their lives in peril. Casey and Brett are in unfamiliar territory. Severide chases a memory while Kidd solves a firehouse problem. Ritter puts himself in harms way during a call.
Smash Therapy. A mishap on the aerial ladder in the midst of a fire rescue leaves Mouch shaken and questioning his abilities. Kidd looks for support from Severide while Casey and Brett discuss their future.
Funny What Things Remind Us. When the firehouse is called to the site of a construction explosion, Gallo is forced to make a surprise rescue to one of their own. Mouch reignites an old feud.
My Lucky Day, When Firehouse 51 is called to the scene of a dangerous blaze inside a 10 story storage unit, Herrmann and Cruz find themselves trapped inside a freight elevator with all communications cut off.
Blow This Up Somehow. Casey is mad when Gallo disobeys his orders during a dangerous rescue. Kidd feels a strain in her relationship with Severide. Brett and Mackey search for answers after a series of suspicious calls.
Dead Of Winter. A fire at a homeless encampment leaves Severide and Casey searching for answers. Cruz is shaken up after a close call. Ritter lends a helping hand to a victim.
Escape Route. A call to a familiar location brings back mixed emotions for Severide. Herrmann heads out for a vacation. Casey is not thrilled with his replacement.
Double Red. Mouch, Gallo, Ritter and Mackey report for training. A nasty blow to the head brings Casey unimaginable pain.
One Crazy Shift. A series of suspicious fires sends 51 on a search for the cause. Casey continues down a troubling path. Mouch is looking to make his long-awaited dream come true.
A Couple Hundred Degrees. A new recruit with ties to the CFD tests Serveride's patience. Violet receives a mysterious note that sends her and Brett on a hunt for the person who wrote it.
Natural Born Firefighter. While Mouch makes an incredible save, all eyes are on a mystery man who helped save his neighbor. Casey worries about his future at the CFD.
Don't Hang Up. A mysterious caller who is in danger relies on Kidd to help save her and her brother. The firehouse helps Cruz get ready for fatherhood.
What Comes Next. A fire breaks out at a pet food factory and Casey and Severide help the owner, Pete, get to the bottom of it. The annual garage sale takes place at 51 and everyone is on edge.
A White Knuckle Panic.Severide and Casey try to find the best fit for Kidd. Ritter, Gallo and Violet help plan an event for Mouch.
No Survivors. The firehouse reacts to some exciting news, a mysterious stranger arrives and a shocking call takes Severide's breath away.
Play S10 E22 
