5 seasons available
A new face at Firehouse 51 causes tension, while rising chaos in the city brings new challenges to the team; Herrmann stalls on plans of relinquishing his office to Mouch.
Vasquez fights to prove himself at 51; Violet and Novak pursue a troubling mystery; Herrmann is on a quest to keep Molly's profitable.
When city budget cuts stretch crews thin, Pascal takes matters into his own hands; Vasquez looks to an old friend for help; an incident in the field hits close to home for Violet.
Firehouse 51 must band together after a devastating fire catches them off guard; Vasquez continues his quest for answers; Violet and Novak face an unexpected roadblock in the new training protocol.
Cruz hunts for the identity of an unknown ally; Mouch takes steps to help a friend; Vasquez must make a difficult choice.
A traffic jam forces Violet and Novak to take drastic measures to save a patient; Severide shadows Pascal for a day; Kidd goes the extra mile for Isaiah.
Severide investigates a suspicious high school fire; Novak gets an unexpected call; Violet brings a 51 firefighter onboard the ambulance for a shift.
When an act of arson harms someone close to the Firehouse 51 family, Severide must track down the perpetrator; impending budget cuts push Mouch and Pascal to get creative.
A member of the Firehouse 51 family remains in peril; Cruz lends a hand to Severide in the ongoing investigation.
Novak explores a new romantic connection; Vasquez deals with the aftermath of his father's recent release.
Herrmann grows uneasy when a local accident attorney inserts himself into a routine call; Firehouse 51 gets a visitor.
Pascal finds himself under intense scrutiny when a member of the firehouse is injured on a call; Herrmann grapples with family issues.
Firehouse 51 is called to an airfield when a passenger jet suddenly goes silent midair, triggering a high-stakes emergency; their discovery cracks open a bigger and deadlier mystery with consequences that could put countless lives in jeopardy.
Severide is on high alert to track down a reckless driver who puts one of their own in harm's way; a member of Firehouse 51 struggles with a potentially life-changing decision.
A car crash puzzles Kidd and Vasquez; Herrmann gets his chance in the spotlight; Violet and Novak deal with a moral dilemma.
Severide is forced to overcome obstacles at the firehouse; Cruz finds himself at a loss amid the new changes in his family.
After a devastating fire erupts at a surgery center, Kidd works to hunt down the true cause; Violet, Novak and Vasquez grapple with shifting relationships; Molly's hosts its first trivia night.
While in the field, Violet and Novak are thrust into a dangerous and rapidly escalating situation, forcing them to rely on their instincts to protect both themselves and a vulnerable patient.
Severide investigates a fire at an abandoned store inhabited by squatters; Mouch pens a memoir about his life.
Severide is forced to crack open a cold case buried for decades; a routine call hits too close to home for Novak.
Severide and Kidd welcome a surprise visitor; Herrmann and Cindy renew their vows; Mouch receives some encouraging news.
Chief Boden makes a risky last-minute decision to save his men; Dawson continues to deal with her father; Brett's childhood friend visits and catches the attention of someone within the firehouse; a fire at a high school hits close to home for Boden.
Chief Boden turns up the pressure on Severide and Casey to investigate the cause of the fire that trapped his wife; Mouch is over-competitive in the firefighter muster challenge.
Casey gets off on the wrong foot with a new chief; Casey makes a risky move to save a man threatening to jump off a building; Mouch flies in Cruz's brother Leon as a birthday surprise; Brett learns new information about her friend Hope.
While running a secret errand, Dawson finds herself trapped in a collapsed parking structure; pressure mounts on Casey as he begins taking on additional duties; Kidd grows increasingly skeptical of Hope.
Casey and Severide find themselves at odds after Casey argues about how to save a teenager entangled in barbed wire; Otis tries to convince Casey to participate in the beta test for an expensive piece of new firefighting equipment.
Kidd is surprised to discover she is being transferred out of the firehouse; Severide and Casey are suspicious and investigate; Otis and Herrmann discuss taking over a rundown bar; Dawson's frustration with her father reaches a boiling point.
Brett attempts to make a lifesaving decision; Otis prepares for the grand opening of Molly's North; Boden becomes emotional following the rescue of a famous blues player; Dawson tries to come to terms with how she has been dealing with her father.
Dawson must make a tough decision about a father who is addicted to painkillers; Herrmann gets into an altercation with a police officer; Otis and Cruz go on a mission to find out who Brett is dating; Donna's brother unexpectedly comes to town.
Dawson asks Severide for help; Brett and Kidd compete for Zach's heart; Otis, Herrmann and Mouch try to figure out the source of a terrible stench wafting throughout the firehouse.
Dawson and Casey try to find Bria's whereabouts; Lt. Severide reunites with Chief Grissom; Cruz enlists the help of Brett and Mouch to create a new tool; Kidd and Zach go on a date.
After responding to a time-sensitive rescue, Casey and Severide don't see eye to eye on the best course of action; Herrmann struggles to entertain his daughter while at work; Brett is joined by a surprise guest during a spa getaway.
After photos of Casey and Severide jumping off the roof during a heroic rescue make the front page of the newspaper, Boden unwillingly agrees to have the photographer chronicle a day at the firehouse.
Chief Boden unwillingly agrees to let Dawson and Brett go undercover; Kidd and Zach's relationship hits a bump; Cruz has a hard time expressing his true feelings for Brett.
Severide and Stella keep an eye out for Grant; Louie has Dawson questioning her dangerous career path; Casey's relationship with Susan Weller cools down; tensions between Borrelli and Boden reach a boiling point.
Casey and Dawson get caught in what may be a political mess; Stella has a big decision to make about her boyfriend; members of the squad are in a dangerous situation after responding to a car accident; Severide befriends a famous socialite.
Casey gets help from Susan Weller for an urgent personal matter; Severide is given an opportunity to travel with Travis Brenner; Stella saves a street kid from a tunnel fire.
Casey is forced to use extreme measures to save a father and daughter from an acid spill; Dawson and Brett respond to an elderly woman who has a difficult senior advocate; Otis shares some exciting news.
Casey is unable to save a woman trapped in a burning house; Herrmann is determined to catch a mysterious tagger that targets the firehouse; Boden has an unexpected visitor; a teenager is injured during a romantic proposal.
Dawson faces repercussions after she hits a pedestrian with the ambulance en route to a call; Casey and Severide continue to investigate an arson case; Chief Boden must decide whether to attend an important event in New York.
Things don't go as planned when Dawson and Antonio's parents come to town for their anniversary; Chief Boden deals with his stepson James' secret; Casey tries to save a young boy during a call to a warehouse; Otis and Kidd become competitive.
Casey and Dawson run into a problem when they apply to permanently adopt Louie; Jeff Clarke gives an interesting proposition to Severide; Otis persuades Herrmann to throw a party at Molly's to celebrate the bar's 100th anniversary.
Dawson and Casey face legal issues as they try to retain legal guardianship of Louie; Severide continues to look for a bone marrow procedure to help Anna; Brett opens up to Dawson.
Severide agrees to a bone marrow donation; Casey and Dawson attempt to find harmony at home; Otis and Mouch plan to create a PSA to encourage people to join the Chicago Fire Department.
Dawson struggles to control her emotions during an ambulance ride with a pregnant teen; the firefighters rush to a building fire; Casey must make a quick decision when two victims both need life-saving assistance; Severide shares a bond with Anna.
A dangerous man is on the loose with a vendetta against Lt. Casey and the Firehouse 51 squad; Antonio's ex-wife appears; Casey has a gift for Dawson.
Chief Anderson feels his authority was undercut after Chief Boden makes a decision that overrides Anderson's when both squads respond to the scene of a dangerous accident; Severide ponders a life-changing decision; Herrmann does a good deed.
Citing a need for improvement, Chief Anderson reassigns members of 51 to other firehouses, leaving the crew members to make the best of their respective new situations; Severide struggles with an important decision.
Fire and rescue are called when an old warehouse-turned-work space turns into a firestorm, trapping countless victims; the doctors and nurses of Chicago Med deal with a barrage of patients as victims of the disaster are brought through the doors.
Members of the fire and rescue squads become hostages when a group of armed gang members invades and assumes control over Firehouse 51 during a turf war.
A series of similar car accidents raises suspicion that someone may be targeting innocent people; Severide tries to make Anna feel welcome in her new Chicago surroundings; a persistent constituent asks for Alderman Casey's help in resolving an issue.
Casey discovers a new crack house on the block that's harboring a female junkie; a new trainee gets Dawson and Brett into trouble; Severide gets an unexpected visit from his father.
Casey reunites with a former colleague; Dawson and Brett serve their time in retraining; Severide tries to fix what's going on with Anna.
Casey takes extreme measures to help his friend Kannell; Severide helps an old widow come to terms with letting go; Otis and Cruz find a new roommate.
Mouch offers to help when an off-duty incident puts Cruz in a bad spot; Casey takes on a powerful politician; Lt. Severide makes life difficult for a new team member; Dawson gets an unexpected visit from her father.
A warehouse blaze puts the fire and rescue squad at risk; Dawson's father overstays his welcome at Dawson and Casey's home; Casey fights for his first responders bill; Mouch makes a serious decision; Herrmann tries to make a young boy smile.
Casey attempts to use political influence to remedy a gang retribution incident; Severide helps Holloway in a dangerous undercover investigation.
Detective Holloway testifies in court as part of an undercover operation, leaving Severide to watch her young son; a fire at an art gallery with a victim trapped inside leads Cruz to make a rash decision.
Dawson risks her life to save a boy in an apartment fire; Severide pushes for an upgrade on the house's fire masks; Cruz and Brett have an idea to get Otis to take a blood test.
A building collapses and leaves dozens of people trapped and injured; Chief Boden faces a life-or-death decision in the rescue plan; Dawson continues her quest to foster Louie; tensions flare between Casey and Antonio.
Lt. Boden and Jimmy are at odds in the aftermath of recent events; Kidd must deal with her volatile ex; Dawson puts on her best face in the pursuit of fostering Louie; Casey leaves town to attend a three-day summit.
Severide wants further investigation when a homeowner saved from a fire is found clutching a suspicious box; Molly's II needs a chef.
The members of the firehouse spring into action when a helicopter explodes over a densely populated area, scattering debris; a dangerous man corners Brett.
Dawson and Casey's relationship is tested as the team responds to a truck leaking hydrochloric acid in a busy intersection; Severide learns about Brittany's past; Mouch has dating troubles.
A house fire puts a couple in danger; Dawson and Casey are pushed apart; the Chicago Holiday Fest gives Molly's II a chance to shine.
Two members of the firehouse go missing after a routine call; Casey and Dawson struggle to balance their personal and professional lives; Boden and Donna learn their baby has potential complications.
Evidence at a storage unit fire seems to be connected to the blaze that took Shay's life; Chaplain Orlovsky is in a car accident.
More clues emerge about the fire that killed Shay, leading Severide to a former nemesis; Shay's sister visits; Cruz is faced with a surprise; Boden tries to help his father.
The pursuit of a missing teenager leaves Mills and Brett stranded in unforgiving elements; members of the firehouse care for an abandoned newborn; Severide receives an intriguing proposal; Boden is at odds with his father (Richard Roundtree).
A temporary chief fills in for Boden, who is forced to take some time off for personal reasons; Lt. Severide deals with an unwelcome addition to the squad; Brett becomes close to a girl she previously rescued; Casey starts seeing a new woman.
Severide steps in when Chief Pridgen tries to shift blame for a tactical error onto Casey; Mouch learns he fathered a child through a sperm donation; Brett and Cruz take Dawson on a double date.