Martin invites Louisa to watch the annual bird migration over Port Wenn;an elderly woman has hallucinations that lead to dire consequences; Martin must perform an emergency procedure on his young friend.

A retiree buys a duplex and rents out half of it to a troubled family; with the help of his gun, he sends the abusive husband packing and becomes smitten with the wife left behind; the situation turns deadly when the husband returns.

Murder weapons often hold several critical forensic clues about the crime.

Team One faces a serial robber who streams his robberies over the Internet.

A retiree buys a duplex and rents out half of it to a troubled family; with the help of his gun, he sends the abusive husband packing and becomes smitten with the wife left behind; the situation turns deadly when the husband returns.

Murder weapons often hold several critical forensic clues about the crime.

Team One faces a serial robber who streams his robberies over the Internet.

A retiree buys a duplex and rents out half of it to a troubled family; with the help of his gun, he sends the abusive husband packing and becomes smitten with the wife left behind; the situation turns deadly when the husband returns.

Team One faces a serial robber who streams his robberies over the Internet.

Murder weapons often hold several critical forensic clues about the crime.

A documentary crew visits Med to film Marcel and Abrams' groundbreaking surgery; Archer refuses to ask for help for his kidney issues despite the staff's unrelenting kindness; Halstead starts to develop feelings for a co-worker.

The first responders race to rescue victims trapped in various tight spots; Athena contemplates accepting a promotion that will take her out of the field; Chimney finally deals with the aftermath of his near fatal car crash.

Dr. Grace Song launches her pilot program, giving the E.D. a technological facelift; as his health worsens, Archer clashes with Charles on a patient faking paralysis; Archer helps a pregnant mother with a heart condition.

Maddie goes on a ride-along with Athena; Hen must figure out how to save her family from permanently falling apart; the first responders deal with emergencies both at a military funeral and a movie theater.

The fate of the hospital rests on the vote of an incapacitated board member; Archer helps a mother with a rare stem cell disease while Asher treats the woman's pregnant daughter; Charles encounters a schizophrenic patient with a hearing impairment.

The first responders unwittingly become the subject of an eager reporter's first on-air assignment; Athena prepares for May's homecoming dance; the team responds to emergencies at an eating contest, a bodybuilding competition and a toddler pageant.

Maggie clashes with Charles over a patient who is distrustful of hospitals; Marcel and Halstead fight against Med's new policies to save their cancer patient; Asher and Archer pull surprising things out of their unsuspecting patients.

Halloween finds the first responders racing to the rescue at a cemetery, a haunted hayride and a spooky parade; Maddie thinks she has received a "ghost" call from a missing hiker; Hen is in a life-or-death situation with her father.

As Jack Dayton prepares to launch OR 2.0's IPO, Marcel and Grace search for data that may put a wrench in his plans; Charles helps a schizophrenic patient who is anxious about prom; Asher clashes with Abrams when his wife becomes her patient.

Buck jumps back into the dating scene but fears he will return to his old ways; a woman goes to great extremes on a freeway overpass to get the attention of her husband; a couple have a car accident on their wedding day.

Shocking information threatens Jack Dayton's surgery and the future of OR 2.0; Archer goes rogue to save a patient in need; Maggie questions her future at Med.

Hen relives her evolution into the firefighter she is today as she recalls the first times she met Chimney and Athena.

An elevated train crash interrupts the grand opening of the emergency department when an influx of crash victims arrive at Chicago Med.

Martin invites Louisa to watch the annual bird migration over Port Wenn;an elderly woman has hallucinations that lead to dire consequences; Martin must perform an emergency procedure on his young friend.

The victim of foul play, a missing 16-year-old from Delaware, is discovered floating off the coast of New Jersey's Cape May; as the scant evidence reveals hidden clues, a high-flying homicidal plot begins to unravel.

The first responders race to rescue victims trapped in various tight spots; Athena contemplates accepting a promotion that will take her out of the field; Chimney finally deals with the aftermath of his near fatal car crash.

Dr. Grace Song launches her pilot program, giving the E.D. a technological facelift; as his health worsens, Archer clashes with Charles on a patient faking paralysis; Archer helps a pregnant mother with a heart condition.

Maddie goes on a ride-along with Athena; Hen must figure out how to save her family from permanently falling apart; the first responders deal with emergencies both at a military funeral and a movie theater.

The fate of the hospital rests on the vote of an incapacitated board member; Archer helps a mother with a rare stem cell disease while Asher treats the woman's pregnant daughter; Charles encounters a schizophrenic patient with a hearing impairment.

The first responders unwittingly become the subject of an eager reporter's first on-air assignment; Athena prepares for May's homecoming dance; the team responds to emergencies at an eating contest, a bodybuilding competition and a toddler pageant.

Maggie clashes with Charles over a patient who is distrustful of hospitals; Marcel and Halstead fight against Med's new policies to save their cancer patient; Asher and Archer pull surprising things out of their unsuspecting patients.

Halloween finds the first responders racing to the rescue at a cemetery, a haunted hayride and a spooky parade; Maddie thinks she has received a "ghost" call from a missing hiker; Hen is in a life-or-death situation with her father.

As Jack Dayton prepares to launch OR 2.0's IPO, Marcel and Grace search for data that may put a wrench in his plans; Charles helps a schizophrenic patient who is anxious about prom; Asher clashes with Abrams when his wife becomes her patient.

Buck jumps back into the dating scene but fears he will return to his old ways; a woman goes to great extremes on a freeway overpass to get the attention of her husband; a couple have a car accident on their wedding day.

Shocking information threatens Jack Dayton's surgery and the future of OR 2.0; Archer goes rogue to save a patient in need; Maggie questions her future at Med.

Hen relives her evolution into the firefighter she is today as she recalls the first times she met Chimney and Athena.

An elevated train crash interrupts the grand opening of the emergency department when an influx of crash victims arrive at Chicago Med.

During the holidays, the first responders must deal with a stampede at a toy store, a mistletoe stunt gone awry and neighbors competing in a Christmas light showdown; Bobby contemplates his future with Athena; Chimney and Buck try to help Maddie.

The victim of foul play, a missing 16-year-old from Delaware, is discovered floating off the coast of New Jersey's Cape May; as the scant evidence reveals hidden clues, a high-flying homicidal plot begins to unravel.

Martin invites Louisa to watch the annual bird migration over Port Wenn;an elderly woman has hallucinations that lead to dire consequences; Martin must perform an emergency procedure on his young friend.

A family loves everything about their new home except the mockingbirds that perch and squawk in the backyard lemon tree; the family seeks to scare them off, igniting a feud with their neighbors that spins out of control until someone lies dead.

Fire, water, earth - killers call on all the elements in their attempt to cover up their crimes.

The investigation into the kidnapping of a woman and her daughter reveals a dark family secret.

A family loves everything about their new home except the mockingbirds that perch and squawk in the backyard lemon tree; the family seeks to scare them off, igniting a feud with their neighbors that spins out of control until someone lies dead.

Fire, water, earth - killers call on all the elements in their attempt to cover up their crimes.

The investigation into the kidnapping of a woman and her daughter reveals a dark family secret.

A family loves everything about their new home except the mockingbirds that perch and squawk in the backyard lemon tree; the family seeks to scare them off, igniting a feud with their neighbors that spins out of control until someone lies dead.

The investigation into the kidnapping of a woman and her daughter reveals a dark family secret.

Fire, water, earth - killers call on all the elements in their attempt to cover up their crimes.

Danny and Lena race to stop a string of violent crimes before the situation spirals out of control; Sarah's plans for a family outing take an unexpected turn; Jonah and Sean chase a case with surprising twists.

A documentary crew visits Med to film Marcel and Abrams' groundbreaking surgery; Archer refuses to ask for help for his kidney issues despite the staff's unrelenting kindness; Halstead starts to develop feelings for a co-worker.

The team must rely on a criminal for his expertise to help take down an even bigger threat; Officers Chen and Bradford investigate the murder of an unhoused teenager who used to be friends with Tamara.

Dr. Grace Song launches her pilot program, giving the E.D. a technological facelift; as his health worsens, Archer clashes with Charles on a patient faking paralysis; Archer helps a pregnant mother with a heart condition.

The team responds to the report of a severed hand washing up on the beach and is on the hunt to find its owner; Tim attempts to prove he isn't a control freak to Lucy and invites her on a double date with him and Ashley.

The fate of the hospital rests on the vote of an incapacitated board member; Archer helps a mother with a rare stem cell disease while Asher treats the woman's pregnant daughter; Charles encounters a schizophrenic patient with a hearing impairment.

Officers Nolan and Chen must fulfill three quests if they want to get a stolen police helicopter back safely from a teenage thief; Officer Harper and Thorson must guard a convicted cop killer in the hospital following a prison riot.

Maggie clashes with Charles over a patient who is distrustful of hospitals; Marcel and Halstead fight against Med's new policies to save their cancer patient; Asher and Archer pull surprising things out of their unsuspecting patients.

Officers Nolan and Harper help Skip Tracer Randy on his first bounty hunter case; Officer Chen and Sgt. Bradford hunt for a perpetrator on a citywide crime spree.

As Jack Dayton prepares to launch OR 2.0's IPO, Marcel and Grace search for data that may put a wrench in his plans; Charles helps a schizophrenic patient who is anxious about prom; Asher clashes with Abrams when his wife becomes her patient.

Danny and Lena race to stop a string of violent crimes before the situation spirals out of control; Sarah's plans for a family outing take an unexpected turn; Jonah and Sean chase a case with surprising twists.

Shocking information threatens Jack Dayton's surgery and the future of OR 2.0; Archer goes rogue to save a patient in need; Maggie questions her future at Med.

When an 18-year-old goes missing from his family's restaurant, Colter uncovers the teen's underground fake ID business and the secret life he's been hiding from his parents.

An elevated train crash interrupts the grand opening of the emergency department when an influx of crash victims arrive at Chicago Med.

A man leading a dangerous double life -- fearsome NYC hitman, and sleepy upstate Cooperstown photocopier salesman and father -- develops early onset Alzheimer's.

The victim of foul play, a missing 16-year-old from Delaware, is discovered floating off the coast of New Jersey's Cape May; as the scant evidence reveals hidden clues, a high-flying homicidal plot begins to unravel.

Dr. Grace Song launches her pilot program, giving the E.D. a technological facelift; as his health worsens, Archer clashes with Charles on a patient faking paralysis; Archer helps a pregnant mother with a heart condition.

The team must rely on a criminal for his expertise to help take down an even bigger threat; Officers Chen and Bradford investigate the murder of an unhoused teenager who used to be friends with Tamara.

The fate of the hospital rests on the vote of an incapacitated board member; Archer helps a mother with a rare stem cell disease while Asher treats the woman's pregnant daughter; Charles encounters a schizophrenic patient with a hearing impairment.

When an 18-year-old goes missing from his family's restaurant, Colter uncovers the teen's underground fake ID business and the secret life he's been hiding from his parents.

Maggie clashes with Charles over a patient who is distrustful of hospitals; Marcel and Halstead fight against Med's new policies to save their cancer patient; Asher and Archer pull surprising things out of their unsuspecting patients.

A man leading a dangerous double life -- fearsome NYC hitman, and sleepy upstate Cooperstown photocopier salesman and father -- develops early onset Alzheimer's.

As Jack Dayton prepares to launch OR 2.0's IPO, Marcel and Grace search for data that may put a wrench in his plans; Charles helps a schizophrenic patient who is anxious about prom; Asher clashes with Abrams when his wife becomes her patient.

Officers Nolan and Harper help Skip Tracer Randy on his first bounty hunter case; Officer Chen and Sgt. Bradford hunt for a perpetrator on a citywide crime spree.

Shocking information threatens Jack Dayton's surgery and the future of OR 2.0; Archer goes rogue to save a patient in need; Maggie questions her future at Med.

Officer Harper puts Officer Aaron through Plain Clothes Day, but the exercise is interrupted by an unsuspected visitor; after two witnesses for an upcoming grand jury case are murdered, the team must track down the killers before it's too late.

An elevated train crash interrupts the grand opening of the emergency department when an influx of crash victims arrive at Chicago Med.

Desperate to reset the way the world sees him, Officer Thorsen reluctantly decides to be a part of a reality show to help rebrand his image; the show's producer is found murdered and the team must investigate before Aaron is made suspect number one.

The victim of foul play, a missing 16-year-old from Delaware, is discovered floating off the coast of New Jersey's Cape May; as the scant evidence reveals hidden clues, a high-flying homicidal plot begins to unravel.

Now that John Nolan knows about Bailey's past, he must decide if they still have a future; when a plane crashes in the middle of the city, the team races to find out why.

In 1988, motorists discover human body parts dumped along the highway.

Living in her family home, a woman befriends her new neighbors, only to be plunged into a nightmare of threats, violence and betrayal; after her brother steps up to protect her, blood will be spilled and lives forever shattered.

In fall 1991, Toronto was paralyzed by the story of a missing six-year-old girl found raped and murdered in the boiler room of her apartment building; with four suspects, CSIs turned to the brand-new science of DNA to catch the killer.

The disappearance of millionaire Frank Black.

A member of Team One has a secret that could compromise the assignment and ruin Wordy's career.

Bobby meets Athena's parents for the first time; Maddie attempts to end her marriage for good, causing Doug to insinuate himself even deeper into Chimney's life.

Living in her family home, a woman befriends her new neighbors, only to be plunged into a nightmare of threats, violence and betrayal; after her brother steps up to protect her, blood will be spilled and lives forever shattered.

Chimney's history at Station 118 is explored as he works hard to become the paramedic and firefighter he is known to be.

In fall 1991, Toronto was paralyzed by the story of a missing six-year-old girl found raped and murdered in the boiler room of her apartment building; with four suspects, CSIs turned to the brand-new science of DNA to catch the killer.

The first responders rally together to search for a missing Maddie.

A member of Team One has a secret that could compromise the assignment and ruin Wordy's career.

The call center is hit with a system-wide power outage and must go old school to respond to emergencies; the first responders must deal with explosions in multiple homes and a difficult childbirth; Michael confronts Bobby about parenting his kids.

Living in her family home, a woman befriends her new neighbors, only to be plunged into a nightmare of threats, violence and betrayal; after her brother steps up to protect her, blood will be spilled and lives forever shattered.

When a going-away party for a bank manager turns into an emergency, the first responders are accused of pulling off a daring heist.

A member of Team One has a secret that could compromise the assignment and ruin Wordy's career.

After his devastating family tragedy in Minnesota, Bobby Nash moves to Los Angeles to start over, where he becomes captain of the 118 and meets Athena Grant for the first time.

In fall 1991, Toronto was paralyzed by the story of a missing six-year-old girl found raped and murdered in the boiler room of her apartment building; with four suspects, CSIs turned to the brand-new science of DNA to catch the killer.

The first responders deal with a calamity at a chocolate factory; a mail bomb explosion; Eddie receives some surprising news from Shannon; Maddie contemplates her future in the call center.

Danny and Lena race to stop a string of violent crimes before the situation spirals out of control; Sarah's plans for a family outing take an unexpected turn; Jonah and Sean chase a case with surprising twists.

Bobby meets Athena's parents for the first time; Maddie attempts to end her marriage for good, causing Doug to insinuate himself even deeper into Chimney's life.

The team must rely on a criminal for his expertise to help take down an even bigger threat; Officers Chen and Bradford investigate the murder of an unhoused teenager who used to be friends with Tamara.

Chimney's history at Station 118 is explored as he works hard to become the paramedic and firefighter he is known to be.

The team responds to the report of a severed hand washing up on the beach and is on the hunt to find its owner; Tim attempts to prove he isn't a control freak to Lucy and invites her on a double date with him and Ashley.

The first responders rally together to search for a missing Maddie.

Officers Nolan and Chen must fulfill three quests if they want to get a stolen police helicopter back safely from a teenage thief; Officer Harper and Thorson must guard a convicted cop killer in the hospital following a prison riot.

The call center is hit with a system-wide power outage and must go old school to respond to emergencies; the first responders must deal with explosions in multiple homes and a difficult childbirth; Michael confronts Bobby about parenting his kids.

Officers Nolan and Harper help Skip Tracer Randy on his first bounty hunter case; Officer Chen and Sgt. Bradford hunt for a perpetrator on a citywide crime spree.

When a going-away party for a bank manager turns into an emergency, the first responders are accused of pulling off a daring heist.

Danny and Lena race to stop a string of violent crimes before the situation spirals out of control; Sarah's plans for a family outing take an unexpected turn; Jonah and Sean chase a case with surprising twists.

After his devastating family tragedy in Minnesota, Bobby Nash moves to Los Angeles to start over, where he becomes captain of the 118 and meets Athena Grant for the first time.

When an 18-year-old goes missing from his family's restaurant, Colter uncovers the teen's underground fake ID business and the secret life he's been hiding from his parents.

The first responders deal with a calamity at a chocolate factory; a mail bomb explosion; Eddie receives some surprising news from Shannon; Maddie contemplates her future in the call center.

A man leading a dangerous double life -- fearsome NYC hitman, and sleepy upstate Cooperstown photocopier salesman and father -- develops early onset Alzheimer's.

Bobby meets Athena's parents for the first time; Maddie attempts to end her marriage for good, causing Doug to insinuate himself even deeper into Chimney's life.

The team must rely on a criminal for his expertise to help take down an even bigger threat; Officers Chen and Bradford investigate the murder of an unhoused teenager who used to be friends with Tamara.

Chimney's history at Station 118 is explored as he works hard to become the paramedic and firefighter he is known to be.

When an 18-year-old goes missing from his family's restaurant, Colter uncovers the teen's underground fake ID business and the secret life he's been hiding from his parents.

The first responders rally together to search for a missing Maddie.

A man leading a dangerous double life -- fearsome NYC hitman, and sleepy upstate Cooperstown photocopier salesman and father -- develops early onset Alzheimer's.

The call center is hit with a system-wide power outage and must go old school to respond to emergencies; the first responders must deal with explosions in multiple homes and a difficult childbirth; Michael confronts Bobby about parenting his kids.

Officers Nolan and Harper help Skip Tracer Randy on his first bounty hunter case; Officer Chen and Sgt. Bradford hunt for a perpetrator on a citywide crime spree.

When a going-away party for a bank manager turns into an emergency, the first responders are accused of pulling off a daring heist.

Officer Harper puts Officer Aaron through Plain Clothes Day, but the exercise is interrupted by an unsuspected visitor; after two witnesses for an upcoming grand jury case are murdered, the team must track down the killers before it's too late.

In 1988, motorists discover human body parts dumped along the highway.

Desperate to reset the way the world sees him, Officer Thorsen reluctantly decides to be a part of a reality show to help rebrand his image; the show's producer is found murdered and the team must investigate before Aaron is made suspect number one.

In 1990, Gainesville, Fla., becomes the site of a number of coed murders.

Now that John Nolan knows about Bailey's past, he must decide if they still have a future; when a plane crashes in the middle of the city, the team races to find out why.

In 1988, motorists discover human body parts dumped along the highway.

In 1990, Gainesville, Fla., becomes the site of a number of coed murders.

The disappearance of millionaire Frank Black.

Bobby meets Athena's parents for the first time; Maddie attempts to end her marriage for good, causing Doug to insinuate himself even deeper into Chimney's life.

Chief Boden unwillingly agrees to let Dawson and Brett go under cover; Kidd and Zach's relationship hits a bump; Cruz has a hard time expressing his true feelings for Brett.

Chimney's history at Station 118 is explored as he works hard to become the paramedic and firefighter he is known to be.

After responding to a car accident, Casey and Dawson become skeptical when a domineering husband continues to answer for his injured wife; Cruz is frustrated with Herrmann and Mouch; Kidd uncovers something meaningful to Severide.

The first responders rally together to search for a missing Maddie.

Otis and Kidd's lives are put in jeopardy when there's gunfire inside a house; Dawson comforts Brett during an especially trying time; Casey begins to notice that romance might be going on within the firehouse.

The call center is hit with a system-wide power outage and must go old school to respond to emergencies; the first responders must deal with explosions in multiple homes and a difficult childbirth; Michael confronts Bobby about parenting his kids.

The crew struggles to come to terms with an injury to one of their own; a temporary replacement must be dealt with; Boden ponders some interesting news; Kidd has a hard time keeping a secret.

When a going-away party for a bank manager turns into an emergency, the first responders are accused of pulling off a daring heist.

Boden has a lapse in judgment in the aftermath of rescuing a young boy; Kidd struggles to win the approval of Severide's mom after a surprise visit; Otis takes on new responsibilities at the firehouse.

After his devastating family tragedy in Minnesota, Bobby Nash moves to Los Angeles to start over, where he becomes captain of the 118 and meets Athena Grant for the first time.

When the FBI takes over the firehouse for an undercover mission, Casey and Severide volunteer to assist with the investigation; Kidd attempts to help Severide come to terms with recent developments he's been managing.

The first responders deal with a calamity at a chocolate factory; a mail bomb explosion; Eddie receives some surprising news from Shannon; Maddie contemplates her future in the call center.

The team responds to a residential fire at a property belonging to a drug cartel; a hefty amount of money is missing from the crime scene; Kidd makes a big decision.

Bobby meets Athena's parents for the first time; Maddie attempts to end her marriage for good, causing Doug to insinuate himself even deeper into Chimney's life.

Chief Boden unwillingly agrees to let Dawson and Brett go under cover; Kidd and Zach's relationship hits a bump; Cruz has a hard time expressing his true feelings for Brett.

Chimney's history at Station 118 is explored as he works hard to become the paramedic and firefighter he is known to be.

After responding to a car accident, Casey and Dawson become skeptical when a domineering husband continues to answer for his injured wife; Cruz is frustrated with Herrmann and Mouch; Kidd uncovers something meaningful to Severide.

The first responders rally together to search for a missing Maddie.

Otis and Kidd's lives are put in jeopardy when there's gunfire inside a house; Dawson comforts Brett during an especially trying time; Casey begins to notice that romance might be going on within the firehouse.

The call center is hit with a system-wide power outage and must go old school to respond to emergencies; the first responders must deal with explosions in multiple homes and a difficult childbirth; Michael confronts Bobby about parenting his kids.

The crew struggles to come to terms with an injury to one of their own; a temporary replacement must be dealt with; Boden ponders some interesting news; Kidd has a hard time keeping a secret.

When a going-away party for a bank manager turns into an emergency, the first responders are accused of pulling off a daring heist.

Boden has a lapse in judgment in the aftermath of rescuing a young boy; Kidd struggles to win the approval of Severide's mom after a surprise visit; Otis takes on new responsibilities at the firehouse.

When the FBI takes over the firehouse for an undercover mission, Casey and Severide volunteer to assist with the investigation; Kidd attempts to help Severide come to terms with recent developments he's been managing.

After his devastating family tragedy in Minnesota, Bobby Nash moves to Los Angeles to start over, where he becomes captain of the 118 and meets Athena Grant for the first time.

The team responds to a residential fire at a property belonging to a drug cartel; a hefty amount of money is missing from the crime scene; Kidd makes a big decision.

The first responders deal with a calamity at a chocolate factory; a mail bomb explosion; Eddie receives some surprising news from Shannon; Maddie contemplates her future in the call center.

Chief Boden unwillingly agrees to let Dawson and Brett go under cover; Kidd and Zach's relationship hits a bump; Cruz has a hard time expressing his true feelings for Brett.

Bobby meets Athena's parents for the first time; Maddie attempts to end her marriage for good, causing Doug to insinuate himself even deeper into Chimney's life.

After responding to a car accident, Casey and Dawson become skeptical when a domineering husband continues to answer for his injured wife; Cruz is frustrated with Herrmann and Mouch; Kidd uncovers something meaningful to Severide.

Chimney's history at Station 118 is explored as he works hard to become the paramedic and firefighter he is known to be.

Otis and Kidd's lives are put in jeopardy when there's gunfire inside a house; Dawson comforts Brett during an especially trying time; Casey begins to notice that romance might be going on within the firehouse.

The first responders rally together to search for a missing Maddie.

The crew struggles to come to terms with an injury to one of their own; a temporary replacement must be dealt with; Boden ponders some interesting news; Kidd has a hard time keeping a secret.

The call center is hit with a system-wide power outage and must go old school to respond to emergencies; the first responders must deal with explosions in multiple homes and a difficult childbirth; Michael confronts Bobby about parenting his kids.

Boden has a lapse in judgment in the aftermath of rescuing a young boy; Kidd struggles to win the approval of Severide's mom after a surprise visit; Otis takes on new responsibilities at the firehouse.

When a going-away party for a bank manager turns into an emergency, the first responders are accused of pulling off a daring heist.

In 1988, motorists discover human body parts dumped along the highway.

In 1990, Gainesville, Fla., becomes the site of a number of coed murders.

Two women have lived next door to each other since childhood; one of the women's ex-husband begins seeing the other, leading to a conflict; when property disputes are mixed in, the result is an act of violence that engulfs them all.

CSIs determine that a girl's ex-husband had his parents assassinate her.

Explosive experts sifting through bomb evidence discover a more insidious plan.

A new recruit, Raf, joins the team on one of the toughest days of the year.

A private school owner is kidnapped.

Two women have lived next door to each other since childhood; one of the women's ex-husband begins seeing the other, leading to a conflict; when property disputes are mixed in, the result is an act of violence that engulfs them all.

Chief Boden unwillingly agrees to let Dawson and Brett go under cover; Kidd and Zach's relationship hits a bump; Cruz has a hard time expressing his true feelings for Brett.

An abandoned suitcase containing a young woman's body, leads to a mystery of a second woman missing too.

After responding to a car accident, Casey and Dawson become skeptical when a domineering husband continues to answer for his injured wife; Cruz is frustrated with Herrmann and Mouch; Kidd uncovers something meaningful to Severide.

A new recruit, Raf, joins the team on one of the toughest days of the year.

Otis and Kidd's lives are put in jeopardy when there's gunfire inside a house; Dawson comforts Brett during an especially trying time; Casey begins to notice that romance might be going on within the firehouse.

Two women have lived next door to each other since childhood; one of the women's ex-husband begins seeing the other, leading to a conflict; when property disputes are mixed in, the result is an act of violence that engulfs them all.

The crew struggles to come to terms with an injury to one of their own; a temporary replacement must be dealt with; Boden ponders some interesting news; Kidd has a hard time keeping a secret.

A new recruit, Raf, joins the team on one of the toughest days of the year.

Boden has a lapse in judgment in the aftermath of rescuing a young boy; Kidd struggles to win the approval of Severide's mom after a surprise visit; Otis takes on new responsibilities at the firehouse.

An abandoned suitcase containing a young woman's body, leads to a mystery of a second woman missing too.

When the FBI takes over the firehouse for an undercover mission, Casey and Severide volunteer to assist with the investigation; Kidd attempts to help Severide come to terms with recent developments he's been managing.

The team responds to a residential fire at a property belonging to a drug cartel; a hefty amount of money is missing from the crime scene; Kidd makes a big decision.

Chief Boden unwillingly agrees to let Dawson and Brett go under cover; Kidd and Zach's relationship hits a bump; Cruz has a hard time expressing his true feelings for Brett.

After responding to a car accident, Casey and Dawson become skeptical when a domineering husband continues to answer for his injured wife; Cruz is frustrated with Herrmann and Mouch; Kidd uncovers something meaningful to Severide.

Otis and Kidd's lives are put in jeopardy when there's gunfire inside a house; Dawson comforts Brett during an especially trying time; Casey begins to notice that romance might be going on within the firehouse.

The crew struggles to come to terms with an injury to one of their own; a temporary replacement must be dealt with; Boden ponders some interesting news; Kidd has a hard time keeping a secret.

Boden has a lapse in judgment in the aftermath of rescuing a young boy; Kidd struggles to win the approval of Severide's mom after a surprise visit; Otis takes on new responsibilities at the firehouse.

When the FBI takes over the firehouse for an undercover mission, Casey and Severide volunteer to assist with the investigation; Kidd attempts to help Severide come to terms with recent developments he's been managing.

Martin and Vicki are confronted by their corporate shortcomings; Susi and Terry concoct a plan to keep Mony off their trail.

The team responds to a residential fire at a property belonging to a drug cartel; a hefty amount of money is missing from the crime scene; Kidd makes a big decision.

Bumpy Johnson must protect the Italian mob when Joseph Bonanno decides to abolish the Commission; captain Omar takes his campaign against Malcolm X to a new level.

Chief Boden unwillingly agrees to let Dawson and Brett go under cover; Kidd and Zach's relationship hits a bump; Cruz has a hard time expressing his true feelings for Brett.

Bumpy Johnson must fend off rivals to receive the largest dope shipment in New York history, while Harlem explodes into riot; Malcolm X reluctantly agrees to protection from an unusual source.

After responding to a car accident, Casey and Dawson become skeptical when a domineering husband continues to answer for his injured wife; Cruz is frustrated with Herrmann and Mouch; Kidd uncovers something meaningful to Severide.

Boden takes a big step in the pursuit of a major career decision; Kidd becomes increasingly distrustful of Renee's motives with Severide; Herrmann has trouble bouncing back after a tragedy.

Otis and Kidd's lives are put in jeopardy when there's gunfire inside a house; Dawson comforts Brett during an especially trying time; Casey begins to notice that romance might be going on within the firehouse.

Martin and Vicki are confronted by their corporate shortcomings; Susi and Terry concoct a plan to keep Mony off their trail.

The crew struggles to come to terms with an injury to one of their own; a temporary replacement must be dealt with; Boden ponders some interesting news; Kidd has a hard time keeping a secret.

Boden has a lapse in judgment in the aftermath of rescuing a young boy; Kidd struggles to win the approval of Severide's mom after a surprise visit; Otis takes on new responsibilities at the firehouse.

Conan O'Brien gets us ready for the Oscars and we profile Academy Award nominee Ruth E. Carter.Guests: Conan O'Brien, Ruth E. Carter..

Bumpy Johnson must protect the Italian mob when Joseph Bonanno decides to abolish the Commission; captain Omar takes his campaign against Malcolm X to a new level.

CSIs determine that a girl's ex-husband had his parents assassinate her.

Bumpy Johnson must fend off rivals to receive the largest dope shipment in New York history, while Harlem explodes into riot; Malcolm X reluctantly agrees to protection from an unusual source.

Explosive experts sifting through bomb evidence discover a more insidious plan.

Two women have lived next door to each other since childhood; one of the women's ex-husband begins seeing the other, leading to a conflict; when property disputes are mixed in, the result is an act of violence that engulfs them all.

An abandoned suitcase containing a young woman's body, leads to a mystery of a second woman missing too.

A new recruit, Raf, joins the team on one of the toughest days of the year.

Two women have lived next door to each other since childhood; one of the women's ex-husband begins seeing the other, leading to a conflict; when property disputes are mixed in, the result is an act of violence that engulfs them all.

An abandoned suitcase containing a young woman's body, leads to a mystery of a second woman missing too.

A new recruit, Raf, joins the team on one of the toughest days of the year.

Two women have lived next door to each other since childhood; one of the women's ex-husband begins seeing the other, leading to a conflict; when property disputes are mixed in, the result is an act of violence that engulfs them all.

A new recruit, Raf, joins the team on one of the toughest days of the year.

An abandoned suitcase containing a young woman's body, leads to a mystery of a second woman missing too.

After saving a girl from a car accident, Boden and Severide receive a surprise package; Brett struggles to keep quiet about Cruz reacquainting with his now-married high school sweetheart; a crisis brings Bria back into Dawson's life.

Lt. Severide is shocked when Rene Royce resurfaces; Casey comes up with a plan to help Chief Boden in his latest pursuit; Kidd regrets a decision she made regarding Severide; Herrmann clashes with Lt. Colannino over their son's basketball team.

Boden takes a big step in the pursuit of a major career decision; Kidd becomes increasingly distrustful of Renee's motives with Severide; Herrmann has trouble bouncing back after a tragedy.

Boden's chances for a promotion are met with potential complications; Dawson and Casey don't see eye to eye on an important decision; Kidd finds herself struggling to find time with Severide; Brett and Dawson respond to a tough call.

Reeling from Dawson's continued absence, Casey makes a rash move during a rescue, while Brett struggles with a series of replacement partners; meanwhile, Boden faces scrutiny from Commissioner Grissom, who sends his deputy to monitor Firehouse 51.

Firehouse 51 bands together to fight a raging fire on the 20th floor of the residential high-rise where Jay and Will Halstead's father lives and has gone missing; in the midst of the chaos, Brett learns unsettling information about her new partner.

Martin and Vicki are confronted by their corporate shortcomings; Susi and Terry concoct a plan to keep Mony off their trail.

Bumpy Johnson must protect the Italian mob when Joseph Bonanno decides to abolish the Commission; captain Omar takes his campaign against Malcolm X to a new level.

Bumpy Johnson must fend off rivals to receive the largest dope shipment in New York history, while Harlem explodes into riot; Malcolm X reluctantly agrees to protection from an unusual source.

Boden takes a big step in the pursuit of a major career decision; Kidd becomes increasingly distrustful of Renee's motives with Severide; Herrmann has trouble bouncing back after a tragedy.

Martin and Vicki are confronted by their corporate shortcomings; Susi and Terry concoct a plan to keep Mony off their trail.

Conan O'Brien gets us ready for the Oscars and we profile Academy Award nominee Ruth E. Carter.Guests: Conan O'Brien, Ruth E. Carter..

Bumpy Johnson must protect the Italian mob when Joseph Bonanno decides to abolish the Commission; captain Omar takes his campaign against Malcolm X to a new level.

Bumpy Johnson must fend off rivals to receive the largest dope shipment in New York history, while Harlem explodes into riot; Malcolm X reluctantly agrees to protection from an unusual source.