Marcel and Charles treat Lieu's gym buddy; Maggie and Halstead help a robbery-homicide suspect; Asher and Archer use Med's new opiate abuse AI program.

Goodwin, Maggie and Marcel help victims of a hit-and-run accident; Halstead struggles to diagnose a patient with seizures; Asher and Archer clash with Jack Dayton.

A brutal storm rocks Chicago; Halstead encourages Dr. Grace Song to go against her own findings for the benefit of their patient; Asher rushes to the hospital to help Archer's pregnant patient; Maggie's concern for Ben consumes her.

The hospital is in disarray when the janitors go on strike; Marcel treats a young girl injured on her family's farm; Charles and Cuevas' schizophrenic patient returns to Med; Archer encounters a patient with foreign material in her stomach.

Halstead and Cuevas struggle to diagnose a patient with a rare disorder; CFD and Med staff work to free a paranoid father trapped in the MRI suite; Tanaka-Reed gets an ego check.

As Mary Jane recovers, the Van Lews prepare to transport Robert Ford across the border to safety in the North; this is Elizabeth's last underground railroad duty; Katey spies on Clara entertaining and thinks of selling her body.

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.

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.

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 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.

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.

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.

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

Martin Best is a brilliant surgeon who abruptly leaves his illustrious career in Boston to become the general practitioner in a quaint East Coast fishing village where he spent summers as a child. Unfortunately, Martin's blunt and borderline rude bedside manner rubs the quirky, needy locals the wrong way, and he quickly alienates the town, even though he's all they've got. Although Martin can expertly address any medical ailment or mystery in this idiosyncratic town, he's really just desperate to be left the hell alone. Instead, he keeps getting dragged right smack into the middle of their personal chaos, feuds and fantasies. What the locals don't know is that Martin's terse demeanor masks a debilitating new phobia and deep-seated psychological issues that prevent him from experiencing true intimacy with anyone. But tenacity is the creed of everyone in their small village, and the people who live there may be exactly what the doctor ordered.

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.

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 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.

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.

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.

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

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.

Martin Best is a brilliant surgeon who abruptly leaves his illustrious career in Boston to become the general practitioner in a quaint East Coast fishing village where he spent summers as a child. Unfortunately, Martin's blunt and borderline rude bedside manner rubs the quirky, needy locals the wrong way, and he quickly alienates the town, even though he's all they've got. Although Martin can expertly address any medical ailment or mystery in this idiosyncratic town, he's really just desperate to be left the hell alone. Instead, he keeps getting dragged right smack into the middle of their personal chaos, feuds and fantasies. What the locals don't know is that Martin's terse demeanor masks a debilitating new phobia and deep-seated psychological issues that prevent him from experiencing true intimacy with anyone. But tenacity is the creed of everyone in their small village, and the people who live there may be exactly what the doctor ordered.

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.

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.

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 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.

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.

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.

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.

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

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 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.

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.

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.

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.

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

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.

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.

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

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.

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

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.

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

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.

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.

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 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.

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.

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.

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.

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.

Losing one's memory is a devastating hammer blow for anyone, but for Angelo, the stakes couldn't be higher. His hit man job would be perilous enough, but there's an added pressure: Angelo lives two totally separate lives - fearsome NYC hitman, and sleepy upstate Cooperstown photocopier salesman and father. Having built and maintained a brick wall between his two worlds, Angelo has seamlessly juggled and compartmentalized for years. But now that's all about to change, because Alzheimer's is a foe he can't outrun, and he knows too well how this ends, as his older brother is already lost to the 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.

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.

Losing one's memory is a devastating hammer blow for anyone, but for Angelo, the stakes couldn't be higher. His hit man job would be perilous enough, but there's an added pressure: Angelo lives two totally separate lives - fearsome NYC hitman, and sleepy upstate Cooperstown photocopier salesman and father. Having built and maintained a brick wall between his two worlds, Angelo has seamlessly juggled and compartmentalized for years. But now that's all about to change, because Alzheimer's is a foe he can't outrun, and he knows too well how this ends, as his older brother is already lost to the condition.

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.

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.

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.

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.

When District 21 goes after a Colombian drug gang following a series of brutal slayings, an asset in the investigation emerges.

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

Antonio believes a Colombian gang is involved in his son's kidnapping; Halstead learns new information about Lindsay; Voight offers Antonio a new way to get information about Diego's whereabouts.

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

Voight and the team check out a house that has been associated with a series of gangs; people from the past cause Halstead's temper to rise.

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.

Olinsky tries to protect his daughter; a counterfeiting operation is investigated; when a hoarder is arrested, more than clutter is uncovered.

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

Atwater and Burgess must keep their new patrol car in mint condition; the Intelligence Unit uncovers drug smuggling; Voight's behavior toward Lindsay drives her right where he doesn't want her; tensions rise between Olinsky and Ruzek.

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.

New York's SVU agents Fin and Rollins help track down a serial killer who rapes his victims; Burgess gets an opportunity to prove herself; Lindsay brings Halstead as her date to her high school reunion.

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.

Voight's son may be involved with the Fitori murder case, intensifying tension between Antonio and Voight; Ruzek helps Burgess get retribution.

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.

When District 21 goes after a Colombian drug gang following a series of brutal slayings, an asset in the investigation emerges.

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

Antonio believes a Colombian gang is involved in his son's kidnapping; Halstead learns new information about Lindsay; Voight offers Antonio a new way to get information about Diego's whereabouts.

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

Voight and the team check out a house that has been associated with a series of gangs; people from the past cause Halstead's temper to rise.

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.

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.

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

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.

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.

Olinsky tries to protect his daughter; a counterfeiting operation is investigated; when a hoarder is arrested, more than clutter is uncovered.

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 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.

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.

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.

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

Antonio believes a Colombian gang is involved in his son's kidnapping; Halstead learns new information about Lindsay; Voight offers Antonio a new way to get information about Diego's whereabouts.

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

Voight and the team check out a house that has been associated with a series of gangs; people from the past cause Halstead's temper to rise.

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.

Olinsky tries to protect his daughter; a counterfeiting operation is investigated; when a hoarder is arrested, more than clutter is uncovered.

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

Atwater and Burgess must keep their new patrol car in mint condition; the Intelligence Unit uncovers drug smuggling; Voight's behavior toward Lindsay drives her right where he doesn't want her; tensions rise between Olinsky and Ruzek.

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

New York's SVU agents Fin and Rollins help track down a serial killer who rapes his victims; Burgess gets an opportunity to prove herself; Lindsay brings Halstead as her date to her high school reunion.

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

Voight's son may be involved with the Fitori murder case, intensifying tension between Antonio and Voight; Ruzek helps Burgess get retribution.

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 private school owner is kidnapped.

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.

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.

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.

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

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.

An American brother and sister travel to Sydney, looking to grow their spray tan business.

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 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.

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.

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.

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

An American brother and sister travel to Sydney, looking to grow their spray tan business.

Conan O'Brien gets us ready for the Oscars and we profile Academy Award nominee 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.

Two neighboring bachelors start out as friends; harmless banter turns into threats eventually igniting an escalating war; the violence ends with a murder so shocking it is almost beyond belief.

The murder of a gay couple in rural California leads investigators into the world of hate crimes.

Spike must leave his dying father to help Team One face a bomb threat.

Two neighboring bachelors start out as friends; harmless banter turns into threats eventually igniting an escalating war; the violence ends with a murder so shocking it is almost beyond belief.

The murder of a gay couple in rural California leads investigators into the world of hate crimes.

Spike must leave his dying father to help Team One face a bomb threat.

Two neighboring bachelors start out as friends; harmless banter turns into threats eventually igniting an escalating war; the violence ends with a murder so shocking it is almost beyond belief.

Spike must leave his dying father to help Team One face a bomb threat.

The murder of a gay couple in rural California leads investigators into the world of hate crimes.

Ethan finds himself at odds with Natalie and Sharon when it comes to the treatment of a troubled teenager who's just given birth; Dr. Halstead treats a hypochondriac with an overbearing wife.

Dr. Connor Rhodes is reunited with his sister as he treats a family friend; Dr. Natalie Manning must persuade a young musician to undergo a life-saving surgery that could destroy her hearing.

The doctors treat those injured in a movie theater shooting; Natalie asks Daniel for help treating a teenager with an eating disorder; a patient surprises everyone.

Rhodes and Zanetti race to save a member of Firehouse 51; April's brother struggles during his first day at the hospital; a woman saved from a burning building leads to a bigger mystery.

Airplane stowaways are brought to the hospital with significant injuries; Cornelius Rhodes (D.W. Moffett) is honored after making a large donation to the hospital; Dr. Manning's mother-in-law (Annie Potts) misunderstands Dr. Halstead's intentions.

A patient's life is in jeopardy when legal issues complicate an essential bone marrow transplant; Dr. Charles comes to an unusual conclusion about a homeless man's recent behavior; Dr. Manning's parents visit; victims of a hit-and-run accident.

After returning from maternity leave, Dr. Manning helps treat a teenager with an extensive history of medical issues; Dr. Choi goes above and beyond when a former Navy shipmate has a potentially life-threatening ailment.

Grieving Tadpole, the Van Lew's ensure his death is not in vain; after his funeral, Mary Jane confides to Elizabeth and Eliza an idea for retribution against the Confederacy.

Dr. Connor Rhodes is reunited with his sister as he treats a family friend; Dr. Natalie Manning must persuade a young musician to undergo a life-saving surgery that could destroy her hearing.

The doctors treat those injured in a movie theater shooting; Natalie asks Daniel for help treating a teenager with an eating disorder; a patient surprises everyone.

Rhodes and Zanetti race to save a member of Firehouse 51; April's brother struggles during his first day at the hospital; a woman saved from a burning building leads to a bigger mystery.

Airplane stowaways are brought to the hospital with significant injuries; Cornelius Rhodes (D.W. Moffett) is honored after making a large donation to the hospital; Dr. Manning's mother-in-law (Annie Potts) misunderstands Dr. Halstead's intentions.

A patient's life is in jeopardy when legal issues complicate an essential bone marrow transplant; Dr. Charles comes to an unusual conclusion about a homeless man's recent behavior; Dr. Manning's parents visit; victims of a hit-and-run accident.

Grieving Tadpole, the Van Lew's ensure his death is not in vain; after his funeral, Mary Jane confides to Elizabeth and Eliza an idea for retribution against the Confederacy.

A couple escapes the dangers of the big city and moves to the country; however, they begin to suspect their new neighbors are involved in the drug trade, leading to a bloody conflict with children caught in the crossfire.

Investigators are drawn into the dark world of high-end prostitution, illegal aliens and Russian organized crime.

Ed reaches the auditorium of a high school, where a boy is about to commit suicide.

A couple escapes the dangers of the big city and moves to the country; however, they begin to suspect their new neighbors are involved in the drug trade, leading to a bloody conflict with children caught in the crossfire.

Investigators are drawn into the dark world of high-end prostitution, illegal aliens and Russian organized crime.

Ed reaches the auditorium of a high school, where a boy is about to commit suicide.

A couple escapes the dangers of the big city and moves to the country; however, they begin to suspect their new neighbors are involved in the drug trade, leading to a bloody conflict with children caught in the crossfire.

Ed reaches the auditorium of a high school, where a boy is about to commit suicide.

Investigators are drawn into the dark world of high-end prostitution, illegal aliens and Russian organized crime.

A stunt driver is caught in a hairy situation; a teenage social influencer is bugging out; the city is on high alert after two mail bombs go off; Eddie's family comes to town; Buck faces a life-or-death situation.

A teenager speeds out of control on the freeway; a routine traffic stop uncovers a shocking kidnapping; Buck struggles with his recovery.

A massive tsunami hits the Santa Monica Pier, jeopardizing the lives of both Buck and Christopher.

A massive tsunami hits the Santa Monica Pier; Buck fears the worst when Christopher goes missing.

The team races to save workers in a high-rise during a fire drill, car accident victims, and siblings fighting over a family heirloom; Buck gives Bobby surprising news; Eddie helps Christopher deal with the trauma caused by the tsunami.

The 118 races to help protesters at a slaughter house and a wife who finds herself trapped in a "rage room" with her husband's mistress; Athena takes action after Michael, May and Harry experience a traumatic traffic stop.

Athena and the 118 respond to bizarre emergency calls on Halloween, including a flock of crows terrorizing a field trip, an office employee having a close encounter with an eight-limbed creature and a ghost-like girl wandering a neighborhood.

One local teacher, Louisa Gavin, questions Martin's harsh demeanor; Martin quickly gets annoyed by the antics of the town locals.

A stunt driver is caught in a hairy situation; a teenage social influencer is bugging out; the city is on high alert after two mail bombs go off; Eddie's family comes to town; Buck faces a life-or-death situation.

After Martin comes face to face with his childhood bully and diagnoses a potentially contagious illness, he is forced to cancel Port Wenn's monthly baked bean supper, angering everyone in the town.

A teenager speeds out of control on the freeway; a routine traffic stop uncovers a shocking kidnapping; Buck struggles with his recovery.

A massive tsunami hits the Santa Monica Pier, jeopardizing the lives of both Buck and Christopher.

A massive tsunami hits the Santa Monica Pier; Buck fears the worst when Christopher goes missing.

The team races to save workers in a high-rise during a fire drill, car accident victims, and siblings fighting over a family heirloom; Buck gives Bobby surprising news; Eddie helps Christopher deal with the trauma caused by the tsunami.

The 118 races to help protesters at a slaughter house and a wife who finds herself trapped in a "rage room" with her husband's mistress; Athena takes action after Michael, May and Harry experience a traumatic traffic stop.

Athena and the 118 respond to bizarre emergency calls on Halloween, including a flock of crows terrorizing a field trip, an office employee having a close encounter with an eight-limbed creature and a ghost-like girl wandering a neighborhood.

A stunt driver is caught in a hairy situation; a teenage social influencer is bugging out; the city is on high alert after two mail bombs go off; Eddie's family comes to town; Buck faces a life-or-death situation.

A firefighter moves into a family-friendly neighborhood with his wife and child, but the rambunctious teenagers living next door drive him over the edge.

Ontario police conduct a manhunt for the prime suspects in four brutal murders.

Team One is drawn into a dangerous world of express kidnapping when a ransom drop goes wrong.

A firefighter moves into a family-friendly neighborhood with his wife and child, but the rambunctious teenagers living next door drive him over the edge.

Ontario police conduct a manhunt for the prime suspects in four brutal murders.

Team One is drawn into a dangerous world of express kidnapping when a ransom drop goes wrong.

A firefighter moves into a family-friendly neighborhood with his wife and child, but the rambunctious teenagers living next door drive him over the edge.

Team One is drawn into a dangerous world of express kidnapping when a ransom drop goes wrong.

Ontario police conduct a manhunt for the prime suspects in four brutal murders.

Dr. Halstead's career is in jeopardy when he revives a terminally ill patient, despite an order to not resuscitate; a patient inspires Dr. Choi to seek advice from Dr. Charles; everyone is shocked by a revelation about a member of the staff.

A 9/11 hero with pulmonary fibrosis needs a new set of lungs; Sarah considers hospitals for her residency match; April and Maggie want to remain at Chicago Med; a teenage hockey player with an overbearing father is injured.

A patient with a life-threatening heart condition makes a decision that puts Rhodes and Choi at odds; the lawsuit against Halstead moves forward; a patient who was misdiagnosed has a flesh-eating bacterial disease; a girl with a contagious bacteria.

Nurse Lockwood is arrested for refusing to do a DUI blood test on a patient without his consent; Dr. Halstead discusses his impending lawsuit with his lawyer; Dr. Manning and Sharon Goodwin raise concerns about the nature of a baby's injuries.

A husband has an unusual request after the death of his wife; Dr. Charles tries to deal with a patient who wants to cut off his own arm; Dr. Rhodes is concerned about possible complications for a boy who swallowed magnets.

Dr. Choi is tested when an erratic patient takes drastic measures; Dr. Manning questions the circumstances behind a young boy's broken wrist.

A patient refuses medication for her pain; Dr. Halstead treats a former high school classmate; a pregnant woman has a big reason not to deliver her child.

When the body of a devout Catholic divorcee is found in her smalltown Pennsylvania home, detectives must connect the dots between a silver van, a .32-caliber shell casing, and a bonanza of envelopes stuffed with cash.

A 9/11 hero with pulmonary fibrosis needs a new set of lungs; Sarah considers hospitals for her residency match; April and Maggie want to remain at Chicago Med; a teenage hockey player with an overbearing father is injured.

A patient with a life-threatening heart condition makes a decision that puts Rhodes and Choi at odds; the lawsuit against Halstead moves forward; a patient who was misdiagnosed has a flesh-eating bacterial disease; a girl with a contagious bacteria.

Nurse Lockwood is arrested for refusing to do a DUI blood test on a patient without his consent; Dr. Halstead discusses his impending lawsuit with his lawyer; Dr. Manning and Sharon Goodwin raise concerns about the nature of a baby's injuries.

A husband has an unusual request after the death of his wife; Dr. Charles tries to deal with a patient who wants to cut off his own arm; Dr. Rhodes is concerned about possible complications for a boy who swallowed magnets.

Dr. Choi is tested when an erratic patient takes drastic measures; Dr. Manning questions the circumstances behind a young boy's broken wrist.

A patient refuses medication for her pain; Dr. Halstead treats a former high school classmate; a pregnant woman has a big reason not to deliver her child.

When the body of a devout Catholic divorcee is found in her smalltown Pennsylvania home, detectives must connect the dots between a silver van, a .32-caliber shell casing, and a bonanza of envelopes stuffed with cash.

A young family builds their dream home in the Kentucky Hills, but their slice of heaven turns into a hellish experience for the quiet couple living next door; a dispute over a shared road leads to fireworks, fury and cold-blooded murder.

A nurse is the main suspect of five bodies found in a wooded area in central Florida.

Ed gambles with his own safety; Robyn drains her family bank accounts to help Dan get out of debt; Dan confesses his love for Robyn.

A young family builds their dream home in the Kentucky Hills, but their slice of heaven turns into a hellish experience for the quiet couple living next door; a dispute over a shared road leads to fireworks, fury and cold-blooded murder.

A nurse is the main suspect of five bodies found in a wooded area in central Florida.

Ed gambles with his own safety; Robyn drains her family bank accounts to help Dan get out of debt; Dan confesses his love for Robyn.

A young family builds their dream home in the Kentucky Hills, but their slice of heaven turns into a hellish experience for the quiet couple living next door; a dispute over a shared road leads to fireworks, fury and cold-blooded murder.

Ed gambles with his own safety; Robyn drains her family bank accounts to help Dan get out of debt; Dan confesses his love for Robyn.

A nurse is the main suspect of five bodies found in a wooded area in central Florida.

Danny, Sarah and Lena race to stop a looming threat on St. Patrick's Day; homesickness sparks a family gathering; Lena's personal life takes a hopeful turn.

The team is called to investigate a train robbery; Officer Chen has doubts about being Sgt. Bradford's aid; Officer Harper takes matters into her own hands and makes a life-changing decision about her personal life.

Officer Nolan and the LA division of the FBI enlist the help of FBI trainee Simone Clark when one of her former students is suspected of terrorism following an explosion at a local power station.

The team, alongside the LA division of the FBI, is in a race to stop bombs that have been scattered throughout the city by a suspected terrorist; the joint task force is suspicious of the CIA's involvement in the situation.

Sgt. Grey supports Officer Nolan's desire to become a training officer and offers to ride with him for the day to get him ready; Tim and Lucy decide on their plans for Mother's Day and a romantic vacation.