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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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

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.

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.

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.

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.

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.

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

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.

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..

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.

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.

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.

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.

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.

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.

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

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.

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

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.

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

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.

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.

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.

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.

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.

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

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.

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.

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.

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

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.

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

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.

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.

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.

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.

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.

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.

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 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 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.

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

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.