Homicide investigators are convinced an apparent murder-suicide was staged but the experienced CSI on the scene disagrees; only the instincts of the cops, coupled with an outside forensic expert's opinion, convince authorities who the real killer is.

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

Two Altadena, Calif., families fear for their lives when an LAPD cop moves in next door.

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

The Duprees, a powerful and prestigious multi-generational family that is the very definition of Black royalty, live, love, work and play in a leafy Maryland suburb just outside of Washington D.C.

When a subway train goes off the tracks, Marcel volunteers to help the victims; Taylor and Halstead must decide if they're willing to risk their jobs to save a patient; Asher and Archer clash over a pregnant patient.

Casey must decide whether to turn in a cop's son who paralyzed a teen in a drunken-driving accident; Severide learns he has a fractured vertebra; Mills is torn between his mother and the job.

The effects of the supply chain shortages continue to impact the ED when Taylor's drug dealer reappears; one of the victims of the recent train crash needs a transplant, forcing Marcel to improvise; Charles and Cuevas help a patient with amnesia.

Chief Boden faces accusations that he abandoned a homeless man to die in a warehouse fire; Severide helps an elderly woman; Detective Voight tries to convince Casey not to testify against his son; Shay has to face her ex during a call.

Marcel adjusts to his newfound fame when he helps Halstead treat a local restaurant owner; Choi, Charles and Goodwin aid a new mother who is worried about hurting her baby; Maggie and Taylor clash with a patient who is eager to get back to work.

Casey must face the consequences of confronting Detective Voight; Dawson faces disciplinary action; Severide reaches out to an old friend about his injury.

Med runs out of scrubs, forcing the staff to improvise; the life of Archer's son is in danger; Marcel and Charles help a kidney transplant patient experiencing psychosis; Asher and Halstead grow closer.

Dawson receives help from a girl she saved; Detective Voight is determined to get Casey to retract his statement.

Halstead and Marcel facilitate a trans-organ exchange; Asher and Cuevas help a sexual assault survivor; Choi and Archer treat a patient whose case could expose a fraudulent doctor; Grant and Maggie take a trip down memory lane.

The Firehouse 51 crew has a Thanksgiving to remember when drugs, a car accident, and a gang shooting get in the way of traditional holiday pastimes.

Peter is deeply upset when a young victim is discovered at the site of a train accident; an abusive mother takes dire actions; Severide's injury is aggravated.

Jose Vargas is forced to go on disability after sustaining an injury in a fire; Severide receives a tempting invitation from a woman he saved from a car crash; Cruz tries to end his brother's involvement with a gang.

The designers are challenged with creating a design worthy of Oz! Meanwhile, friendships are tested when drama unfolds on the runway.

Chief Boden faces accusations that he abandoned a homeless man to die in a warehouse fire; Severide helps an elderly woman; Detective Voight tries to convince Casey not to testify against his son; Shay has to face her ex during a call.

Casey must face the consequences of confronting Detective Voight; Dawson faces disciplinary action; Severide reaches out to an old friend about his injury.

Dawson receives help from a girl she saved; Detective Voight is determined to get Casey to retract his statement.

The Firehouse 51 crew has a Thanksgiving to remember when drugs, a car accident, and a gang shooting get in the way of traditional holiday pastimes.

Peter is deeply upset when a young victim is discovered at the site of a train accident; an abusive mother takes dire actions; Severide's injury is aggravated.

Casey must decide whether to turn in a cop's son who paralyzed a teen in a drunken-driving accident; Severide learns he has a fractured vertebra; Mills is torn between his mother and the job.

The designers are challenged with creating a design worthy of Oz! Meanwhile, friendships are tested when drama unfolds on the runway.

An elite California lakeside community is shaken when two well-to-do gentlemen go to war over a one-inch property line discrepancy; one neighbor takes the dispute to new heights when he hires a hit man to solve the problem permanently.

Police struggle to identify the body of a woman found floating in the Indian River; with only a piece of nautical rope, a strip of duct tape and some plastic bags to go on, they use every forensic tool they have to catch her killer.

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.

An elite California lakeside community is shaken when two well-to-do gentlemen go to war over a one-inch property line discrepancy; one neighbor takes the dispute to new heights when he hires a hit man to solve the problem permanently.

Police struggle to identify the body of a woman found floating in the Indian River; with only a piece of nautical rope, a strip of duct tape and some plastic bags to go on, they use every forensic tool they have to catch her killer.

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.

An elite California lakeside community is shaken when two well-to-do gentlemen go to war over a one-inch property line discrepancy; one neighbor takes the dispute to new heights when he hires a hit man to solve the problem permanently.

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.

Nicole learns something disturbing; Anita and Vernon grow increasingly worried about the state of affairs in their family; Vanessa spies Bill and Joey with their heads together and demands answers; Leslie seeks out information regarding her mother.

Starting over isn't easy, especially for small-town guy John Nolan, who, after a life-altering incident, is pursuing his dream of becoming an LAPD officer. As the force's oldest rookie, he's met with skepticism from some higher-ups who see him as just a walking midlife crisis. If he can't keep up with the young cops and the criminals, he'll be risking lives - including his own - but if he can use his life experience, determination and sense of humor to give him an edge, he may just become successful in this new chapter of his life.

When a new designer drug hits the streets, Officer Nolan and the team have a Halloween they won't soon forget; Lucy questions whether her apartment building might be haunted.

Officer Nolan and team are on a hunt to retrieve a buried stash of gold before any treasure seekers get hurt; Bradford is tasked with encouraging the oldest cop at the station to retire and invites him to ride with him.

Officer Nolan and Bailey discover there's more to Fred's death than meets the eye; Officer Chen and Officer Bradford demand a treasure hunt rematch and enlist Officer Grey to help set the terms to a new bet.

The team goes on a city-wide hunt for an individual who is threatening to cause a mass casualty event; Tim's sister shows up unannounced with some surprising news; Lopez continues her inner struggle over Wesley's deal with Elijah.

Desperate to break free from his connection to Elijah, Wesley tries to plant a listening device in his office to incriminate him; Officer Bradford and his sister, Genny, learn an unsettling truth about their father.

A Philadelphia police officer believes a string of suspected overdoses among sex workers in her district may be homicides, and she may have a personal connection; when a red truck seems to be following her, she fears for her family's safety.

Mickey grapples with guilt about her sister as questions mount surrounding the murdered women; Truman connects Mickey to a new suspect in the case; Mickey takes drastic measures to keep Thomas at his private school.

When a new designer drug hits the streets, Officer Nolan and the team have a Halloween they won't soon forget; Lucy questions whether her apartment building might be haunted.

A Philadelphia police officer believes a string of suspected overdoses among sex workers in her district may be homicides, and she may have a personal connection; when a red truck seems to be following her, she fears for her family's safety.

Mickey grapples with guilt about her sister as questions mount surrounding the murdered women; Truman connects Mickey to a new suspect in the case; Mickey takes drastic measures to keep Thomas at his private school.

The team goes on a city-wide hunt for an individual who is threatening to cause a mass casualty event; Tim's sister shows up unannounced with some surprising news; Lopez continues her inner struggle over Wesley's deal with Elijah.

Desperate to break free from his connection to Elijah, Wesley tries to plant a listening device in his office to incriminate him; Officer Bradford and his sister, Genny, learn an unsettling truth about their father.

Starting over isn't easy, especially for small-town guy John Nolan, who, after a life-altering incident, is pursuing his dream of becoming an LAPD officer. As the force's oldest rookie, he's met with skepticism from some higher-ups who see him as just a walking midlife crisis. If he can't keep up with the young cops and the criminals, he'll be risking lives - including his own - but if he can use his life experience, determination and sense of humor to give him an edge, he may just become successful in this new chapter of his life.

From tropical Hawaii to the frigid waters of Lake Ontario, experts reveal the clues nature leaves behind on a human corpse.

Sophisticated crime fighters map the psychological and physical terrain of multiple murderers.

Criminals are betrayed by the clues their own bodies leave behind.

When the Hollywood Reservoir dam breaks, Bobby and the 118 race into action to save passengers on a city bus that has crashed into a building several stories in the air; the team adjusts to life as first responders during the pandemic.

In the aftermath of the dam break, massive mudslides wreak havoc throughout Los Angeles; Athena fights to save herself and an agoraphobic woman after her house collapses; a group of pregnant women trapped in a submerged house.

The team races to save a man under siege by his high-tech smart home; a yoga teacher loses her vision; Athena hunts down a bank robber disguised by COVID-19 protocols; members of the 118's crew prepare for an out-of-state mission.

Athena investigates a mysterious murder during a neighborhood block party; the 118 rush to save lives endangered by a bomb threat; Chimney has a hard time keeping secrets when Maddie and Buck's parents come to town.

The 118 races to save the lives of workers trapped in a factory fire; Maddie reveals a painful family secret that causes Buck to confront his childhood and answer why he is the daredevil he is today.

The 118 has a day from hell with a never-ending series of bizarre emergency calls; a man tapes himself to a freeway billboard; a restaurant manager destroys his own business; Eddie feels a spark with Christopher's former teacher.

A man gets pinned under a Humvee; a garage band rocks out too hard; Michael notices strange behavior at a nearby apartment; Hen's mother unexpectedly arrives and announces she is moving to Los Angeles.

When the Hollywood Reservoir dam breaks, Bobby and the 118 race into action to save passengers on a city bus that has crashed into a building several stories in the air; the team adjusts to life as first responders during the pandemic.

In the aftermath of the dam break, massive mudslides wreak havoc throughout Los Angeles; Athena fights to save herself and an agoraphobic woman after her house collapses; a group of pregnant women trapped in a submerged house.

The team races to save a man under siege by his high-tech smart home; a yoga teacher loses her vision; Athena hunts down a bank robber disguised by COVID-19 protocols; members of the 118's crew prepare for an out-of-state mission.

Athena investigates a mysterious murder during a neighborhood block party; the 118 rush to save lives endangered by a bomb threat; Chimney has a hard time keeping secrets when Maddie and Buck's parents come to town.

The 118 races to save the lives of workers trapped in a factory fire; Maddie reveals a painful family secret that causes Buck to confront his childhood and answer why he is the daredevil he is today.

The 118 has a day from hell with a never-ending series of bizarre emergency calls; a man tapes himself to a freeway billboard; a restaurant manager destroys his own business; Eddie feels a spark with Christopher's former teacher.

A man gets pinned under a Humvee; a garage band rocks out too hard; Michael notices strange behavior at a nearby apartment; Hen's mother unexpectedly arrives and announces she is moving to Los Angeles.

When the Hollywood Reservoir dam breaks, Bobby and the 118 race into action to save passengers on a city bus that has crashed into a building several stories in the air; the team adjusts to life as first responders during the pandemic.

In the aftermath of the dam break, massive mudslides wreak havoc throughout Los Angeles; Athena fights to save herself and an agoraphobic woman after her house collapses; a group of pregnant women trapped in a submerged house.

The team races to save a man under siege by his high-tech smart home; a yoga teacher loses her vision; Athena hunts down a bank robber disguised by COVID-19 protocols; members of the 118's crew prepare for an out-of-state mission.

Athena investigates a mysterious murder during a neighborhood block party; the 118 rush to save lives endangered by a bomb threat; Chimney has a hard time keeping secrets when Maddie and Buck's parents come to town.

The 118 races to save the lives of workers trapped in a factory fire; Maddie reveals a painful family secret that causes Buck to confront his childhood and answer why he is the daredevil he is today.

From tropical Hawaii to the frigid waters of Lake Ontario, experts reveal the clues nature leaves behind on a human corpse.

Sophisticated crime fighters map the psychological and physical terrain of multiple murderers.

Using technology to solve crime.

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

Killers attempt to use the elements to cover their crimes.

Herrmann works on becoming a better man after Cindy's cancer journey; Kidd bonds with a homeless victim on a call; Kylie takes her firefighter exams; a harrowing call takes a toll on Brett.

Carver deals with the fallout of his arrest; Brett searches for closure with the baby she rescued; Capp weasels his way into the Firehouse 51 group chat.

Brett waits for life-changing news; Herrmann encounters a psychic with a grave warning on a call; Kidd finds a new lead on the Homeland Security case.

The members of Firehouse 51 struggle to cope when one of their own dies in a fire; as Lts. Casey and Severide blame each other for the tragedy, Casey also secretly goes through a separation.

Severide hides his serious shoulder injury as he tries to rescue a construction worker from a collapsed building; two teens are trapped in a vehicle.

Casey must decide whether to turn in a cop's son who paralyzed a teen in a drunken-driving accident; Severide learns he has a fractured vertebra; Mills is torn between his mother and the job.

Chief Boden faces accusations that he abandoned a homeless man to die in a warehouse fire; Severide helps an elderly woman; Detective Voight tries to convince Casey not to testify against his son; Shay has to face her ex during a call.

Herrmann works on becoming a better man after Cindy's cancer journey; Kidd bonds with a homeless victim on a call; Kylie takes her firefighter exams; a harrowing call takes a toll on Brett.

Carver deals with the fallout of his arrest; Brett searches for closure with the baby she rescued; Capp weasels his way into the Firehouse 51 group chat.

Brett waits for life-changing news; Herrmann encounters a psychic with a grave warning on a call; Kidd finds a new lead on the Homeland Security case.

The members of Firehouse 51 struggle to cope when one of their own dies in a fire; as Lts. Casey and Severide blame each other for the tragedy, Casey also secretly goes through a separation.

Severide hides his serious shoulder injury as he tries to rescue a construction worker from a collapsed building; two teens are trapped in a vehicle.

Casey must decide whether to turn in a cop's son who paralyzed a teen in a drunken-driving accident; Severide learns he has a fractured vertebra; Mills is torn between his mother and the job.

Chief Boden faces accusations that he abandoned a homeless man to die in a warehouse fire; Severide helps an elderly woman; Detective Voight tries to convince Casey not to testify against his son; Shay has to face her ex during a call.

Herrmann works on becoming a better man after Cindy's cancer journey; Kidd bonds with a homeless victim on a call; Kylie takes her firefighter exams; a harrowing call takes a toll on Brett.

Carver deals with the fallout of his arrest; Brett searches for closure with the baby she rescued; Capp weasels his way into the Firehouse 51 group chat.

Brett waits for life-changing news; Herrmann encounters a psychic with a grave warning on a call; Kidd finds a new lead on the Homeland Security case.

The members of Firehouse 51 struggle to cope when one of their own dies in a fire; as Lts. Casey and Severide blame each other for the tragedy, Casey also secretly goes through a separation.

Severide hides his serious shoulder injury as he tries to rescue a construction worker from a collapsed building; two teens are trapped in a vehicle.

Using technology to solve crime.

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

A three-year feud over land and morals reaches a bloody conclusion for a young mother in Miami.

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.

Logan's widow starts a chain reaction campaign to kill people from her husband's captor's families.

A three-year feud over land and morals reaches a bloody conclusion for a young mother in Miami.

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.

Logan's widow starts a chain reaction campaign to kill people from her husband's captor's families.

A three-year feud over land and morals reaches a bloody conclusion for a young mother in Miami.

Logan's widow starts a chain reaction campaign to kill people from her husband's captor's families.

The Duprees, a powerful and prestigious multi-generational family that is the very definition of Black royalty, live, love, work and play in a leafy Maryland suburb just outside of Washington D.C.

Casey must face the consequences of confronting Detective Voight; Dawson faces disciplinary action; Severide reaches out to an old friend about his injury.

Dawson receives help from a girl she saved; Detective Voight is determined to get Casey to retract his statement.

The Firehouse 51 crew has a Thanksgiving to remember when drugs, a car accident, and a gang shooting get in the way of traditional holiday pastimes.

Peter is deeply upset when a young victim is discovered at the site of a train accident; an abusive mother takes dire actions; Severide's injury is aggravated.

Jose Vargas is forced to go on disability after sustaining an injury in a fire; Severide receives a tempting invitation from a woman he saved from a car crash; Cruz tries to end his brother's involvement with a gang.

An expensive necklace goes missing at the scene of a fire, leading to an internal investigation; Cruz makes a desperate decision to save his brother from a gang war; Dawson invites Casey to a party.

Cruz struggles with guilt and decides to make a confession to Casey; Severide asks Dawson for help with his injury; Herrmann is faced with an unpleasant business deal.

Elvira Clancy is feeling a little unfulfilled; although she adores her new job writing obituaries, she finds herself being paid per obituary overnight; when she accidentally kills someone in town, she discovers she might have untapped bloodlust.

Dawson receives help from a girl she saved; Detective Voight is determined to get Casey to retract his statement.

The Firehouse 51 crew has a Thanksgiving to remember when drugs, a car accident, and a gang shooting get in the way of traditional holiday pastimes.

Elvira Clancy is feeling a little unfulfilled; although she adores her new job writing obituaries, she finds herself being paid per obituary overnight; when she accidentally kills someone in town, she discovers she might have untapped bloodlust.

Jose Vargas is forced to go on disability after sustaining an injury in a fire; Severide receives a tempting invitation from a woman he saved from a car crash; Cruz tries to end his brother's involvement with a gang.

An expensive necklace goes missing at the scene of a fire, leading to an internal investigation; Cruz makes a desperate decision to save his brother from a gang war; Dawson invites Casey to a party.

Cruz struggles with guilt and decides to make a confession to Casey; Severide asks Dawson for help with his injury; Herrmann is faced with an unpleasant business deal.

Casey must face the consequences of confronting Detective Voight; Dawson faces disciplinary action; Severide reaches out to an old friend about his injury.

In Carmel Canyon, Calif., wealthy neighbors get into disputes over everything from shared roads and bridges to the upkeep of their respective properties until anger boils over and the ongoing feud is resolved with fatal gunfire.

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

Hijackers commandeer a passenger jet to bargain for a prisoners release.

In Carmel Canyon, Calif., wealthy neighbors get into disputes over everything from shared roads and bridges to the upkeep of their respective properties until anger boils over and the ongoing feud is resolved with fatal gunfire.

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

Hijackers commandeer a passenger jet to bargain for a prisoners release.

In Carmel Canyon, Calif., wealthy neighbors get into disputes over everything from shared roads and bridges to the upkeep of their respective properties until anger boils over and the ongoing feud is resolved with fatal gunfire.

Hijackers commandeer a passenger jet to bargain for a prisoners release.

The Duprees, a powerful and prestigious multi-generational family that is the very definition of Black royalty, live, love, work and play in a leafy Maryland suburb just outside of Washington D.C.

An expensive necklace goes missing at the scene of a fire, leading to an internal investigation; Cruz makes a desperate decision to save his brother from a gang war; Dawson invites Casey to a party.

Cruz struggles with guilt and decides to make a confession to Casey; Severide asks Dawson for help with his injury; Herrmann is faced with an unpleasant business deal.

Severide finally decides to discuss his injury with Chief Boden; Casey deals with family issues; Dawson responds to a rescue call and realizes a young girl is the only survivor.

A man dies in a fire set by a troubled teenager; Severide contacts his father; Otis fills in for some shifts at the slowest firehouse in the city; Shay and Dawson wind up in a bad situation.

Severide realizes he shares a similar past with the lieutenant who has been helping out at the firehouse; Dawson shares a secret with Shay; Casey faces family issues.

Dawson turns to an unlikely source for assistance as she tries to help her brother; Severide does a favor for Lt. Whaley; Herrmann and Otis make tough discoveries about their silent partner.

Cruz puts himself and his fellow firefighters in danger; Casey tries to resolve issues with his sister and mother; the team assists the bomb squad with a dangerous call.

An expensive necklace goes missing at the scene of a fire, leading to an internal investigation; Cruz makes a desperate decision to save his brother from a gang war; Dawson invites Casey to a party.

Cruz struggles with guilt and decides to make a confession to Casey; Severide asks Dawson for help with his injury; Herrmann is faced with an unpleasant business deal.

Severide finally decides to discuss his injury with Chief Boden; Casey deals with family issues; Dawson responds to a rescue call and realizes a young girl is the only survivor.

A man dies in a fire set by a troubled teenager; Severide contacts his father; Otis fills in for some shifts at the slowest firehouse in the city; Shay and Dawson wind up in a bad situation.

Severide realizes he shares a similar past with the lieutenant who has been helping out at the firehouse; Dawson shares a secret with Shay; Casey faces family issues.

Dawson turns to an unlikely source for assistance as she tries to help her brother; Severide does a favor for Lt. Whaley; Herrmann and Otis make tough discoveries about their silent partner.

Cruz puts himself and his fellow firefighters in danger; Casey tries to resolve issues with his sister and mother; the team assists the bomb squad with a dangerous call.

An expensive necklace goes missing at the scene of a fire, leading to an internal investigation; Cruz makes a desperate decision to save his brother from a gang war; Dawson invites Casey to a party.

Enmity, treachery and gunfire ensue when a man rejects the romantic advances of his next door neighbor.

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

Team One must figure out how to get a Chinatown gang to release a local shop owner.

Enmity, treachery and gunfire ensue when a man rejects the romantic advances of his next door neighbor.

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

Team One must figure out how to get a Chinatown gang to release a local shop owner.

Enmity, treachery and gunfire ensue when a man rejects the romantic advances of his next door neighbor.

Team One must figure out how to get a Chinatown gang to release a local shop owner.

The Duprees, a powerful and prestigious multi-generational family that is the very definition of Black royalty, live, love, work and play in a leafy Maryland suburb just outside of Washington D.C.

The 118 rush to save lives in the aftermath of a massive train derailment.

When the Hollywood Reservoir dam breaks, Bobby and the 118 race into action to save passengers on a city bus that has crashed into a building several stories in the air; the team adjusts to life as first responders during the pandemic.

In the aftermath of the dam break, massive mudslides wreak havoc throughout Los Angeles; Athena fights to save herself and an agoraphobic woman after her house collapses; a group of pregnant women trapped in a submerged house.

The team races to save a man under siege by his high-tech smart home; a yoga teacher loses her vision; Athena hunts down a bank robber disguised by COVID-19 protocols; members of the 118's crew prepare for an out-of-state mission.

Athena investigates a mysterious murder during a neighborhood block party; the 118 rush to save lives endangered by a bomb threat; Chimney has a hard time keeping secrets when Maddie and Buck's parents come to town.

The 118 races to save the lives of workers trapped in a factory fire; Maddie reveals a painful family secret that causes Buck to confront his childhood and answer why he is the daredevil he is today.

The 118 has a day from hell with a never-ending series of bizarre emergency calls; a man tapes himself to a freeway billboard; a restaurant manager destroys his own business; Eddie feels a spark with Christopher's former teacher.

The 118 rush to save lives in the aftermath of a massive train derailment.

When the Hollywood Reservoir dam breaks, Bobby and the 118 race into action to save passengers on a city bus that has crashed into a building several stories in the air; the team adjusts to life as first responders during the pandemic.

In the aftermath of the dam break, massive mudslides wreak havoc throughout Los Angeles; Athena fights to save herself and an agoraphobic woman after her house collapses; a group of pregnant women trapped in a submerged house.

The team races to save a man under siege by his high-tech smart home; a yoga teacher loses her vision; Athena hunts down a bank robber disguised by COVID-19 protocols; members of the 118's crew prepare for an out-of-state mission.

Athena investigates a mysterious murder during a neighborhood block party; the 118 rush to save lives endangered by a bomb threat; Chimney has a hard time keeping secrets when Maddie and Buck's parents come to town.

The 118 races to save the lives of workers trapped in a factory fire; Maddie reveals a painful family secret that causes Buck to confront his childhood and answer why he is the daredevil he is today.

The 118 has a day from hell with a never-ending series of bizarre emergency calls; a man tapes himself to a freeway billboard; a restaurant manager destroys his own business; Eddie feels a spark with Christopher's former teacher.

The 118 rush to save lives in the aftermath of a massive train derailment.

When a man moves to Canyon Country, Calif., he finds himself embroiled in a bizarre and increasingly acrimonious 8-year feud with a neighbor that terminates with blasts from a shotgun.

The disappearance of millionaire Frank Black.

A violent patient takes a guard hostage and injures a fellow patient.

When a man moves to Canyon Country, Calif., he finds himself embroiled in a bizarre and increasingly acrimonious 8-year feud with a neighbor that terminates with blasts from a shotgun.

The disappearance of millionaire Frank Black.

A violent patient takes a guard hostage and injures a fellow patient.

When a man moves to Canyon Country, Calif., he finds himself embroiled in a bizarre and increasingly acrimonious 8-year feud with a neighbor that terminates with blasts from a shotgun.

A violent patient takes a guard hostage and injures a fellow patient.

The Duprees, a powerful and prestigious multi-generational family that is the very definition of Black royalty, live, love, work and play in a leafy Maryland suburb just outside of Washington D.C.

When Severide's father (Treat Williams) visits, he clashes with Chief Boden over a former colleague's death; Shay makes a decision about Clarice; the mystery about Herrmann, Otis and Dawson's bar is revealed.

Mills questions Bennie about the fire that killed Mills' father; Casey, Severide and Bennie investigate two mysterious diner fires.

A failed rescue attempt deeply affects the men and women of firehouse 51; Dawson and Shay deal with a junkie's crazy behavior during a call; the team upsets local drug dealers.

A paramedic candidate joins Shay and Dawson for a few shifts; Cindy Herrmann experiences pregnancy complications while her husband is out of town; Casey receives an unexpected visit.

Detective Voight shows up, looking to cash in the favor Dawson owes him; Casey's social life takes on a familiar pattern; Molly prepares for the grand opening of Dawson, Herrmann and Otis's bar; Severide faces a threat to his career.

Severide is accused of sexual misconduct; Casey starts to find satisfaction in his personal life; Dawson and Mills face challenges as they try to take their relationship to the next level; the squad faces a harrowing building collapse.

Lt. Casey must work with Voight and the Intelligence Unit; Shay grows increasingly excited about the prospect of motherhood; everyone comes together to support the opening of Molly's.

In an epic finale, the final three designers must create a capsule collection to prove who deserves to win fashion's fiercest competition.

Mills questions Bennie about the fire that killed Mills' father; Casey, Severide and Bennie investigate two mysterious diner fires.

A failed rescue attempt deeply affects the men and women of firehouse 51; Dawson and Shay deal with a junkie's crazy behavior during a call; the team upsets local drug dealers.

A paramedic candidate joins Shay and Dawson for a few shifts; Cindy Herrmann experiences pregnancy complications while her husband is out of town; Casey receives an unexpected visit.

Detective Voight shows up, looking to cash in the favor Dawson owes him; Casey's social life takes on a familiar pattern; Molly prepares for the grand opening of Dawson, Herrmann and Otis's bar; Severide faces a threat to his career.

Severide is accused of sexual misconduct; Casey starts to find satisfaction in his personal life; Dawson and Mills face challenges as they try to take their relationship to the next level; the squad faces a harrowing building collapse.

In an epic finale, the final three designers must create a capsule collection to prove who deserves to win fashion's fiercest competition.

A family moves into a Minnesota lake house, then a dispute with a neighbor over water access escalates until it leads to a bloody resolution.

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

A bold heist at a stadium lures Team One into an ex-cop's violent plan to defeat the man he blames for ruining his life.

A family moves into a Minnesota lake house, then a dispute with a neighbor over water access escalates until it leads to a bloody resolution.

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

A bold heist at a stadium lures Team One into an ex-cop's violent plan to defeat the man he blames for ruining his life.

A family moves into a Minnesota lake house, then a dispute with a neighbor over water access escalates until it leads to a bloody resolution.

A bold heist at a stadium lures Team One into an ex-cop's violent plan to defeat the man he blames for ruining his life.

The Duprees, a powerful and prestigious multi-generational family that is the very definition of Black royalty, live, love, work and play in a leafy Maryland suburb just outside of Washington D.C.

Starting over isn't easy, especially for small-town guy John Nolan, who, after a life-altering incident, is pursuing his dream of becoming an LAPD officer. As the force's oldest rookie, he's met with skepticism from some higher-ups who see him as just a walking midlife crisis. If he can't keep up with the young cops and the criminals, he'll be risking lives - including his own - but if he can use his life experience, determination and sense of humor to give him an edge, he may just become successful in this new chapter of his life.

Starting over isn't easy, especially for small-town guy John Nolan, who, after a life-altering incident, is pursuing his dream of becoming an LAPD officer. As the force's oldest rookie, he's met with skepticism from some higher-ups who see him as just a walking midlife crisis. If he can't keep up with the young cops and the criminals, he'll be risking lives - including his own - but if he can use his life experience, determination and sense of humor to give him an edge, he may just become successful in this new chapter of his life.

Starting over isn't easy, especially for small-town guy John Nolan, who, after a life-altering incident, is pursuing his dream of becoming an LAPD officer. As the force's oldest rookie, he's met with skepticism from some higher-ups who see him as just a walking midlife crisis. If he can't keep up with the young cops and the criminals, he'll be risking lives - including his own - but if he can use his life experience, determination and sense of humor to give him an edge, he may just become successful in this new chapter of his life.

Starting over isn't easy, especially for small-town guy John Nolan, who, after a life-altering incident, is pursuing his dream of becoming an LAPD officer. As the force's oldest rookie, he's met with skepticism from some higher-ups who see him as just a walking midlife crisis. If he can't keep up with the young cops and the criminals, he'll be risking lives - including his own - but if he can use his life experience, determination and sense of humor to give him an edge, he may just become successful in this new chapter of his life.

Starting over isn't easy, especially for small-town guy John Nolan, who, after a life-altering incident, is pursuing his dream of becoming an LAPD officer. As the force's oldest rookie, he's met with skepticism from some higher-ups who see him as just a walking midlife crisis. If he can't keep up with the young cops and the criminals, he'll be risking lives - including his own - but if he can use his life experience, determination and sense of humor to give him an edge, he may just become successful in this new chapter of his life.

Starting over isn't easy, especially for small-town guy John Nolan, who, after a life-altering incident, is pursuing his dream of becoming an LAPD officer. As the force's oldest rookie, he's met with skepticism from some higher-ups who see him as just a walking midlife crisis. If he can't keep up with the young cops and the criminals, he'll be risking lives - including his own - but if he can use his life experience, determination and sense of humor to give him an edge, he may just become successful in this new chapter of his life.

Mickey puts herself in danger while following up on the Dock lead; Mickey brings Thomas and Truman to her family's Thanksgiving; Paula's reaction to a new piece of evidence makes Mickey question everything.

Thomas' birthday party stirs up painful childhood memories for Mickey as tensions with Simon boil over; an unexpected connection between the murder victims leads Mickey and Truman to pursue a new lead.

Starting over isn't easy, especially for small-town guy John Nolan, who, after a life-altering incident, is pursuing his dream of becoming an LAPD officer. As the force's oldest rookie, he's met with skepticism from some higher-ups who see him as just a walking midlife crisis. If he can't keep up with the young cops and the criminals, he'll be risking lives - including his own - but if he can use his life experience, determination and sense of humor to give him an edge, he may just become successful in this new chapter of his life.

Mickey puts herself in danger while following up on the Dock lead; Mickey brings Thomas and Truman to her family's Thanksgiving; Paula's reaction to a new piece of evidence makes Mickey question everything.

Thomas' birthday party stirs up painful childhood memories for Mickey as tensions with Simon boil over; an unexpected connection between the murder victims leads Mickey and Truman to pursue a new lead.

Starting over isn't easy, especially for small-town guy John Nolan, who, after a life-altering incident, is pursuing his dream of becoming an LAPD officer. As the force's oldest rookie, he's met with skepticism from some higher-ups who see him as just a walking midlife crisis. If he can't keep up with the young cops and the criminals, he'll be risking lives - including his own - but if he can use his life experience, determination and sense of humor to give him an edge, he may just become successful in this new chapter of his life.

Starting over isn't easy, especially for small-town guy John Nolan, who, after a life-altering incident, is pursuing his dream of becoming an LAPD officer. As the force's oldest rookie, he's met with skepticism from some higher-ups who see him as just a walking midlife crisis. If he can't keep up with the young cops and the criminals, he'll be risking lives - including his own - but if he can use his life experience, determination and sense of humor to give him an edge, he may just become successful in this new chapter of his life.

Starting over isn't easy, especially for small-town guy John Nolan, who, after a life-altering incident, is pursuing his dream of becoming an LAPD officer. As the force's oldest rookie, he's met with skepticism from some higher-ups who see him as just a walking midlife crisis. If he can't keep up with the young cops and the criminals, he'll be risking lives - including his own - but if he can use his life experience, determination and sense of humor to give him an edge, he may just become successful in this new chapter of his life.

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

A private school owner is kidnapped.

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

The 118 springs into action when a citywide blackout and a record heat wave causes mayhem in Los Angeles; Chimney confides in Hen about Maddie's condition; Athena's worst nightmare comes true.

As the citywide blackout continues to cause mayhem in Los Angeles, Athena races to save her family from a tragedy; Eddie must make a difficult choice about his future; Maddie makes a life-changing decision.

A truck crashes into a high school homecoming parade; Athena and Michael try to help Harry in the aftermath of his kidnapping; May is intimidated by a returning call center legend; Bobby gives a devastated Chimney advice regarding Maddie.

A man over-exerts himself exercising; a groundskeeper is cut by his chainsaw; an explosion occurs at a retirement community; May gets an emergency call from a suicidal teen.

Responding to a fire at a prison, Bobby and the 118 find themselves trapped in a deadly riot.

A man claims he was carjacked, shot and buried alive; a homeowner thinks her roommate is a ghost; Hen receives a visit from the past; Athena and family are concerned that Harry is still haunted by visions of Jeffrey.

Bobby and the 118 race to save lives after an explosion rocks the hospital where Dr. David Hale is performing surgery; Michael makes a life-changing decision.

The 118 springs into action when a citywide blackout and a record heat wave causes mayhem in Los Angeles; Chimney confides in Hen about Maddie's condition; Athena's worst nightmare comes true.

As the citywide blackout continues to cause mayhem in Los Angeles, Athena races to save her family from a tragedy; Eddie must make a difficult choice about his future; Maddie makes a life-changing decision.

A truck crashes into a high school homecoming parade; Athena and Michael try to help Harry in the aftermath of his kidnapping; May is intimidated by a returning call center legend; Bobby gives a devastated Chimney advice regarding Maddie.

A man over-exerts himself exercising; a groundskeeper is cut by his chainsaw; an explosion occurs at a retirement community; May gets an emergency call from a suicidal teen.