Bumpy must turn the Five Families against Chin when he violates their peace agreement; he tasks newcomer Frank Lucas with robbing a shipment of Gigante heroin; Elise learns of a plot to kill Omar; Stella makes a play to become boss of the family.

Bumpy must turn the Five Families against Chin when he violates their peace agreement; he tasks newcomer Frank Lucas with robbing a shipment of Gigante heroin; Elise learns of a plot to kill Omar; Stella makes a play to become boss of the family.

Kidd recruits Carver, Capp and Tony to help prepare her new lieutenant's quarters; Severide and Detective Pryma reluctantly pair up to work a police investigation; Firehouse 51 comes together to fight a movie theater fire.

Kidd recruits Carver, Capp and Tony to help prepare her new lieutenant's quarters; Severide and Detective Pryma reluctantly pair up to work a police investigation; Firehouse 51 comes together to fight a movie theater fire.

Kidd gets a glimpse into Carver's chaotic personal life; Mouch and Herrmann receive an unexpected gift.

Natalie's plan to secure her daughter Jessica a spot on the national tumbling gymnastics team comes to fruition, at Kelly's expense; as Natalie's single-minded pursuit of success pushes Jessica into Adam's arms, Jessica is forced to make a decision.

Natalie's plan to secure her daughter Jessica a spot on the national tumbling gymnastics team comes to fruition, at Kelly's expense; as Natalie's single-minded pursuit of success pushes Jessica into Adam's arms, Jessica is forced to make a decision.

Bumpy plans to build a new club in Harlem but must find a way to finance it without the heroin business; Elise testifies in the Malcolm X murder trial when three innocent men are accused; Stella negotiates a business deal between Colombo and Chin.

Bumpy must turn the Five Families against Chin when he violates their peace agreement; he tasks newcomer Frank Lucas with robbing a shipment of Gigante heroin; Elise learns of a plot to kill Omar; Stella makes a play to become boss of the family.

A long-time resident of a suburban street descends into a morass of delusion, anger and paranoia that turns him against innocent neighbors; he eventually becomes wholly unhinged and unleashes his violent wrath upon his small Baltimore community.

When the prime subject for four factory deaths has a perfect alibi, investigators use video analysis, timeline reconstruction and a 3-year old fingerprint to solve the crime.

Teen gang members seek revenge after a troubled classmate makes accusations of rape.

A long-time resident of a suburban street descends into a morass of delusion, anger and paranoia that turns him against innocent neighbors; he eventually becomes wholly unhinged and unleashes his violent wrath upon his small Baltimore community.

When the prime subject for four factory deaths has a perfect alibi, investigators use video analysis, timeline reconstruction and a 3-year old fingerprint to solve the crime.

Teen gang members seek revenge after a troubled classmate makes accusations of rape.

A long-time resident of a suburban street descends into a morass of delusion, anger and paranoia that turns him against innocent neighbors; he eventually becomes wholly unhinged and unleashes his violent wrath upon his small Baltimore community.

Teen gang members seek revenge after a troubled classmate makes accusations of rape.

When the prime subject for four factory deaths has a perfect alibi, investigators use video analysis, timeline reconstruction and a 3-year old fingerprint to solve the crime.

Dr. Choi and Dr. Charles have difficult decisions to make as a dying man tries to preserve his life with a controversial scientific method; Dr. Marcel and April clash over how to handle a mysterious patient; Will questions Natalie's capabilities.

An entire apartment complex is forced into quarantine when cases of a deadly virus turn into an epidemic; P.D. chases a lead that could point to a case of bioterrorism, and Will gets dangerously close to the suspect.

Dr. Choi and Dr. Marcel don't see eye to eye over the treatment of a patient's chronic pain; rumors circulate about Maggie; Dr. Manning works to help a young boy, but she is challenged by his parents, who believe in only using holistic remedies.

Dr. Manning's actions with a patient lead to serious repercussions; April and Noah disagree over a patient who is injured after a beating; Dr. Charles is visited by a childhood friend.

Dr. Charles and Dr. Halstead sink their teeth into a case; Dr. Marcel and Maggie throw a traditional crawfish boil for the staff; a new relationship blossoms while another is left on rocky ground.

Maggie gets unsettling news about a new friend and breaks protocol to support him; one of the doctors from the Med family is rushed into emergency surgery after a violent assault; a social media influencer lets his users vote on medical advice.

April receives unfortunate news that makes her question her future with Ethan; Dr. Charles and Maggie see tough times on the horizon; Natalie's memory from the accident starts to return.

Dr. Choi and Dr. Charles have difficult decisions to make as a dying man tries to preserve his life with a controversial scientific method; Dr. Marcel and April clash over how to handle a mysterious patient; Will questions Natalie's capabilities.

An entire apartment complex is forced into quarantine when cases of a deadly virus turn into an epidemic; P.D. chases a lead that could point to a case of bioterrorism, and Will gets dangerously close to the suspect.

Dr. Choi and Dr. Marcel don't see eye to eye over the treatment of a patient's chronic pain; rumors circulate about Maggie; Dr. Manning works to help a young boy, but she is challenged by his parents, who believe in only using holistic remedies.

Dr. Manning's actions with a patient lead to serious repercussions; April and Noah disagree over a patient who is injured after a beating; Dr. Charles is visited by a childhood friend.

Dr. Charles and Dr. Halstead sink their teeth into a case; Dr. Marcel and Maggie throw a traditional crawfish boil for the staff; a new relationship blossoms while another is left on rocky ground.

Maggie gets unsettling news about a new friend and breaks protocol to support him; one of the doctors from the Med family is rushed into emergency surgery after a violent assault; a social media influencer lets his users vote on medical advice.

April receives unfortunate news that makes her question her future with Ethan; Dr. Charles and Maggie see tough times on the horizon; Natalie's memory from the accident starts to return.

Dr. Choi and Dr. Charles have difficult decisions to make as a dying man tries to preserve his life with a controversial scientific method; Dr. Marcel and April clash over how to handle a mysterious patient; Will questions Natalie's capabilities.

A friendly retired couple delights a family with young children when they move in next door. Then the new neighbors' dog attacks the children's mother, setting off a vicious conflict that ends in two shocking murders.

Sixteen years after a college student is found raped and strangled on a buffalo bike path, DNA technology and other clues help catch the killer.

After a violent altercation with his father, a young man flees the police and runs into the woods, sending the team on a manhunt.

A friendly retired couple delights a family with young children when they move in next door. Then the new neighbors' dog attacks the children's mother, setting off a vicious conflict that ends in two shocking murders.

Sixteen years after a college student is found raped and strangled on a buffalo bike path, DNA technology and other clues help catch the killer.

After a violent altercation with his father, a young man flees the police and runs into the woods, sending the team on a manhunt.

A friendly retired couple delights a family with young children when they move in next door. Then the new neighbors' dog attacks the children's mother, setting off a vicious conflict that ends in two shocking murders.

After a violent altercation with his father, a young man flees the police and runs into the woods, sending the team on a manhunt.

Sixteen years after a college student is found raped and strangled on a buffalo bike path, DNA technology and other clues help catch the killer.

On Valentine's Day, a surprise marriage proposal goes awry with dangerous consequences; Athena attempts to help a desperate woman; Bobby and Chimney pull holiday duty; Abby and Buck go on their first official date.

A full moon keeps the crew busy with crazy calls; Athena investigates a potential home invasion; Abby helps investigate a caller's murder; Bobby and Buck have their hands full at a yoga studio for pregnant women; Hen's past may become her future.

Bobby gets a surprising phone call from his doctor after donating at Chimney's blood drive; Athena confronts Michael after having a heart-to-heart with their kids.

The first responders race to help a homeless man crushed in a garbage truck, a mother and son in a crashed elevator, and extreme hoarders trapped in their house; Athena starts dating; the situation with Abby's mother tests her relationship with Buck.

The first responders take calls involving an unusual domestic disturbance, a "death" at a psychic's place, and a motorcycle crash; Bobby dips his toes into the dating pool; Abby walks down memory lane, and Buck is confronted by his past actions.

Ryan Murphy, Brad Falchuk and Tim Minear reimagine the procedural drama with "9-1-1." The series explores the high-pressure experiences of first responders - including police officers, firefighters and dispatchers - who are thrust into the most frightening, shocking and heart-stopping situations. These emergency responders must try to balance saving those who are at their most vulnerable with solving the problems in their own lives. The show draws from real-life, high-pressure experiences of first responders who regularly face heart-stopping situations that are often unpredictable, intense and uplifting at the same time.

Maggie and Cal find themselves facing a dire situation as they look for a missing camper.

Ryan Murphy, Brad Falchuk and Tim Minear reimagine the procedural drama with "9-1-1." The series explores the high-pressure experiences of first responders - including police officers, firefighters and dispatchers - who are thrust into the most frightening, shocking and heart-stopping situations. These emergency responders must try to balance saving those who are at their most vulnerable with solving the problems in their own lives. The show draws from real-life, high-pressure experiences of first responders who regularly face heart-stopping situations that are often unpredictable, intense and uplifting at the same time.

A full moon keeps the crew busy with crazy calls; Athena investigates a potential home invasion; Abby helps investigate a caller's murder; Bobby and Buck have their hands full at a yoga studio for pregnant women; Hen's past may become her future.

Bobby gets a surprising phone call from his doctor after donating at Chimney's blood drive; Athena confronts Michael after having a heart-to-heart with their kids.

The first responders race to help a homeless man crushed in a garbage truck, a mother and son in a crashed elevator, and extreme hoarders trapped in their house; Athena starts dating; the situation with Abby's mother tests her relationship with Buck.

The first responders take calls involving an unusual domestic disturbance, a "death" at a psychic's place, and a motorcycle crash; Bobby dips his toes into the dating pool; Abby walks down memory lane, and Buck is confronted by his past actions.

Ryan Murphy, Brad Falchuk and Tim Minear reimagine the procedural drama with "9-1-1." The series explores the high-pressure experiences of first responders - including police officers, firefighters and dispatchers - who are thrust into the most frightening, shocking and heart-stopping situations. These emergency responders must try to balance saving those who are at their most vulnerable with solving the problems in their own lives. The show draws from real-life, high-pressure experiences of first responders who regularly face heart-stopping situations that are often unpredictable, intense and uplifting at the same time.

Maggie and Cal find themselves facing a dire situation as they look for a missing camper.

On Valentine's Day, a surprise marriage proposal goes awry with dangerous consequences; Athena attempts to help a desperate woman; Bobby and Chimney pull holiday duty; Abby and Buck go on their first official date.

A five-year relationship between neighbors falls apart when one borrows the other's lawnmower and supposedly returns it broken; camaraderie morphs into rage, threats, and physical violence until a bloody murder devastates the community.

A Texas playboy is murdered and police uncover x-rated photos, shocking videos and an object hidden inside the victim's body.

A member of the team is caught in the wrong place at the wrong time when a young man holds a courtroom hostage in an attempt to clear his name for a murder he didn't commit.

A five-year relationship between neighbors falls apart when one borrows the other's lawnmower and supposedly returns it broken; camaraderie morphs into rage, threats, and physical violence until a bloody murder devastates the community.

A Texas playboy is murdered and police uncover x-rated photos, shocking videos and an object hidden inside the victim's body.

A member of the team is caught in the wrong place at the wrong time when a young man holds a courtroom hostage in an attempt to clear his name for a murder he didn't commit.

A five-year relationship between neighbors falls apart when one borrows the other's lawnmower and supposedly returns it broken; camaraderie morphs into rage, threats, and physical violence until a bloody murder devastates the community.

A member of the team is caught in the wrong place at the wrong time when a young man holds a courtroom hostage in an attempt to clear his name for a murder he didn't commit.

A Texas playboy is murdered and police uncover x-rated photos, shocking videos and an object hidden inside the victim's body.

Dr. Halstead's world is thrown into turmoil when a former patient resurfaces; April has a secret she considers confessing to Ethan; Dr. Charles tries to maintain his focus during a difficult time.

After a major accident at O'Hare International Airport, the E.D. is concerned one of their own is in mortal danger; Will's proposal for a safe injection site goes to the board for consideration; Natalie and Goodwin become concerned for Gwen.

The team deals with the aftermath of a school bus crash; Dr. Charles worries Dr. Halstead is putting his medical license in jeopardy; Maggie helps a friend in need.

Two brothers in critical condition are rushed into the hospital by their parents, leaving Dr. Choi, April and Dr. Charles to piece together what actually transpired; Dr. Manning becomes suspicious of a new mother entering the E.D.

Dr. Manning and Dr. Marcel disagree over an abusive husband; Dr. Halstead struggles with ethics and his decision to work at the safe injection site; Dr. Charles and Elsa reveal a misdiagnosis that may change a family's life.

Dr. Charles and Dr. Manning treat a patient who is fully invested in pretending to be someone other than himself; Noah doubts his abilities as a doctor; Dr. Marcel and Dr. Choi face a tough ethical decision; Dr. Halstead puts his faith in an addict.

A convicted murderer's escape hits close to home when several team members end up in danger; Dr. Charles and Dr. Halstead clash over patient treatment plans; Dr. Choi and April discover the truth about a patient's scam; Maggie receives good news.

Louisiana investigators find Andrew Jasmine in front of his home video game console, riddled with bullet holes; and with shell casings from two different firearms, the crime scene bears the hallmarks of a criminal conspiracy.

After a major accident at O'Hare International Airport, the E.D. is concerned one of their own is in mortal danger; Will's proposal for a safe injection site goes to the board for consideration; Natalie and Goodwin become concerned for Gwen.

The team deals with the aftermath of a school bus crash; Dr. Charles worries Dr. Halstead is putting his medical license in jeopardy; Maggie helps a friend in need.

Two brothers in critical condition are rushed into the hospital by their parents, leaving Dr. Choi, April and Dr. Charles to piece together what actually transpired; Dr. Manning becomes suspicious of a new mother entering the E.D.

Dr. Manning and Dr. Marcel disagree over an abusive husband; Dr. Halstead struggles with ethics and his decision to work at the safe injection site; Dr. Charles and Elsa reveal a misdiagnosis that may change a family's life.

Dr. Charles and Dr. Manning treat a patient who is fully invested in pretending to be someone other than himself; Noah doubts his abilities as a doctor; Dr. Marcel and Dr. Choi face a tough ethical decision; Dr. Halstead puts his faith in an addict.

A convicted murderer's escape hits close to home when several team members end up in danger; Dr. Charles and Dr. Halstead clash over patient treatment plans; Dr. Choi and April discover the truth about a patient's scam; Maggie receives good news.

Louisiana investigators find Andrew Jasmine in front of his home video game console, riddled with bullet holes; and with shell casings from two different firearms, the crime scene bears the hallmarks of a criminal conspiracy.

A retired couple's golden years shatter when a troubled Army veteran moves in next door and makes their lives hell with his appalling behavior; they declare war, fighting vicious battles until one of these neighbors turns up dead.

Phoenix police are faced with a unique serial killer team who get their thrills stalking and shooting innocent people at night.

Jules puts her negotiating skills to the test when the unit responds to a kidnapping, only to find that there are actually two victims.

A retired couple's golden years shatter when a troubled Army veteran moves in next door and makes their lives hell with his appalling behavior; they declare war, fighting vicious battles until one of these neighbors turns up dead.

Phoenix police are faced with a unique serial killer team who get their thrills stalking and shooting innocent people at night.

Jules puts her negotiating skills to the test when the unit responds to a kidnapping, only to find that there are actually two victims.

A retired couple's golden years shatter when a troubled Army veteran moves in next door and makes their lives hell with his appalling behavior; they declare war, fighting vicious battles until one of these neighbors turns up dead.

Jules puts her negotiating skills to the test when the unit responds to a kidnapping, only to find that there are actually two victims.

Phoenix police are faced with a unique serial killer team who get their thrills stalking and shooting innocent people at night.

When a crisis erupts at a local hospital over a critical transplant error, Danny and Lena work to calm a volatile situation; an unexpected encounter pushes Lena to reflect on her past.

It's Valentine's Day, and Lt. Grey gives Tim and Lucy an unromantic assignment; John and Celina track down a missing girl; the team sharpens up for a charity gala where multiple relationships come to a head.

On Celina's last day as a rookie, John gives her one final test; Bailey makes a new friend; Lucy places her faith in Seth for an undercover assignment.

Nyla remains suspicious of Liam Glasser as a wildfire erupts, causing chaos in the city; James tries to help a friend; Seth makes a costly mistake, putting two of their own in danger.

The team mobilizes to locate a suspect after a deadly series of events affects one of their own; Celina takes on her first case with Bailey's help.

When a crisis erupts at a local hospital over a critical transplant error, Danny and Lena work to calm a volatile situation; an unexpected encounter pushes Lena to reflect on her past.

While searching for answers about his father, Colter is pulled into a tense case involving a teenage boy's missing parents, uncovering a dangerous situation far more complicated than it first appears.

The team searches for a serial killer; Nyla struggles with the aftermath following the attack; Lucy's relationship with Seth takes a turn; Bailey battles her fear of Jason Wyler.

It's Valentine's Day, and Lt. Grey gives Tim and Lucy an unromantic assignment; John and Celina track down a missing girl; the team sharpens up for a charity gala where multiple relationships come to a head.

While searching for answers about his father, Colter is pulled into a tense case involving a teenage boy's missing parents, uncovering a dangerous situation far more complicated than it first appears.

Nyla remains suspicious of Liam Glasser as a wildfire erupts, causing chaos in the city; James tries to help a friend; Seth makes a costly mistake, putting two of their own in danger.

The team mobilizes to locate a suspect after a deadly series of events affects one of their own; Celina takes on her first case with Bailey's help.

John, Lucy and Angela investigate the suspicious stabbing of three teenage girls; the team experiences technical difficulties while managing a group of prisoners and a wild animal.

John and Celina find themselves in a hostage situation while undercover for a public safety initiative; while Angela and Nyla investigate the suspects, Tim challenges Lucy's decision-making skills.

The team searches for a serial killer; Nyla struggles with the aftermath following the attack; Lucy's relationship with Seth takes a turn; Bailey battles her fear of Jason Wyler.

Phoenix police face a unique serial killer team that is stalking and killing innocent people.

Police in Abbotsford, B.C. hunt a stalker who has left one teen dead and another barely alive.

A killer who leaves messages signed "Jack" terrorizes East Point, Ga.

Voight wants to make his former cellmate a confidential informant as the unit tries to take down a big cocaine supplier and local dealers; Burgess makes a decision about her relationship with Ruzek; Roman works with Firehouse 51 to fund a wedding.

Lindsay goes undercover in hopes of finding a police officer who targets women leaving a local casino; Burgess needs Platt's approval to move forward with her plan; Antonio offers to take Roman's place in an upcoming boxing match.

After escaping from a New York prison, convicted killer Gregory Yates (Dallas Roberts) heads to Chicago; SVU members Benson and Tutuola help investigate a triple homicide in Chicago; the team seeks a connection between Yates and a missing woman.

Burgess finds heroin in a duffel bag belonging to a mild-mannered and respected college professor; Roman talks to Platt about his career; Halstead takes an off-duty security job working for the attractive owner of a medical marijuana clinic.

Lindsay, Halstead and Mouse search for a connection when two shootings take place in gang territory; a candlelight vigil is held for a young boy who was murdered in the first shooting.

During a bank run for his off-duty security job, Halstead and his co-workers are attacked by a violent robbery crew, which leads to a shootout; Voight and Lindsay talk to a dispensary owner who says her business has received threats from local gangs.

The team discovers a secret battered woman's shelter and learns that the owner has been wounded and a resident has been abducted; Burgess and Roman track down a man who has been catfishing people on a dating app to rob them.

Voight wants to make his former cellmate a confidential informant as the unit tries to take down a big cocaine supplier and local dealers; Burgess makes a decision about her relationship with Ruzek; Roman works with Firehouse 51 to fund a wedding.

Lindsay goes undercover in hopes of finding a police officer who targets women leaving a local casino; Burgess needs Platt's approval to move forward with her plan; Antonio offers to take Roman's place in an upcoming boxing match.

After escaping from a New York prison, convicted killer Gregory Yates (Dallas Roberts) heads to Chicago; SVU members Benson and Tutuola help investigate a triple homicide in Chicago; the team seeks a connection between Yates and a missing woman.

Burgess finds heroin in a duffel bag belonging to a mild-mannered and respected college professor; Roman talks to Platt about his career; Halstead takes an off-duty security job working for the attractive owner of a medical marijuana clinic.

While searching for answers about his father, Colter is pulled into a tense case involving a teenage boy's missing parents, uncovering a dangerous situation far more complicated than it first appears.

Lindsay, Halstead and Mouse search for a connection when two shootings take place in gang territory; a candlelight vigil is held for a young boy who was murdered in the first shooting.

Louisiana investigators find Andrew Jasmine in front of his home video game console, riddled with bullet holes; and with shell casings from two different firearms, the crime scene bears the hallmarks of a criminal conspiracy.

Voight wants to make his former cellmate a confidential informant as the unit tries to take down a big cocaine supplier and local dealers; Burgess makes a decision about her relationship with Ruzek; Roman works with Firehouse 51 to fund a wedding.

Lindsay goes undercover in hopes of finding a police officer who targets women leaving a local casino; Burgess needs Platt's approval to move forward with her plan; Antonio offers to take Roman's place in an upcoming boxing match.

After escaping from a New York prison, convicted killer Gregory Yates (Dallas Roberts) heads to Chicago; SVU members Benson and Tutuola help investigate a triple homicide in Chicago; the team seeks a connection between Yates and a missing woman.

Burgess finds heroin in a duffel bag belonging to a mild-mannered and respected college professor; Roman talks to Platt about his career; Halstead takes an off-duty security job working for the attractive owner of a medical marijuana clinic.

Lindsay, Halstead and Mouse search for a connection when two shootings take place in gang territory; a candlelight vigil is held for a young boy who was murdered in the first shooting.

During a bank run for his off-duty security job, Halstead and his co-workers are attacked by a violent robbery crew, which leads to a shootout; Voight and Lindsay talk to a dispensary owner who says her business has received threats from local gangs.

The team discovers a secret battered woman's shelter and learns that the owner has been wounded and a resident has been abducted; Burgess and Roman track down a man who has been catfishing people on a dating app to rob them.

Police discover a murdered teenage girl was involved in a love triangle.

Todd Kendhammer claims his wife was killed in a car accident; the forensic evidence doesn't back him up; when a new defense team, known for working on the Steve Avery case is hired, they bring in their own forensic experts who contradict the case.

When Leslie Neulander's death is declared accidental, forensic investigators sound the alarm that it was no accident.

Detective Pryma asks for Severide's help on a case involving explosives; Gallo and Carver clash.

Severide struggles with the cost of helping Det. Pryma with the Martucci case; Gallo campaigns for Herrmann to represent 51 at the National Firefighter's Association's Winter Conference; a familiar face makes a shocking return.

Detective Pryma's case comes to an explosive end with Kidd and Carver's lives in danger; Brett installs an infant safe surrender box at 51; Violet is determined to take Emma down.

Firehouse 51 prepares for their semi-annual firehouse inspection; Brett fights to save her paramedicine program; Commander Martin Pearce asks Severide for a favor.

Truck and squad clash after a tense call rescuing a doomsday prepper; Herrmann struggles with Cindy's diagnosis; Violet gives Brett and Gallo dating advice.

Firehouse 51 helps Herrmann put on a school fundraiser; Carver's troubled brother comes to town; a grateful citizen is determined to thank Brett and Severide for saving his life.

An annoying floater takes a romantic interest in Violet; Ritter catches a local politician in a compromising position; Mouch and Severide help Trudy with an arson investigation.

Detective Pryma asks for Severide's help on a case involving explosives; Gallo and Carver clash.

Severide struggles with the cost of helping Det. Pryma with the Martucci case; Gallo campaigns for Herrmann to represent 51 at the National Firefighter's Association's Winter Conference; a familiar face makes a shocking return.

Detective Pryma's case comes to an explosive end with Kidd and Carver's lives in danger; Brett installs an infant safe surrender box at 51; Violet is determined to take Emma down.

Firehouse 51 prepares for their semi-annual firehouse inspection; Brett fights to save her paramedicine program; Commander Martin Pearce asks Severide for a favor.

Truck and squad clash after a tense call rescuing a doomsday prepper; Herrmann struggles with Cindy's diagnosis; Violet gives Brett and Gallo dating advice.

Firehouse 51 helps Herrmann put on a school fundraiser; Carver's troubled brother comes to town; a grateful citizen is determined to thank Brett and Severide for saving his life.

An annoying floater takes a romantic interest in Violet; Ritter catches a local politician in a compromising position; Mouch and Severide help Trudy with an arson investigation.

Detective Pryma asks for Severide's help on a case involving explosives; Gallo and Carver clash.

Severide struggles with the cost of helping Det. Pryma with the Martucci case; Gallo campaigns for Herrmann to represent 51 at the National Firefighter's Association's Winter Conference; a familiar face makes a shocking return.

Detective Pryma's case comes to an explosive end with Kidd and Carver's lives in danger; Brett installs an infant safe surrender box at 51; Violet is determined to take Emma down.

Firehouse 51 prepares for their semi-annual firehouse inspection; Brett fights to save her paramedicine program; Commander Martin Pearce asks Severide for a favor.

Truck and squad clash after a tense call rescuing a doomsday prepper; Herrmann struggles with Cindy's diagnosis; Violet gives Brett and Gallo dating advice.

Police discover a murdered teenage girl was involved in a love triangle.

Todd Kendhammer claims his wife was killed in a car accident; the forensic evidence doesn't back him up; when a new defense team, known for working on the Steve Avery case is hired, they bring in their own forensic experts who contradict the case.

A man returns to his hometown after years away; he receives a warm welcome from the residents until the noise from a new neighbor's puppies turns him into a vengeful menace who goes to war with the entire community.

A suitcase filled with unidentified human remains unlocks a missing person's case that has gone unsolved for years; the forensic analysis of a nearly-destroyed cellphone found in the suitcase reveals a mysterious selfie.

A routine protection job goes awry when an explosion in a hotel kitchen masks the kidnapping of the wife of the man the team is guarding.

A man returns to his hometown after years away; he receives a warm welcome from the residents until the noise from a new neighbor's puppies turns him into a vengeful menace who goes to war with the entire community.

A suitcase filled with unidentified human remains unlocks a missing person's case that has gone unsolved for years; the forensic analysis of a nearly-destroyed cellphone found in the suitcase reveals a mysterious selfie.

A routine protection job goes awry when an explosion in a hotel kitchen masks the kidnapping of the wife of the man the team is guarding.

A man returns to his hometown after years away; he receives a warm welcome from the residents until the noise from a new neighbor's puppies turns him into a vengeful menace who goes to war with the entire community.

A routine protection job goes awry when an explosion in a hotel kitchen masks the kidnapping of the wife of the man the team is guarding.

A suitcase filled with unidentified human remains unlocks a missing person's case that has gone unsolved for years; the forensic analysis of a nearly-destroyed cellphone found in the suitcase reveals a mysterious selfie.

Kidd, Seager and Carver investigate a fire at the city stables; Kylie clashes with some of the firefighters over changes due to budget cuts; Herrmann struggles to keep it together as Cindy's condition worsens.

Cruz feels the burden of his increased responsibilities; Kidd, Gallo and Carver get caught in the middle of a gang war on a call; Herrmann wrangles Trudy for help lifting Cindy's mood.

Mouch builds a classic fire truck model for the Deputy District Chief but needs assistance from Gallo and Ritter; Brett and Violet encounter multiple victims with a strange set of symptoms; Cindy's chemotherapy results loom over the Herrmann family.

A familiar face returns to Firehouse 51 to serve with Kidd on a special task force; with Tony close to breaking the CFD's perfect attendance record, Mouch and Capp work to keep him safe; old grudges resurface when Gallo reunites with a family member.

Boden, Ritter, Herrmann and Kidd work together to take down a local politician responsible for a chemical fire; after his aunt's accident, Gallo worries about their future; Brett steps in to perform Dylan's magic show when he's out of town.

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.

Adam confronts Jessica for ghosting him and discovers she made assumptions about Kyran's identity; Adam's world is thrown into disarray when Jessica is rushed to hospital during his dad's birthday party, and Kelly seems to know the reason why.

When the property for Bumpy's new club is being sold to a powerful, white real-estate developer, Bumpy must convince the black "Straw Man" to sell it to him instead; Mayme and Elise stage a protest at Margaret's school.

Bumpy battles a union strike threatening club construction; Elise bails out a fellow Panther; Frank faces consequences for Cowboy Nick's murder.

Mouch builds a classic fire truck model for the Deputy District Chief but needs assistance from Gallo and Ritter; Brett and Violet encounter multiple victims with a strange set of symptoms; Cindy's chemotherapy results loom over the Herrmann family.

A familiar face returns to Firehouse 51 to serve with Kidd on a special task force; with Tony close to breaking the CFD's perfect attendance record, Mouch and Capp work to keep him safe; old grudges resurface when Gallo reunites with a family member.

Adam confronts Jessica for ghosting him and discovers she made assumptions about Kyran's identity; Adam's world is thrown into disarray when Jessica is rushed to hospital during his dad's birthday party, and Kelly seems to know the reason why.

When the property for Bumpy's new club is being sold to a powerful, white real-estate developer, Bumpy must convince the black "Straw Man" to sell it to him instead; Mayme and Elise stage a protest at Margaret's school.

Bumpy battles a union strike threatening club construction; Elise bails out a fellow Panther; Frank faces consequences for Cowboy Nick's murder.

This true-crime series tells the chilling tales of those most unfortunate souls who unwittingly take up residence within a stone's throw of a psycho or killer.

When Lanell Barsock is found murdered, it seems obvious to all that her boyfriend did it; when the forensic evidence comes in, investigators are astonished to learn they've arrested the wrong person.

A woman kidnaps another woman and holds her hostage; when the situation escalates quickly, team members question how things was handled.

This true-crime series tells the chilling tales of those most unfortunate souls who unwittingly take up residence within a stone's throw of a psycho or killer.

When Lanell Barsock is found murdered, it seems obvious to all that her boyfriend did it; when the forensic evidence comes in, investigators are astonished to learn they've arrested the wrong person.

A woman kidnaps another woman and holds her hostage; when the situation escalates quickly, team members question how things was handled.

This true-crime series tells the chilling tales of those most unfortunate souls who unwittingly take up residence within a stone's throw of a psycho or killer.

A woman kidnaps another woman and holds her hostage; when the situation escalates quickly, team members question how things was handled.

When Lanell Barsock is found murdered, it seems obvious to all that her boyfriend did it; when the forensic evidence comes in, investigators are astonished to learn they've arrested the wrong person.

Dr. Manning and Dr. Charles assist in a complicated case helping a child who is no stranger to the ED; Dr. Marcel and Dr. Choi tend to a police officer with a mysterious gunshot wound; relationships are put to the test as secrets are revealed.

Dr. Charles and Goodwin fear Dr. Halstead is repeating his past mistakes when a patient with early onset Alzheimer's is brought into the E.D.; Maggie and Ben are concerned when one of Ben's students is admitted; Dr. Manning and Dr. Marcel disagree.

Dr. Charles evaluates a 15-year-old who is brought into the E.D. after an apparent fall off an overpass; Will sides with Dr. Asher on a risky treatment plan; tensions run high between Dr. Choi and Dr. Marcel.

Dr. Crockett is visited by two New Orleans detectives who have questions about his past; Dr. Choi puts his life in danger to save a child; Dr. Charles gives fatherly advice to his young daughter.

The staff adjusts to the new normal of the pandemic; Dr. Choi, Dr. Lanik and April fight on the front lines; Dr. Halstead and Hannah face a troubling reality; Dr. Charles tries to clear the air with his daughter following recent developments.

Goodwin announces a new ED Chief, and the choice doesn't make everyone happy; Dr. Manning takes a stand for her patient and finds herself dealing with the repercussions; Dr. Charles tends to family affairs.

Dr. Charles and April team up to take on a mysterious patient in the ED; Dr. Halstead is forced to make a life-or-death decision for one of his trial patients; Dr. Marcel is confronted by his past when a former acquaintance is brought into the ED.

Dr. Manning and Dr. Charles assist in a complicated case helping a child who is no stranger to the ED; Dr. Marcel and Dr. Choi tend to a police officer with a mysterious gunshot wound; relationships are put to the test as secrets are revealed.

Dr. Charles and Goodwin fear Dr. Halstead is repeating his past mistakes when a patient with early onset Alzheimer's is brought into the E.D.; Maggie and Ben are concerned when one of Ben's students is admitted; Dr. Manning and Dr. Marcel disagree.

Dr. Charles evaluates a 15-year-old who is brought into the E.D. after an apparent fall off an overpass; Will sides with Dr. Asher on a risky treatment plan; tensions run high between Dr. Choi and Dr. Marcel.

Dr. Crockett is visited by two New Orleans detectives who have questions about his past; Dr. Choi puts his life in danger to save a child; Dr. Charles gives fatherly advice to his young daughter.

The staff adjusts to the new normal of the pandemic; Dr. Choi, Dr. Lanik and April fight on the front lines; Dr. Halstead and Hannah face a troubling reality; Dr. Charles tries to clear the air with his daughter following recent developments.

Goodwin announces a new ED Chief, and the choice doesn't make everyone happy; Dr. Manning takes a stand for her patient and finds herself dealing with the repercussions; Dr. Charles tends to family affairs.

Dr. Charles and April team up to take on a mysterious patient in the ED; Dr. Halstead is forced to make a life-or-death decision for one of his trial patients; Dr. Marcel is confronted by his past when a former acquaintance is brought into the ED.

Dr. Manning and Dr. Charles assist in a complicated case helping a child who is no stranger to the ED; Dr. Marcel and Dr. Choi tend to a police officer with a mysterious gunshot wound; relationships are put to the test as secrets are revealed.

A peaceful suburb turns upside down when a family learns that the neighbor has kept a secret wife locked in his home for years; things escalate when the family helps her escape with her baby, leading to a bitter feud that ends in terrible bloodshed.

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.

Ed is called to the scene when an SRU veteran locks himself in a safe room with the intent to commit suicide.

A peaceful suburb turns upside down when a family learns that the neighbor has kept a secret wife locked in his home for years; things escalate when the family helps her escape with her baby, leading to a bitter feud that ends in terrible bloodshed.

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.

Ed is called to the scene when an SRU veteran locks himself in a safe room with the intent to commit suicide.

A peaceful suburb turns upside down when a family learns that the neighbor has kept a secret wife locked in his home for years; things escalate when the family helps her escape with her baby, leading to a bitter feud that ends in terrible bloodshed.

Ed is called to the scene when an SRU veteran locks himself in a safe room with the intent to commit suicide.

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.

The first responders continue to deal with the fallout of a massive earthquake; Athena tries to keep the peace as Bobby and team continue to rescue victims from a collapsing high-rise hotel; Maddie must help a pregnant couple deliver their baby.

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.

Maggie struggles to find the right time to come clean about what happened with Liam while Cal gets an unexpected visitor.

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

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.

Maggie struggles to find the right time to come clean about what happened with Liam while Cal gets an unexpected visitor.

The first responders continue to deal with the fallout of a massive earthquake; Athena tries to keep the peace as Bobby and team continue to rescue victims from a collapsing high-rise hotel; Maddie must help a pregnant couple deliver their baby.

After years of a married couple ruling their street, a new neighbor who doesn't abide by them moves in; years of tension fester between the two parties until one is pushed over the edge, resulting in a shocking double-execution.

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.

A mission comes back to haunt Ed; a member of the team struggles to stay alive after getting caught in a sniper's fire.

After years of a married couple ruling their street, a new neighbor who doesn't abide by them moves in; years of tension fester between the two parties until one is pushed over the edge, resulting in a shocking double-execution.

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.

A mission comes back to haunt Ed; a member of the team struggles to stay alive after getting caught in a sniper's fire.

After years of a married couple ruling their street, a new neighbor who doesn't abide by them moves in; years of tension fester between the two parties until one is pushed over the edge, resulting in a shocking double-execution.

A mission comes back to haunt Ed; a member of the team struggles to stay alive after getting caught in a sniper's fire.

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.

Dr. Marcel and Dr. Manning lay everything on the line to assist a sick woman; Dr. Halstead faces an uphill battle in getting participants involved in his clinical trial; Dr. Choi clashes with a patient who demands absolute perfection of himself.

Dr. Halstead finds continued success in his trial; Dr. Charles' daughter, Anna, receives life-changing news; Noah finds himself in a situation not even April can fix.

Choi helps a patient with chronic pain find a solution; Halstead considers a new path; Charles and Anna bond over a scary situation.

Halstead runs into trouble when one of his trial patients falls ill; his own stress and symptoms have Choi struggling to get through the day.

Choi hires an old Navy colleague to join him in the ED; a final custody hearing threatens to separate Charles and his daughter; Maggie must make a choice that will change Auggie's life.