Emily Chase learns of her true identity as the daughter of Faraz Hamzad while outside forces threaten her and her new family.

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.

Dan Chase and Harold Harper are now in Afghanistan; they have to evade the Taliban in order to save Emily.

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.

Emily Chase learns of her true identity as the daughter of Faraz Hamzad while outside forces threaten her and her new family.

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.

After a hated restaurateur's food truck explodes, Charlie and Rex find themselves with a few too many suspects.

Charlie looks into a morning show host after her husband is found dead.

With a gallery curator found murdered on his showroom floor and a missing sculpture, Charlie, Rex and Sarah are thrown into the world of high art.

When an activist is killed during a break-in at a water bottling plant, the evidence seems to point toward his partner-in-crime.

After a hated restaurateur's food truck explodes, Charlie and Rex find themselves with a few too many suspects.

Charlie looks into a morning show host after her husband is found dead.

With a gallery curator found murdered on his showroom floor and a missing sculpture, Charlie, Rex and Sarah are thrown into the world of high art.

When an activist is killed during a break-in at a water bottling plant, the evidence seems to point toward his partner-in-crime.

After a hated restaurateur's food truck explodes, Charlie and Rex find themselves with a few too many suspects.

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

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

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

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

The only witness to the beating of a woman (Judy Kuhn) is her daughter (Paulina Gerzon) who has Williams syndrome.

Detectives link the stabbing death of a schoolteacher to her volunteer job at a victims rehabilitation center, where she was working with an Iraqi who helped uncover some military secrets.

As they prepare to attend an exclusive event on the vampire social calendar, the vampires try to survive without Guillermo.

Guillermo's fate hangs in the balance as the vampires receive a promotion.

A forbidden artifact is used to help Nandor court a health club employee.

An old flame returns, and an ancient vehicle is resurrected.

As they prepare to attend an exclusive event on the vampire social calendar, the vampires try to survive without Guillermo.

Guillermo's fate hangs in the balance as the vampires receive a promotion.

A forbidden artifact is used to help Nandor court a health club employee.

An old flame returns, and an ancient vehicle is resurrected.

As they prepare to attend an exclusive event on the vampire social calendar, the vampires try to survive without Guillermo.

Guillermo's fate hangs in the balance as the vampires receive a promotion.

A forbidden artifact is used to help Nandor court a health club employee.

An old flame returns, and an ancient vehicle is resurrected.

The only witness to the beating of a woman (Judy Kuhn) is her daughter (Paulina Gerzon) who has Williams syndrome.

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.

Charlie looks into a morning show host after her husband is found dead.

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.

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.

When Donovan's ex, a recovering addict, wakes up with blood on her hands and a dead roommate in her apartment, the team moves quickly, finding there's more to the story.

When a deadly car accident leads Charlie and Rex to investigate reports of a mysterious blue light in the sky, they discover the truth is more science than fiction.

Charlie and Rex have a run-in with a wanted criminal, when his past catches up with him.

Charlie and Rex investigate a hot case under cold conditions when a figure skating coach is found dead.

When Donovan's ex, a recovering addict, wakes up with blood on her hands and a dead roommate in her apartment, the team moves quickly, finding there's more to the story.

When a deadly car accident leads Charlie and Rex to investigate reports of a mysterious blue light in the sky, they discover the truth is more science than fiction.

Charlie and Rex have a run-in with a wanted criminal, when his past catches up with him.

Charlie and Rex investigate a hot case under cold conditions when a figure skating coach is found dead.

When Donovan's ex, a recovering addict, wakes up with blood on her hands and a dead roommate in her apartment, the team moves quickly, finding there's more to the story.

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.

Detectives link the stabbing death of a schoolteacher to her volunteer job at a victims rehabilitation center, where she was working with an Iraqi who helped uncover some military secrets.

The only witness to the beating of a woman (Judy Kuhn) is her daughter (Paulina Gerzon) who has Williams syndrome.

Detectives link the stabbing death of a schoolteacher to her volunteer job at a victims rehabilitation center, where she was working with an Iraqi who helped uncover some military secrets.

When a collegian is found dead in her formalwear, detectives recognize the body's mutilation as that of the copycat of a serial killer; a woman goes missing, and comic books are the key to finding her.

Detectives discover a kidnapped girl in the trunk of a stolen rental car; the suspect's rage seriously injures Stabler; the trial forces Novak to face dark things in her past.

Liam McPoyle teams up with the Lawyer to sue Bill Ponderosa for his lost eye; old grievances resurface.

Dennis tries to create a mobile Paddy's pub experience but receives no help from customers; Mac and Charlie try to catch a thieving leprechaun.

The gang tries to shake things up by going on a cruise but find that old habits die hard even out at sea.

While facing eminent death, Charlie, Mac, Dee, Dennis and Frank take the time to finally get real with one another.

Liam McPoyle teams up with the Lawyer to sue Bill Ponderosa for his lost eye; old grievances resurface.

Dennis tries to create a mobile Paddy's pub experience but receives no help from customers; Mac and Charlie try to catch a thieving leprechaun.

The gang tries to shake things up by going on a cruise but find that old habits die hard even out at sea.

While facing eminent death, Charlie, Mac, Dee, Dennis and Frank take the time to finally get real with one another.

Liam McPoyle teams up with the Lawyer to sue Bill Ponderosa for his lost eye; old grievances resurface.

Dennis tries to create a mobile Paddy's pub experience but receives no help from customers; Mac and Charlie try to catch a thieving leprechaun.

The gang tries to shake things up by going on a cruise but find that old habits die hard even out at sea.

While facing eminent death, Charlie, Mac, Dee, Dennis and Frank take the time to finally get real with one another.

When a deadly car accident leads Charlie and Rex to investigate reports of a mysterious blue light in the sky, they discover the truth is more science than fiction.

Charlie and Rex have a run-in with a wanted criminal, when his past catches up with him.

After a murder at the shipping container port, Charlie and Rex partner with a Border Security officer to track down the mastermind behind a smuggling ring.

Charlie and Rex pull apart the secrets of a local band when their lead singer is found dead on the beach.

The clock is ticking as Charlie and Rex attempt to find a murderer before the victim can succumb to the poison slowly killing them.

Charlie and Rex are on the case after a social media star dies while livestreaming her wedding.

After a murder at the shipping container port, Charlie and Rex partner with a Border Security officer to track down the mastermind behind a smuggling ring.

Charlie and Rex pull apart the secrets of a local band when their lead singer is found dead on the beach.

The clock is ticking as Charlie and Rex attempt to find a murderer before the victim can succumb to the poison slowly killing them.

Charlie and Rex are on the case after a social media star dies while livestreaming her wedding.

After a murder at the shipping container port, Charlie and Rex partner with a Border Security officer to track down the mastermind behind a smuggling ring.

Charlie and Rex pull apart the secrets of a local band when their lead singer is found dead on the beach.

When a collegian is found dead in her formalwear, detectives recognize the body's mutilation as that of the copycat of a serial killer; a woman goes missing, and comic books are the key to finding her.

Detectives discover a kidnapped girl in the trunk of a stolen rental car; the suspect's rage seriously injures Stabler; the trial forces Novak to face dark things in her past.

When a collegian is found dead in her formalwear, detectives recognize the body's mutilation as that of the copycat of a serial killer; a woman goes missing, and comic books are the key to finding her.

Detectives discover a kidnapped girl in the trunk of a stolen rental car; the suspect's rage seriously injures Stabler; the trial forces Novak to face dark things in her past.

The death of a young girl appears to link to the world of ultimate fighting, and tensions rise within the department when two brothers (Gaius Charles, Arlen Escarpeta) are charged with the crime.

A nanny's Internet love interest (Steven Bauer) is the obvious suspect when she is found murdered, but detectives look more closely at her employers (Mark Valley, Anastasia Griffith) when skeletons are found in their closet.

The vampires embark on a road trip from which they may never return.

Justice is served, both vampirically and also in small claims court.

An ancient beast escapes and threatens the existence of all vampires everywhere.

Two travelers are shipwrecked, and a doll runs away from home.

The vampires embark on a road trip from which they may never return.

Justice is served, both vampirically and also in small claims court.

An ancient beast escapes and threatens the existence of all vampires everywhere.

Two travelers are shipwrecked, and a doll runs away from home.

The vampires embark on a road trip from which they may never return.

Justice is served, both vampirically and also in small claims court.

An ancient beast escapes and threatens the existence of all vampires everywhere.

Two travelers are shipwrecked, and a doll runs away from home.

The clock is ticking as Charlie and Rex attempt to find a murderer before the victim can succumb to the poison slowly killing them.

Charlie and Rex are on the case after a social media star dies while livestreaming her wedding.

As Charlie and Rex head into the woods to track a missing photographer, a mysterious organization throws the investigation off its trail.

Charlie and Rex investigate a fantasy role-playing game turned deadly when a player is found slain by a sword.

Charlie and Rex are in deep water after a university rower is shot by a sniper during team practice.

Cultures clash when the death of a Parisian journalist has Charlie and Rex partnering with a French detective in an investigation that whisks the team to Saint Pierre and Miquelon.

As Charlie and Rex head into the woods to track a missing photographer, a mysterious organization throws the investigation off its trail.

Charlie and Rex investigate a fantasy role-playing game turned deadly when a player is found slain by a sword.

Charlie and Rex are in deep water after a university rower is shot by a sniper during team practice.

Cultures clash when the death of a Parisian journalist has Charlie and Rex partnering with a French detective in an investigation that whisks the team to Saint Pierre and Miquelon.

As Charlie and Rex head into the woods to track a missing photographer, a mysterious organization throws the investigation off its trail.

Charlie and Rex investigate a fantasy role-playing game turned deadly when a player is found slain by a sword.

The death of a young girl appears to link to the world of ultimate fighting, and tensions rise within the department when two brothers (Gaius Charles, Arlen Escarpeta) are charged with the crime.

A nanny's Internet love interest (Steven Bauer) is the obvious suspect when she is found murdered, but detectives look more closely at her employers (Mark Valley, Anastasia Griffith) when skeletons are found in their closet.

The death of a young girl appears to link to the world of ultimate fighting, and tensions rise within the department when two brothers (Gaius Charles, Arlen Escarpeta) are charged with the crime.

A nanny's Internet love interest (Steven Bauer) is the obvious suspect when she is found murdered, but detectives look more closely at her employers (Mark Valley, Anastasia Griffith) when skeletons are found in their closet.

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

Voight's new Internal Affairs handler proves to be suspicious of his actions; Voight must work with his former partner from the Gang Unit; Halsted enlists Jin to help him gather more information on Lonnie Rodiger; Olinsky takes Ruzek down a peg.

After an electric heating blanket shorts out while the gang watches "The Wiz," they look in the mirror and realize they've turned black; to get back to being themselves they go through all manner of classic body-switch movie shenanigans.

Evan and Harry plan the homecoming dance and a student struggles with a new disease.

Evan tries to get a new school club to shut down.

The group heads to the water park, each with an ulterior motive; Dennis takes on a protege; Frank and Charlie are determined to ride every ride; Mac and Dee get stuck in a tube slide.

Evan tries to get a new school club to shut down.

After an electric heating blanket shorts out while the gang watches "The Wiz," they look in the mirror and realize they've turned black; to get back to being themselves they go through all manner of classic body-switch movie shenanigans.

The group heads to the water park, each with an ulterior motive; Dennis takes on a protege; Frank and Charlie are determined to ride every ride; Mac and Dee get stuck in a tube slide.

Evan and Harry plan the homecoming dance and a student struggles with a new disease.

Evan tries to get a new school club to shut down.

After an electric heating blanket shorts out while the gang watches "The Wiz," they look in the mirror and realize they've turned black; to get back to being themselves they go through all manner of classic body-switch movie shenanigans.

Evan and Harry plan the homecoming dance and a student struggles with a new disease.

The group heads to the water park, each with an ulterior motive; Dennis takes on a protege; Frank and Charlie are determined to ride every ride; Mac and Dee get stuck in a tube slide.

Charlie and Rex are in deep water after a university rower is shot by a sniper during team practice.

Cultures clash when the death of a Parisian journalist has Charlie and Rex partnering with a French detective in an investigation that whisks the team to Saint Pierre and Miquelon.

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

Charlie and Rex follow the route of a killer after a tech engineer is found dead in her company's self-driving car.

When a prominent member of an exclusive dating app is found with an arrow through his heart, Charlie must go under cover in the online dating scene.

When the circumstances of a murder appear to mimic a contentious crime from twenty years earlier, Charlie and Rex must connect the past to the present while fending off a true crime podcaster.

Charlie and Rex follow the route of a killer after a tech engineer is found dead in her company's self-driving car.

When a prominent member of an exclusive dating app is found with an arrow through his heart, Charlie must go under cover in the online dating scene.

When the circumstances of a murder appear to mimic a contentious crime from twenty years earlier, Charlie and Rex must connect the past to the present while fending off a true crime podcaster.

Charlie and Rex follow the route of a killer after a tech engineer is found dead in her company's self-driving car.

When a prominent member of an exclusive dating app is found with an arrow through his heart, Charlie must go under cover in the online dating scene.

When the circumstances of a murder appear to mimic a contentious crime from twenty years earlier, Charlie and Rex must connect the past to the present while fending off a true crime podcaster.

Voight's new Internal Affairs handler proves to be suspicious of his actions; Voight must work with his former partner from the Gang Unit; Halsted enlists Jin to help him gather more information on Lonnie Rodiger; Olinsky takes Ruzek down a peg.

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

Voight's new Internal Affairs handler proves to be suspicious of his actions; Voight must work with his former partner from the Gang Unit; Halsted enlists Jin to help him gather more information on Lonnie Rodiger; Olinsky takes Ruzek down a peg.

Burgess and Atwater come across a gunshot victim and the only witness is Olinsky's daughter; Ruzek goes to Burgess for help with an undercover mission.

Halstead's badge is revoked when Lonnie Rodiger is found dead; Severide (Taylor Kinney) and Clarke (Peter Mills) find Dr. Elliot's torso; Sumner (Sydney Tamiia Poitier) tries to prove herself; Lindsay shares a moment with Severide.

Dueling gangs are suspected when a massacre occurs and $8 million is stolen; Platt asks Ruzek for help.

The weekend of Super Bowl LII from Charlie's perspective; while Charlie searches the back office, Cricket steals the suit leaving Charlie home alone to defend himself.

In the most important weekend of their lives, Frank treats the gang and a crew of their ragtag hangers-on with tickets to see the Eagles in the Super Bowl.

Young Aaron grows up with high aspirations and immense pressure for his football career; when tragedy strikes, his fate falls into new hands.

Aaron faces college level competition on the field and distractions off of it; he learns that the rules work differently when you're a team asset.

The weekend of Super Bowl LII from Charlie's perspective; while Charlie searches the back office, Cricket steals the suit leaving Charlie home alone to defend himself.

In the most important weekend of their lives, Frank treats the gang and a crew of their ragtag hangers-on with tickets to see the Eagles in the Super Bowl.

Young Aaron grows up with high aspirations and immense pressure for his football career; when tragedy strikes, his fate falls into new hands.

Aaron faces college level competition on the field and distractions off of it; he learns that the rules work differently when you're a team asset.

Young Aaron grows up with high aspirations and immense pressure for his football career; when tragedy strikes, his fate falls into new hands.

Aaron faces college level competition on the field and distractions off of it; he learns that the rules work differently when you're a team asset.

Dueling gangs are suspected when a massacre occurs and $8 million is stolen; Platt asks Ruzek for help.

Charlie and Rex head underground into an allegedly haunted mine after a crew member turns up dead during a horror film shoot.

Charlie and Rex investigate the long list of enemies surrounding a vitriolic celebrity chef after a finger turns up in his Beef Wellington.

Charlie is unable to let a serial arsonist case rest, even when he is in the hospital with a broken leg; working from his bed, he hopes to identify the arsonist before he strikes again.

Charlie and Rex head underground into an allegedly haunted mine after a crew member turns up dead during a horror film shoot.

Charlie and Rex investigate the long list of enemies surrounding a vitriolic celebrity chef after a finger turns up in his Beef Wellington.

Charlie is unable to let a serial arsonist case rest, even when he is in the hospital with a broken leg; working from his bed, he hopes to identify the arsonist before he strikes again.

Charlie and Rex head underground into an allegedly haunted mine after a crew member turns up dead during a horror film shoot.

Charlie and Rex investigate the long list of enemies surrounding a vitriolic celebrity chef after a finger turns up in his Beef Wellington.

Charlie is unable to let a serial arsonist case rest, even when he is in the hospital with a broken leg; working from his bed, he hopes to identify the arsonist before he strikes again.

Burgess and Atwater come across a gunshot victim and the only witness is Olinsky's daughter; Ruzek goes to Burgess for help with an undercover mission.

Halstead's badge is revoked when Lonnie Rodiger is found dead; Severide (Taylor Kinney) and Clarke (Peter Mills) find Dr. Elliot's torso; Sumner (Sydney Tamiia Poitier) tries to prove herself; Lindsay shares a moment with Severide.

Dueling gangs are suspected when a massacre occurs and $8 million is stolen; Platt asks Ruzek for help.

As Voight and his team search for the bombers, they realize there might be more bombs set to detonate; Burgess' niece fights for her life.

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

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

As vitality expires, two old friends are led through unique journeys of retrospection.

Grief and peril dominate Gino; the discovery of a tragedy becomes a revelation for Adam.

Mysterious deaths and disappearances ramp up in the city; a doctor makes a frightening discovery, and a local reporter becomes tomorrow's headline.

Gino grapples with his trauma; Patrick's search takes him to dark places; a stranger contacts Hannah with a grave warning.

Without the NYPD's help, Gino is forced to get resourceful; a traumatizing event brings dangerous suspects closer than ever.

As darkness consumes the city, evil takes root in the unlikeliest of places.

Hannah receives concerning news while Patrick suffers a loss; the city's most dangerous resident reveals his true motives.

A chilling event from Patrick's past returns to haunt him; Gino and Henry are determined to uncover it at any cost.

Nandor visits one of his living descendants; a lover from Nadja's past reemerges.

As Voight and his team search for the bombers, they realize there might be more bombs set to detonate; Burgess' niece fights for her life.

Charlie and Rex find themselves at the mercy of a dangerous crime kingpin from their past when they enlist his help on a case.

When Sarah´s former professor is allegedly framed for murder, Sarah calls Charlie and Rex to untangle the perfect crime.

After a woman is found dead in the snow, Charlie and Rex have a pool of unconnected suspects with only one thing in common -- the victim was convinced they were all her family.

Charlie and Rex find themselves at the mercy of a dangerous crime kingpin from their past when they enlist his help on a case.

When Sarah´s former professor is allegedly framed for murder, Sarah calls Charlie and Rex to untangle the perfect crime.

After a woman is found dead in the snow, Charlie and Rex have a pool of unconnected suspects with only one thing in common -- the victim was convinced they were all her family.

Charlie and Rex find themselves at the mercy of a dangerous crime kingpin from their past when they enlist his help on a case.

When Sarah´s former professor is allegedly framed for murder, Sarah calls Charlie and Rex to untangle the perfect crime.

After a woman is found dead in the snow, Charlie and Rex have a pool of unconnected suspects with only one thing in common -- the victim was convinced they were all her family.

As Voight and his team search for the bombers, they realize there might be more bombs set to detonate; Burgess' niece fights for her life.

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

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

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

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

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

Emily Chase learns of her true identity as the daughter of Faraz Hamzad while outside forces threaten her and her new family.

Dan and Emily Chase reunite for the first time in many years and must protect the Hamzad village from the Taliban.

Dan and Emily Chase reunite for the first time in many years and must protect the Hamzad village from the Taliban.

Emily Chase learns of her true identity as the daughter of Faraz Hamzad while outside forces threaten her and her new family.

Dan and Emily Chase reunite for the first time in many years and must protect the Hamzad village from the Taliban.

Emily Chase learns of her true identity as the daughter of Faraz Hamzad while outside forces threaten her and her new family.

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

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

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

On the third anniversary of Charlie and Rex´s partnership, Charlie recounts how a high-stakes kidnapping brought the duo together on their first case.

While on the hunt for an escaped murderer, Charlie and Rex are held hostage; when a greater threat emerges, Charlie and his captor are forced to work together if they´re going to make it out alive.

A mummified body is discovered in Newfoundland´s tundra; Charlie and Rex set off in search of a community of survivalists who may be harbouring a murderer.

A scuba diver washes ashore with his oxygen supply severed; Charlie dives into the Atlantic Ocean to uncover the secret he was killed to protect.

On the third anniversary of Charlie and Rex´s partnership, Charlie recounts how a high-stakes kidnapping brought the duo together on their first case.

While on the hunt for an escaped murderer, Charlie and Rex are held hostage; when a greater threat emerges, Charlie and his captor are forced to work together if they´re going to make it out alive.

A mummified body is discovered in Newfoundland´s tundra; Charlie and Rex set off in search of a community of survivalists who may be harbouring a murderer.

A scuba diver washes ashore with his oxygen supply severed; Charlie dives into the Atlantic Ocean to uncover the secret he was killed to protect.

On the third anniversary of Charlie and Rex´s partnership, Charlie recounts how a high-stakes kidnapping brought the duo together on their first case.

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

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

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

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

When a polygamist's wife is murdered, he fears his testimony in a separate case may have led to her death; a Web site exposes potential witnesses.

A wealthy teen is found murdered in New York's Central Park, and the clues lead to a gang of homeless children.

Nandor is persuaded to reject vampirism and pursue a healthier lifestyle.

Colin has a birthday, and a vampire says goodbye.

The housemates grieve the loss of one of their own.

The vampires return from their world travels to find their mansion on the verge of collapse and a freakish new creature in the house.

Nandor is persuaded to reject vampirism and pursue a healthier lifestyle.

Colin has a birthday, and a vampire says goodbye.

The housemates grieve the loss of one of their own.

The vampires return from their world travels to find their mansion on the verge of collapse and a freakish new creature in the house.

Nandor is persuaded to reject vampirism and pursue a healthier lifestyle.

Colin has a birthday, and a vampire says goodbye.

The housemates grieve the loss of one of their own.

The vampires return from their world travels to find their mansion on the verge of collapse and a freakish new creature in the house.

When a polygamist's wife is murdered, he fears his testimony in a separate case may have led to her death; a Web site exposes potential witnesses.

While on the hunt for an escaped murderer, Charlie and Rex are held hostage; when a greater threat emerges, Charlie and his captor are forced to work together if they´re going to make it out alive.

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

The near poisoning of a wealthy socialite throws the team into a perilous investigation that puts Charlie, Rex, and even Jesse in harms way.

A young woman is abducted from the very spot her friend was murdered two years earlier; Charlie and Rex race against time as they trail the suspects from the original investigation.

Rex is on trial after his DNA is discovered at the scene of the murder of Donovan's former police informant.

Charlie and Rex investigate a fairytale-turned-nightmare when a princess performer suspiciously dies at a child´s birthday party.

The near poisoning of a wealthy socialite throws the team into a perilous investigation that puts Charlie, Rex, and even Jesse in harms way.

A young woman is abducted from the very spot her friend was murdered two years earlier; Charlie and Rex race against time as they trail the suspects from the original investigation.

Rex is on trial after his DNA is discovered at the scene of the murder of Donovan's former police informant.

Charlie and Rex investigate a fairytale-turned-nightmare when a princess performer suspiciously dies at a child´s birthday party.

The near poisoning of a wealthy socialite throws the team into a perilous investigation that puts Charlie, Rex, and even Jesse in harms way.

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

A wealthy teen is found murdered in New York's Central Park, and the clues lead to a gang of homeless children.

When a polygamist's wife is murdered, he fears his testimony in a separate case may have led to her death; a Web site exposes potential witnesses.

A wealthy teen is found murdered in New York's Central Park, and the clues lead to a gang of homeless children.

A woman's body is found in a park alongside a man with a bullet in his head.

A young Jewish boy is brutally attacked, and the clues lead to a disturbed classmate as more victims begin to come forward.

Dennis reveals that he has a baby from his layover time in North Dakota and everyone offers solutions to the problem, but in the end, Dennis must decide which life to continue to lead.

Cindy, the new female member of the gang, successfully pulls off scams; everything works until Mac introduces a lifelike sex doll that looks exactly like Dennis.

To boost productivity, Dee hires an at-home "Escape Room Experience" service to come to Dennis and Mac's apartment.

To one-up the guys, Dee organizes an "all-female reboot" of the Wade Boggs challenge on a first-of-its-kind, all-female flight headed to Los Angeles for a women's march.

Dennis reveals that he has a baby from his layover time in North Dakota and everyone offers solutions to the problem, but in the end, Dennis must decide which life to continue to lead.

Cindy, the new female member of the gang, successfully pulls off scams; everything works until Mac introduces a lifelike sex doll that looks exactly like Dennis.

To boost productivity, Dee hires an at-home "Escape Room Experience" service to come to Dennis and Mac's apartment.

To one-up the guys, Dee organizes an "all-female reboot" of the Wade Boggs challenge on a first-of-its-kind, all-female flight headed to Los Angeles for a women's march.

Dennis reveals that he has a baby from his layover time in North Dakota and everyone offers solutions to the problem, but in the end, Dennis must decide which life to continue to lead.

Cindy, the new female member of the gang, successfully pulls off scams; everything works until Mac introduces a lifelike sex doll that looks exactly like Dennis.

To boost productivity, Dee hires an at-home "Escape Room Experience" service to come to Dennis and Mac's apartment.

To one-up the guys, Dee organizes an "all-female reboot" of the Wade Boggs challenge on a first-of-its-kind, all-female flight headed to Los Angeles for a women's march.

A young woman is abducted from the very spot her friend was murdered two years earlier; Charlie and Rex race against time as they trail the suspects from the original investigation.

Rex is on trial after his DNA is discovered at the scene of the murder of Donovan's former police informant.

Charlie and Rex are in grave danger as they find themselves captives of a kidnapper seeking vengeance.

An arsonist begins terrorizing a neighborhood with car bombs; Charlie and Rex race to find the next target before the case goes up in smoke.

When a murder appears to mimic an infamous crime spree from the past, Charlie and Rex rush to stop the culprit from continuing a serial killer's legacy.

Charlie lets Rex take the lead as they investigate a murder at a prestigious dog show.

Charlie and Rex are in grave danger as they find themselves captives of a kidnapper seeking vengeance.

An arsonist begins terrorizing a neighborhood with car bombs; Charlie and Rex race to find the next target before the case goes up in smoke.

When a murder appears to mimic an infamous crime spree from the past, Charlie and Rex rush to stop the culprit from continuing a serial killer's legacy.

Charlie lets Rex take the lead as they investigate a murder at a prestigious dog show.

Charlie and Rex are in grave danger as they find themselves captives of a kidnapper seeking vengeance.

An arsonist begins terrorizing a neighborhood with car bombs; Charlie and Rex race to find the next target before the case goes up in smoke.

A woman's body is found in a park alongside a man with a bullet in his head.

A young Jewish boy is brutally attacked, and the clues lead to a disturbed classmate as more victims begin to come forward.

A woman's body is found in a park alongside a man with a bullet in his head.

A young Jewish boy is brutally attacked, and the clues lead to a disturbed classmate as more victims begin to come forward.

The theft of fertilized embryos from a sperm bank leads the detectives to two publicity-hungry extremists.