5 seasons available
Voight teams up with an unlikely ally to take a killer off the streets while fighting to bring his Intelligence unit back together.
The Intelligence Unit races against time when a man from Torres' own neighborhood is violently abducted.
A homicide in the neighborhood where Burgess and Ruzek reside forces the team to investigate complicated relationships within the tight-knit community they call home.
A string of violent robberies across the city digs up one family's secrets; a surprising detail of Voight's past resurfaces.
Atwater reunites with an old friend from his academy days after a bombing rocks downtown Chicago.
Torres is dragged into a deadly conspiracy when a routine errand takes a violent turn.
Voight's suspicions ring true when a violent break-in steers the Intelligence Unit back to a chilling figure from a previous case.
Voight and the team work together to uncover the truth of the Bell case before more lives are lost.
Platt finds herself challenged when a simple favor for a former recruit spirals into something far more devastating.
Torres investigates the conspiracy surrounding the Morgan case, leading Intelligence into a tangled web of secrets.
Atwater pushes his personal life aside as he goes undercover in the flashy high-stakes world of carjacking.
Details about Imani's past emerge as the Intelligence Unit seeks the truth behind the sudden resurfacing of a decades-old missing child case.
An airfield emergency triggers a deeper mystery involving a passenger plane, propelling the Intelligence Unit into a high-stakes pursuit of the culprit, all under the sharp eye of the FBI.
Burgess takes a rookie officer under her wing as the team investigates a volatile drug case.
Ruzek grows suspicious when a DEA agent contacts him for details surrounding a missing informant.
Torres tries to stop the cycle of violence after a teenager is killed in an act of revenge.
Tensions between Voight and Imani begin to form when a series of ATM robberies hits the city.
A deadly house party leads the Intelligence Unit to uncover a family's alarming secret; Atwater faces a personal turning point.
Ruzek's investigation into a mysterious VHS tape found among his father's belongings has unexpected consequences, sending the Intelligence Unit scrambling to uncover the truth behind a cold case.
Imani struggles to maintain her composure when a new lead reignites her investigation into her sister's disappearance.
When a key witness refuses to cooperate, the Intelligence Unit is forced to rethink their strategy to locate a fleeing suspect; Imani must confront her past before it's too late.
The search for the suspect in a shooting uncovers a surprising personal connection to Atwater and Val, raising questions about their relationship status.
Voight and Chapman work together to uncover Deputy Chief Reid's shadow dealings as Reid assigns Intelligence to a carjacking case.
Cook works with a confidential informant for the first time in a robbery-murder case with links to a star college athlete.
Ruzek witnesses a tragic accident on an icy bridge, leading Intelligence into a dark, sinister case involving sex trafficking.
The showdown with Deputy Chief Reid intensifies when Intelligence narrows in on Otero.
Forced to cease operations while under investigation by Internal Affairs, Intelligence goes off-book to bring down Reid once and for all; Ruzek and Burgess consider delaying their nuptials amid the uncertainty.
The shocking murder of young boys affects Halstead; Crawford encourages Intelligence to use a new facial recognition software to help identify a suspect, but the plan backfires.
An investigation into a drug robbery gone wrong reveals Voight has ties to a teen linked to a double murder; Desk Sgt. Platt cares for a young girl.
A case involving one of Chicago's most wanted fugitives hits close to home with Olinsky; an altercation with another officer lands Sean Roman in hot water; Platt helps Nadia prepare for her polygraph test.
When District 21 goes after a Colombian drug gang following a series of brutal slayings, an asset in the investigation emerges.
Antonio believes a Colombian gang is involved in his son's kidnapping; Halstead learns new information about Lindsay; Voight offers Antonio a new way to get information about Diego's whereabouts.
Voight and the team check out a house that has been associated with a series of gangs; people from the past cause Halstead's temper to rise.
Olinsky tries to protect his daughter; a counterfeiting operation is investigated; when a hoarder is arrested, more than clutter is uncovered.
Atwater and Burgess must keep their new patrol car in mint condition; the Intelligence Unit uncovers drug smuggling; Voight's behavior toward Lindsay drives her right where he doesn't want her; tensions rise between Olinsky and Ruzek.
New York's SVU agents Fin and Rollins help track down a serial killer who rapes his victims; Burgess gets an opportunity to prove herself; Lindsay brings Halstead as her date to her high school reunion.
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; Halstead enlists Jin to help him gather more information on Lonnie Rodiger; Olinsky takes Ruzek down a peg.