First Aired:
Episode 1
The Silos
Intelligence investigates a murder-arson case as Voight and Lindsay continue to deal with the aftermath of Justin's death.
21 September 2016

Episode 2
Made a Wrong Turn
Intelligence searches for the fiance of a man found badly beaten in the most dangerous neighborhood of District 21.
28 September 2016

Episode 3
All Cylinders Firing
Platt and her father are brutally assaulted.
05 October 2016

Episode 4
Big Friends, Big Enemies
Intelligence investigates a shooting outside a concert that leads to a tangled web of gang-related violence.
12 October 2016

Episode 5
A War Zone
Intelligence tracks down the people who have been dealing a drug that's been linked to several overdoses throughout Chicago.
26 October 2016

Episode 6
Some Friend
A teenage girl is found dead in the home of a baseball player who's a friend of Olinsky's.
09 November 2016

Episode 7
Episodes 7 & 8: 300,000 Likes
The only witness in the case against a suspected serial rapist is found murdered. A highly trained killer declares war on the Chicago police department.
16 November 2016

Episode 9
Don't Bury This Case
Kelly Severide of Firehouse 51 is brought to the District for questioning when his car is found to have caused a deadly crash, so the team tracks down a group of carjackers that may prove Severide's innocence.
03 January 2017

Episode 10
Don't Read the News
When the body of a young woman is found, the Chicago police realize there's a serial killer at large after comparing her case with others.
04 January 2017

Episode 11
You Wish
When a mutilated sex offender is found dead, it is unclear if he was the victim of a hate crime, sexual assault or self-mutilation. As Intelligence questions those related to the case, they find themselves up against a private "special police" force who may be covering up illegal activities. Meanwhile, Halstead runs Jimmy's DNA to confirm that he is actually Lindsay's father.
11 January 2017

Episode 12
The investigation of a jogger's murder in the park is blocked by a church offering sanctuary to the prime suspects.
18 January 2017

Episode 13
I Remember Her Now
The body of a 15-year-old girl is found crushed in an abandoned building after she runs away from a treatment center for troubled girls. Voight sends Halstead undercover as a guard to work from the inside at the center, where he believes the girls are trading sexual favors for something in return.
08 February 2017

Episode 14
Seven Indictments
When a burnt body is found in a torched house along with an injured boy, Intelligence works to find the cause.
15 February 2017

Episode 15
Favor, Affection, Malice or Ill-Will
Intelligence re-opens a case when a grieving father seeks to avenge his daughter's murder.
22 February 2017

Episode 16
Emotional Proximity
Intelligence works to find the arsonist behind a warehouse fire that left Olinsky's daughter fighting for her life.
01 March 2017

Episode 17
Remember the Devil
A hiker leads intelligence to a woman being held hostage in the woods outside Chicago.
22 March 2017

Episode 18
Little Bit of Light
Intelligence investigates one of Chicago's wealthiest families when "Night Crawler" Bobby Trent is murdered.
29 March 2017

Episode 19
Last Minute Resistance
Burgess's sister becomes a sexual assault victim after she's encouraged to spend a night out with friends.
05 April 2017

Episode 20
Grasping for Salvation
Voight uncovers a connection between the murder of a teenage boy and a 17-year-old case.
26 April 2017

Episode 21
Intelligence uncovers a surprising crew of suspects in a series of bank robberies.
03 May 2017

Episode 22
Army of One
Intelligence tracks down a group of vigilantes torturing and killing pedophiles.
10 May 2017

Episode 23
Fork in the Road
Lindsay deals with the consequences of her actions when her mother is suspected of murder.
17 May 2017

Episode 1
Intelligence attempts to bust a gun deal that results in innocent bystanders getting shot.
27 September 2017

Episode 2
The Thing About Heroes
Anonymous A Muslim patrol officer is suspected of causing a van to explode during a Chicago street festival when he goes missing and evidence points to his being involved.
04 October 2017

Episode 3
A young Latina woman is brutally murdered and it's suspected she have been working as a drug mule until a different motive for her death is discovered.
11 October 2017

Episode 4
While investigating a drug-related homicide, Intelligence is stonewalled by the 'no-snitch' culture of the neighborhood. And Atwater discovers a personal connection to the case. Meanwhile, the police's own code of silence is put to the test when Upton is asked about Ruzek's rough altercation with a suspect.
18 October 2017

Episode 5
When Intelligence busts a meth lab run by gang leader Marshall Carter, they uncover a re-homing scam in which children adopted from foreign countries are abandoned, then sold online. Meanwhile, Atwater struggles with the difficult decision about whether to move his siblings Jordan and Vinessa to a safer environment outside of Chicago.
25 October 2017

Episode 6
A picture perfect family is shot dead in their home and the team goes in search of a drug dealer with a likely connection. Voight asks for the help of Vice Sergeant Sean McGrady who has an old beef with Upton. When McGrady turns up dead during the investigation, the case takes an unlikely turn.
08 November 2017

Episode 7
Care Under Fire
In the wake of several gang-related child abductions, Intelligence must race against time to find a kidnapped boy. Owing to their swiftness and military precision, the team scours the VA records and tracks the suspects to a former Army Ranger. With his previous experience as a Ranger, Halstead convinces Voight to send him undercover to try and get information from inside.
15 November 2017

Episode 8
A Congressman who's friends with Voight is found with a dead Ukrainian girl.
29 November 2017

Episode 9
The death of Judge Tommy Wells' daughter puts Intelligence on the track of a pill mill spreading into the suburbs of Chicago and the doctor enabling it. Meanwhile, Voight discovers who's been leaking information from the 21st.
06 December 2017

Episode 10
Rabbit Hole
Halstead's partying with Camila unintentionally puts him in the middle of a drug-related homicide. He's forced to choose between loyalty to his unit and his girl. Meanwhile, Voight finally discovers the mole in his unit.
03 January 2018

Episode 11
While trying to find the pimp, Intelligence stumbles on the women's shelter where he's scouting out girls. And Burgess moves the case forward with a series of confidential tips, but risks putting her informant in harm's way.
10 January 2018

Episode 12
Atwater disappears at the house of a convicted felon and Intelligence tries to rescue him.
17 January 2018

Episode 13
Chasing Monsters
Intelligence works with a visiting detective to take down a gang from El Salvador that has infiltrated Chicago.
31 January 2018

Episode 14
Intelligence investigates the murder of a basketball player following an anti-police rally and the case gets complicated when Woods' daughter gets involved.
07 February 2018

Episode 15
Intelligence tracks down a vigilante killing rapists and Burgess questions whether the men who attacked her sister have really been punished.
28 February 2018

Episode 16
Intelligence enlists Firehouse 51 to help prevent the latest in a series of bombings targeting the media.
07 March 2018

Episode 17
Breaking Point
A prominent Alderman known for his urban revitalization efforts is murdered; Olinsky receives an ultimatum from Woods.
14 March 2018

Episode 18
Upton resumes an undercover identity to take down a meth ring run by a former criminal contact; Voight calls in a favor for Olinsky when pressure from Woods mounts.
21 March 2018

Episode 19
A string of stash house robberies lead back to an unlikely individual; Voight confronts a key witness in the Bingham investigation.
11 April 2018

Episode 20
When Voight witnesses the kidnapping of a woman who's somehow connected to his past, Intelligence searches for a connection between the kidnapping and bank robberies.
18 April 2018

Episode 21
Halstead and Atwater go undercover to prevent military-grade weapons from hitting the street. Meanwhile, Voight calls in a favor as a last-ditch effort to clear Olinsky's name for Bingham's murder.
02 May 2018

Episode 22
Intelligence seeks justice for Olinsky when he's stabbed in prison; Antonio's loyalty is tested; Woods looks to take down Voight once and for all.
09 May 2018

Episode 1
New Normal
With Voight suspended, Antonio takes charge of Intelligence to deal with overdoses of bad heroin, but Ruzek undermines his authority.
26 September 2018

Episode 2
Intelligence hunts down the man responsible for the high-rise fire and the case gets personal for Halstead.
03 October 2018

Episode 3
Bad Boys
The team tries to rescue a teenage girl kidnapped by robbers; Voight and Platt attempt to clear Olinsky.
10 October 2018

Episode 4
Ride Along
Burgess must choose between listening to Voight or potential new ally when a ride along goes sideways.
17 October 2018