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Season 4 of Chicago Med premiered on September 26, 2018. The season consisted of 22 episodes.

Cast

Main Cast

Recurring Cast

Episodes

# Image Title Airdate Summary
4x01
Be My Better Half (1).jpg
Be My Better Half September 26, 2018 Goodwin clashes with new hospital COO Gwen Garrett while April questions whether Ethan's sister is using drugs again; Charles confronts his past actions.
4x02
When To Let Go (1).jpg
When to Let Go October 3, 2018 An overflow of patients is rushed into Chicago Med following an apartment blaze and Rhodes tries to save a firefighter's life, while the two Halstead brothers face their own personal battle.
4x03
Heavy Is The Head (1).jpg
Heavy Is the Head October 10, 2018 A sick boy is brought to the hospital, forcing Ethan to face a tough decision that grows into a complicated and dangerous situation.
4x04
Backed Against The Wall (2).jpg
Backed Against the Wall October 17, 2018 The CPD pays Dr. Halstead an unexpected visit; Ethan is skeptical of a woman experiencing chronic pain; Natalie takes care of a cancer patient whose brother refuses to help.
4x05
What You Don't Know (1).jpg
What You Don't Know October 24, 2018 Will must lie to Natalie; Ethan and April uncover compromising information about Emily's boyfriend; Ava isn't sure what to do with a patient who doesn't want treatment.
4x06
Lesser of Two Evils (1).jpg
Lesser of Two Evils October 31, 2018 Manning and Halstead work quickly to save a physically abused wife; Choi and April discover a shocking truth about a 14-year-old cirrhosis patient; Rhodes and Lanik face off in the ER.
4x07
The Poison Inside Us (1).jpg
The Poison Inside Us November 7, 2018 The ED goes on lock-down due to a deadly chemical spill that threatens the lives of patients and leaves one of Med's own in the balance; Rhodes and Manning attempt to perform live-saving surgeries.
4x08
Play By My Rules (1).jpg
Play by My Rules November 14, 2018 Dr. Charles and Dr. Choi are at odds over surgery. Dr. Rhodes finds himself in hot water.
4x09
Death Do Us Part (4).jpg
Death Do Us Part December 05, 2018 Will and Natalie prepare for their big day, but an unsuspecting Will soon finds himself sidetracked.
4x10
All The Lonely People (1).jpg
All the Lonely People January 09, 2019 A shooting outside the hospital injures April and leaves the ED shaken up; Halstead returns after a stint in the witness relocation program; Charles and Elsa have an emotional confrontation; Bekker is reluctant to attend an event honoring Rhodes.
4x11
Who Can You Trust (1).jpg
Who Can You Trust January 16, 2019 Halstead takes heat for making an unauthorized move to treat his pregnant patient. Choi becomes personally invested when treating a homeless veteran. Rhodes and Bekker deal with a patient who desperately needs a liver transplant.
4x12
The Things We Do (1).jpg
The Things We Do January 23, 2019 Dr. Halstead rushes to rescue Dr. Manning from a chopper crash. Drama between Dr. Rhodes and Dr. Bekker boils over. Dr. Charles and Dr. Choi work to help a patient with their addiction. April helps Elsa deal with losing her first patient.
4x13
Ghosts in the Attic (1).jpg
Ghosts in the Attic February 06, 2019 Halstead hides the theft of his gun from a suspicious Manning. Tensions are still high between Connor and Bekker, who take a risk operating on an HIV-positive patient. Hank breaks down when he sees a patient from his past.
4x14
Can't Unring That Bell (1).jpg
Can't Unring That Bell February 13, 2019 Connor, who is in hot water with the hospital's Oversight Committee, handles a gunshot victim with unexpected ties to Halstead. Maggie feels guilty about the return of a former patient. Charles has an awkward first date.
4x15
We Hold These Truths (1).jpg
We Hold These Truths February 20, 2019 Natalie and Maggie witness a pickup truck plow through a street fair and must make tough decisions on the fly. At the hospital, doctors and nurses are on high alert with the influx of patients. Dr. Charles' ex-wife comes to town with news.
5x16
Old Flames, New Sparks (1).jpg
Old Flames, New Sparks February 27, 2019 Halstead treats a woman on the verge of freezing to death. Dr. Charles' ex-wife receives some concerning news. Choi handles a lymphoma patient with viral meningitis and a complicated family. Manning makes a house call.
4x17
The Space Between Us (1).jpg
The Space Between Us March 27, 2019 When a car unexpectedly smashes through the ambulance bay doors, Dr. Choi makes some difficult decisions in an effort to save a worker trapped beneath the wreckage and April, who's also in danger.
4x18
Tell Me The Truth (1).jpg
Tell Me the Truth April 03, 2019 Dr. Rhodes receives an alarming phone call that prompts him to rush out in the middle of an important surgery. Dr. Halstead comes to the aid of an FBI agent who is brought into the ER, but he suspects there is more to the story than he is being told. Dr. Manning and Dr. Choi find themselves on opposite sides of a major disagreement over doctor-patient confidentiality.
4x19
Never Let You Go (1).jpg
Never Let You Go April 24, 2019 The hospital goes into lockdown mode when a man with a gun holds medical staff hostage. Goodwin is forced to make a tough decision. Dr. Rhodes begins to realize his time with his father is getting short.
4x20
More Harm Than Good (1).jpg
More Harm Than Good May 08, 2019 Dr. Charles and Dr. Manning disagree on how to handle a patient who they discover is poisoning herself. Dr. Rhodes throws some serious accusations at Dr. Bekker. Dr. Halstead has suspicions about Natalie's new boyfriend. Dr. Choi tends to Bernie.
4x21
Forever Hold Your Peace (1).jpg
Forever Hold Your Peace May 15, 2019 Caroline shares news that forces Dr. Charles to make a serious decision about their relationship. Maggie meets her sister's new boyfriend but danger may lie ahead. Dr. Rhodes experiences a huge loss. Dr. Choi and April face an unexpected challenge.
4x22
With A Brave Heart (1).jpg
With a Brave Heart May 22, 2019 Dr. Charles and Caroline set some major plans; Ava fights to keep her relationship with Connor. Agent Lee informs Will of news that may put his life in danger.

Notes and Trivia

  • The show was renewed for a fourth season by NBC on May 10, 2018.
  • Chicago Med was given a new timeslot: Wednesday at 8 P.M.
  • On July 23, 2018 it was announced that Molly Bernard and Colby Lewis were set to recur during Season 4.
  • The first promotional video was released on July 25, 2018, regarding the new "Chicago Wednesday'" timeslot.
  • Every episode in this season has a four-word title.
  • Rachel DiPillo left her role as Dr. Sarah Reese after the first episode of the season.
  • The season 4 finale featured Colin Donnell and Norma Kuhling's final episodes.

Gallery

One Chicago 2018 Poster 1.jpg
Chicago Med Renewed For Season 4.jpeg

Videos

Chicago_Wednesdays_-_One_Night,_One_Family,_One_Chicago_(Promo)

Chicago Wednesdays - One Night, One Family, One Chicago (Promo)

Chicago_Med_-_Chicago's_Best,_Together_on_One_Night_(Promo)

Chicago Med - Chicago's Best, Together on One Night (Promo)

Chicago_Med_-_One_Job,_One_Family,_One_City_(Promo)

Chicago Med - One Job, One Family, One City (Promo)

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