Season 4

Season 4
Episodes	22
Premiered	September 26, 2018
Concluded	May 22, 2019
Season information
Previous	Season 3
Next	Season 5

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

Cast

Main Cast

• Brian Tee as Dr. Ethan Choi
• Colin Donnell as Dr. Connor Rhodes
• Marlyne Barrett as Maggie Lockwood
• Nick Gehlfuss as Dr. Will Halstead
• Norma Kuhling as Dr. Ava Bekker
• Oliver Platt as Dr. Daniel Charles
• Rachel DiPillo as Dr. Sarah Reese (Episode One Only)
• S. Epatha Merkerson as Sharon Goodwin
• Torrey DeVitto as Dr. Natalie Manning
• Yaya DaCosta as Nurse April Sexton

Recurring Cast

• Roland Buck III as Dr. Noah Sexton
• Molly Bernard as Elsa Curry
• Colby Lewis as Terry McNeal

Episodes

#	Image	Title	Airdate	Summary
4x01		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	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	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	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	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	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	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	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	December 05, 2018	Will and Natalie prepare for their big day, but an unsuspecting Will soon finds himself sidetracked.
4x10		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	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	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	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	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	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.
4x16		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	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	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	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	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	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	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