Episode 1 | How Do You Begin to Count the Losses

In the aftermath of Halstead's apartment fire, Marcel, Choi and Archer work together to try and save the survivors. Charles and Med's new fellows, Cuevas, helps a paranoid patient. Scott makes a life-changing decision.

Episode 2 | (Caught Between) The Wrecking Ball and the Butterfly

Supply chain disruptions dramatically impact Med causing Crockett and Kai, a new surgical resident, to clash with other doctors.

Episode 3 | Winning the Battle, but Still Losing the War

Charles and Cuevas clash over the treatment of a paranoid patient. Choi treats a pregnant woman from Asher's past. Marcel and Taylor help a man who needs a risk neurosurgery.

Episode 4 | The Apple Doesn't Fall Far from the Teacher

When a subway train goes off the tracks, Marcel volunteers to help the victims. Taylor and Halstead must decide if they want to risk their jobs to save a patient. Asher and Archer clash over a pregnant patient.

Episode 5 | Yep, This Is the World We Live In

Supply chain shortages continue to impact the ED when Taylor's drug dealer reappears. One of the victims of the recent train crash needs a transplant, forcing Marcel to improvise. Charles and Cuevas help a patient with amnesia.

Episode 6 | Mama Said There Would Be Days Like This

Marcel adjusts to his newfound fame when he helps Halstead treat a local restaurant owner. Choi, Charles and Goodwin aid a new mother who worries about hurting her baby. Maggie and Taylor clash with a workaholic patient.

Episode 7 | The Clothes Make the Man... Or Do They?

Med runs out of scrubs, forcing the staff to improvise. The life of Archer's son is in danger.

Episode 8 | Everyone's Fighting a Battle You Know Nothing About

Halstead and Marcel facilitate a trans-organ exchange; Asher and Cuevas help an assault survivor.

Episode 9 | This Could Be the Start of Something New

Will relies on Crockett and Med's newly donated OR 2.0 to save his patient. Charles helps an elderly confused patient who's mourning the loss of his high school sweetheart.

Episode 10 | A Little Change Might Do You Some Good

Charles and Cuevas help an elderly patient and her developmentally disabled grandson. Halstead treats a swimmer with a heart condition. Marcel considers using the OR 2.0 for surgery. Asher and LIeu search for a lost pregnant woman.

Episode 11 | It Is What It Is, Until It Isn't

Marcel and Charles treat Lieu's gym buddy; Maggie and Halstead help a robbery-homicide suspect; Asher and Archer use Med's new opiate-abuse AI program.

Episode 12 | We All Know What They Say About Assumptions

Goodwin, Maggie and Dr. Marcel help victims of a hit-and-run accident while Dr. Halstead struggles to diagnose a patient with seizures. Dr. Asher and Dr. Archer clash with Jack Dayton.

Episode 13 | It's an Ill Wind That Blows Nobody Good

A brutal storm rocks Chicago. Will encourages Dr. Grace Song to go against her own findings for the benefit of their patient. Hannah rushes to the hospital to help Archer's pregnant patient. Maggie's concern for Ben consumes her.

Episode 14 | On Days Like Today... Silver Linings Become Lifelines

A construction worker's hand is severed. Crockett uses advanced technology to try to reattach it. Meanwhile, Charles and Goodwin negotiate with a custodial union. Also, Hannah works to prevent a mother and newborn from being separ...

Episode 15 | Those Times You Have to Cross the Line

The hospital is in disarray when the janitors go on strike. Marcel treats a young girl injured on her family's farm.

Episode 16 | What You See Isn't Always What You Get

Halstead and Cuevas struggle to diagnose a patient with a rare disorder. CFD and Med staff work to free a paranoid father trapped in the MRI suite. Tanaka-Reed gets an ego check.

Episode 17 | Know When to Hold and When to Fold

A documentary crew visits Med to film Marcel and Abrams' groundbreaking surgery. Archer refuses to ask for help for his kidney issues. Halstead develops feelings for a coworker.

Episode 18 | I Could See the Writing on the Wall

As his health worsens, Dr. Archer clashes with Dr. Charles on a patient faking paralysis.

Episode 19 | Look Closely and You Might Hear the Truth

The fate of the hospital rests on the vote of a board member; Archer helps a mother with a rare stem cell disease while Asher treats the woman's pregnant daughter; Charles encounters a schizophrenic patient with a hearing impairment.

Episode 20 | The Winds of Change Are Starting to Blow

Dr. Marcel and Dr. Halstead fight against Med's new policies to save their cancer patient.

Episode 21 | Might Feel Like It's Time for a Change

Marcel looks for data that may hinder Jack Dayton's plans.

Episode 22 | Does One Door Close and Another One Open?

Shocking information threatens Jack Dayton's surgery and the future of OR 2.0; Archer goes rogue to save a patient in need; Maggie questions her future at Med.