Chicago Med

A terrifying deepwater premiere. When a commuter ship capsizes, our ED finds itself underwater as they struggle to treat the influx of new patients and deal with the bold new employees taking charge.

Dr. Lenox continues to rankle Archer as the two tackle their new roles. Ripley faces possible suspension over what really happened to Pawel, and upstairs, Goodwin is forced to make layoffs.

Hannah treats a woman whose undiagnosed condition threatens the lives of both her and her unborn child. Goodwin receives a chilling message while battling the hospital higher-ups.

A familiar face returns to the E.D. Ripley and Charles treat a woman with a rare disorder. Frost suspects that his patient's father is lying about his daughter's condition.

Halloween chaos takes over the E.D. Hannah helps a pregnant woman with an autistic son. Charles clashes with nurse Jackie on a psych case.

Chicago P.D. steps up Goodwin's security after she's threatened online by a former employee. Archer and Frost treat victims from a disciplinary camp injured during a rock slide.

Ripley and Frost uncover shocking information that conflicts with their patient's DNR. Hannah facilitates an unexpected reunion. The tension between Archer and Lenox comes to a head.

Goodwin's troubles persist. Charles clashes with his former resident over a depressed patient. Lenox and Ripley treat a car accident victim who recently reunited with his college sweetheart.

The team fights to save the life of one of their own. Dr. Charles and Dr. Reese continue to clash over a patient, dredging up unresolved issues between them.

An army of surgeons prepare to separate conjoined twins. Hannah reconnects with someone from her past. Archer treats a tyrannical boss with a heart problem.

Following the subway tunnel collapse, Ruzek and Kidd treat injured passengers and track down the missing offender; Archer and Frost perform a life-saving amputation.

Goodwin struggles with the psychological aftermath of her attack. Ripley treats a patient with helicopter parents. An E.D. staffer makes a mistake that may cost them their job.

Lenox's mentorship is put to the test. Asher helps a religious young woman with an ectopic pregnancy. Ripley's self-destructive behaviour continues to escalate.

Gaffney gets a surprise visit from a National Accreditation Board of Hospitals representative. Hannah and Naomi search for the cause of a young girl's infection.

Ripley struggles to rescue a woman and her daughter trapped in an abandoned well. Frost is caught off guard by the arrival of an old friend from his TV days.

When her former patient returns to Med, Goodwin learns that time doesn't heal all wounds. Frost and Charles treat a patient struggling with his sexuality.

Charles and Archer treat a heart transplant patient who believes his new heart doesn't want to be in his body. Lenox takes a personal day. Asher discovers a mass on a pregnant woman's ovary.

Hannah makes a tough call to save a life. Frost and Ripley treat a young boy with a snake bite. Archer gives Naomi a patient to handle on her own on her last day in the E.D.

Maggie and Goodwin's friendship is tested as tensions rise during the nurses union's negotiations. Ripley and Archer treat a skateboarder hit by an emergency vehicle.

The hospital faces a staffing crisis as the nurses stage a sick-out. Archer and Frost bet on who can discharge their patients first. Charles' distrust of a patient complicates his treatment.

Maggie and Frost fight to get lungs for a young cystic fibrosis patient. Hannah learns whether she can become a surrogate. Ripley and Morris treat the daughter of a tech billionaire with leukaemia.

Difficult decisions are made in this finale. Following orders, Goodwin is tasked with enforcing difficult cuts to hospital personnel. Charles' daughter is hospitalised after a car accident.