When Dr. Lewis gets a hysterical call from her niece, Susie, she hurries to New York to search for the child and her sister Chloe. The crossover continues on Third…

Dr. Carter reads a letter from terminally ill Dr. Green to the ER staff. Dr. Weaver lashes out at a mentally challenged patient. A terminal, homeless man continues asking for…

In the series’ 150th episode, a massive train wreck mobilizes the emergency room doctors. Corday, Carter and Kovac rush to the scene. Corday falls and injures her back, bringing on…

Drs. Corday and Greene are awkward when working together in the ER. Dr. Weaver treats victims of an intense fire that may take the life of a dear friend.

Greene returns to work but confuses words and displays uncharacteristic anger. Eager to get out of his per diem situation, Benton agrees to a full time position. Carter visits his…

As Dr. Greene’s brain tumor begins affecting his coordination, he becomes concerned that his fate will be similar to the terminally ill patients he treats.

Weaver becomes concerned about Greene’s cognitive skills and surreptitiously calls for an official evaluation of his competency. Corday plans her wedding to Greene. Bishop Stewart returns, and Kovacs realizes the…

After Dr. Corday moves out, Dr. Green fights loneliness and pain by immersing himself into his work. Dr. Chen discovers that a comatose teen is ready to give birth.

Carter’s day shift and Pratt’s night shift (his final shift at County) are intercut. Both men have extremely busy days. Doc Magoo’s burns down. Luka calls Carter from the Congo…

Benton and Cleo clash over his deceased nephew’s girlfriend. They finally agree to call a social worker. Benton confesses his love to Cleo. The spinal surgery malpractice suit is settled…

Dr. Romano seizes control of the ER and manages to offend everyone. Dr. Kovac asks Dr. Corday’s help in the quest to bring a sickly Croatian boy to the U.S….

An accidental overdose brings Drs. Green and Corday’s baby into the ER.

Chen gives birth, but insists on breastfeeding the infant before she gives it to the adoptive parents. Greene and Corday consult a brain specialist in New York City who believes…

Abby helps a distraught boy whose mother died of a stroke; a man with schizophrenia, who once stabbed Carter and killed a doctor checks into the ER.

Benton is unable to find a job after Romano negatively influences local hospitals. He reluctantly agrees to accept Romano’s demeaning offer of a per diem job at County with no…

Peter Benton continues his court fight against Reese’s stepfather, Roger, who seems to have the upper hand. When a woman is accidentally shot during a gas station robbery, Dr. Corday…

Greene flies in a helicopter to a remote area of Indiana to rescue a heart transplant patient. The helicopter develops problems, and Greene arranges for paramedics to transport the patient…

Benton commits perjury on the witness stand in order to gain custody of Reese. When Romano refuses to give him a more even schedule, Peter resigns and seeks a job…

Corday rushes through a surgical procedure in order to take off on a romantic weekend with Greene. She is later called back to the hospital after her patient suffers complications….

Dr. Weaver bends the rules and treats the Alderman’s lover for syphilis. Dr. Kovac’s patient claims she was sexually abused at a boot camp for troubled youth. Dr. Carter treats…

A new medical student, Michael Gallant, arrives in the ER. He’s supposed to be working under Dr. Carter’s supervision but his grandmother is unwell. Elizabeth Corday is convinced that other…

When a torrential rainstorm pounds Chicago, patients deluge the emergency room while Weaver speeds to an accident site. There, she finds a pregnant woman, Vicki lying injured inside a wrecked…

Abby’s troubled brother is missing. A car runs into a crowd of teen girls. The alderman with syphilis gives Dr. Weaver a promotion. Dr. Lewis looks forward to a blind…

Lewis faces a hectic first day back at County General. Benton and Roger become frantic when they can’t locate Reese. Carter’s grandmother is brought to the emergency room. Carter and…

Dr. Pratt brings a gun into the ER; Dr. Weaver tries to conceal her pregnancy; a woman plots against her dying husband; Dr. Chen treats math students who overdosed on…

Dr. Carter struggles with his drug dependency; a custodial strike leaves the ER cluttered with garbage; a riot at a high-school football game leaves several wounded.

Greene’s daughter comes to live with him and Corday. Carter and Abby become more intimate. Chen must prove her skills while saving a baby. Weaver terminates Malucci after witnessing him…

Abby is distressed when her mother interferes with Eric’s treatment at a psychiatric hospital. Pratt treats a frightened young girl who has been injured in an auto accident and desperately…

Dr. Susan Lewis arrives, looking for work in the Chicago area again. Greene hires her, over Weaver’s objection. Chen nervously attends a risk management review, accompanied by the unforgiving Weaver,…

Abby fears the worst when her brother Eric suddenly disappears. Carter and Chen treat a frightened Chinese immigrant nanny, Tong-Yi, whom they suspect was impregnated by her employer. Meanwhile, new…

On a busy Halloween night, Carter and Abby are the only staffers in costume when victims of an apartment building fire pack the ER. Corday takes on a new med…

Weaver returns to the emergency room after a self-imposed sabbatical of three weeks, wondering how her newfound lesbian identity will affect her workplace relationships. Having purposely allowed a mass murderer…

Corday clashes with new surgical resident Paul Nathan regarding his intervention into the treatment of a sickly young woman, Alison, who has signed a “do not resuscitate” order. Abby wonders…

Carter is overwhelmed by patients from a rock concert riot. Benton’s former girlfriend is killed in a car accident. Newly promoted to chief resident, Chen panics and misdiagnoses a patient….

After another hospital shuts down, the ER is flooded with patients. Dr. Pratt resuscitates a heart-attack victim who had been pronounced dead.

Casualties of a disaster flood the ER, which is short-handed because everyone is at Dr. Carter’s going-away party because he’s leaving the ER after 11 years. Dr. Pratt looks for…

Jules ‘Ruby’ Rubadoux is back in the ER. He’s still angry with Carter about the death of his wife.

A panic-stricken Weaver is ordered to give her son to the Lopez family. Carter greets the returning Kem, but their meeting with his father, Jack, gets tense after Carter announces…

Morris is named the new chief resident, which makes nobody really happy, except Morris. Meanwhile Luka and Sam are having communication problems, Carter gets a promotion Susan really wanted and…

Dr. Weaver meets her birth mother, but their relationship changes when Kerrie reveals she is gay. Dr. Carter causes a commotion when he confronts a couple hoping to scam some…