Susan is forced into the role of parent when Chloe gives birth and both Chloe and her mother, Cookie, shirk responsibility. Doug is surprised and a bit frightened when Diane…

It’s Susan’s last day. Carol stands up for her nurses when one of them is being rotated to another department.

Mark, still upset over the loss of Jodi O’Brien, takes the night off but ends up in the ER anyway, albeit an hour late, when the new chief runs a…

Deb and Carter compete furiously for procedures after Benton announces their books are due a week earlier than previously announced. Deb commits a nearly deadly error on a patient while…

Morganstern invites Mark to join the staff as an attending physician. Mark treats an woman with breast cancer, who begs him to kill her. Deb “wows” Benton with her amazing…

Carol worries about a Russian girl with AIDS who’s brought in and then abandoned by her foster mother. Kayson asks Susan to be his Valentine. Deb accidentally consumes LSD-laced chocolates.

While Mark is anxious about Susan’s return from her holiday, Doug and Carol ride along with the health mobile.

Dr. Hicks berates Benton when he tries to switch shifts to attend his mother’s birthday party. A teenage girl, a frequent patient of the ER, is brought in for a…

While on their helicopter flight rotation, Mark and Susan find an injured family of four who they bring to the ER.

Encouraged by Carol, Mark finally asks Susan out. Benton tries to save a boy, despite the fact Doug thinks he’s brain dead.

It’s the first day of Carter’s internship. He has a 36 hour shift and overnight he has to cover the ER, the ICU as well as the surgical patients.

Carter fumbles his way through his first look at surgery. Dr. Lewis’ nemesis, Dr. Kayson, makes her New Year’s Day decidedly unpleasant. Chloe announces she’s moving to Texas with her…

While the whole staff is worried the ER might close, Jeanie has her own problems in dealing with being HIV-positive.

Carter trains one of Benton’s new students, Deb Chen. Hathaway has her hands full with an emotionally challenged patient who’s obsessed with colors. A sociologist provokes people to measure their…

Donald Anspaugh has a new method to increase the staff’s efficiency, new intern Maggie Doyle joins the ER and Susan asks Mark to come along to Hawaii.

A case of apparent spousal abuse is not what it seems. Deb outshines Carter after he is up all night preparing for a presentation. Peter informs Jackie he’s hired a…

A severe blizzard leaves the ER utterly devoid of patients, leaving the staff free to goof off. In the middle of their fun, a call comes from dispatch, informing the…

The ER docs tend to three teenagers who were in an accident on the way to their senior prom. Greene and Carter treat the most severely injured, a boy suffering…

The air conditioning quits on the hottest day in October which, coupled with closed ERs in Chicago’s other two hospitals, leads to an extremely hectic day. Dr. Ross treats a…

Carol’s pregnancy becomes public knowledge as she learns that she’s having twins. Lucy has problems trying to go off Ritalin. Peter learns Carla plans to move to Germany. Kerry finds…

Romano forces Benton to choose between the trauma and cardiothoracic fellowships. Carol worries that she may have lost her child. Corday and Greene bond on the way to a medical…

As the result of a school shooting, Kovac and Benton care for the gunman and his victims. Abby discovers that Carter has been illegally injecting pain relievers. Greene and Weaver…

The hospital suffers through a series of power outages. Carol’s decision to send Doug a fax about her pregnancy is thwarted by the power outages. The staff is on alert…

A business contractor with a bad heart gathers his family around him in the ER as he prepares for the end. Dr. Ross helps an asthmatic teenage girl when her…

Carter seeks psychiatric help because he can’t sleep. He then visits the wife of his attacker. Weaver returns to work after her suspension. Hathaway and Kovac share a kiss.

During a paramedic ride-along, Carter is forced to drive the ambulance while fleeing a riot scene and inadvertently runs over a teenage boy. Later, a paramedic is shot by an…

Weaver reprimands Carter for doing a dangerous procedure without consulting Kovac. She also talks to Hathaway about Hathaway’s lack of focus on the job. And while treating a 6-year-old patient…

Chen’s patient refuses to reveal to his daughter that she might have inherited a terrible disease from him. Weaver defies Romano’s authority and performs a procedure that gets her suspended….

Greene assists paramedics in treating injured children at a school bus accident. En route, Doug and Jeanie survive their own accident. Kerry stops Doug from treating Jeanie…or any other patient….

After Corday refuses to perform exploratory surgery on Cleo’s patient, Cleo enlists Benton’s help, infuriating Corday. Abby cares for a pregnant woman with five children who wants an abortion. Greene…

Even though he suffers from intense pain due to his stabbing injuries, Carter returns to work and prescribes a controversial procedure for a suicidal patient. Greene tries to convince his…

Carter and Lucy are discovered and the staff struggles to save them and go on with normal patient care.

Doug jeopardizes future federal grants for the entire ER when he breaks a double blind study by giving a sample drug to an ailing patient. Doyle lodges a sexual harassment…

Dr. Greene and Corday bond with their parents, Lucy cares for a patient with a psychotic break, and Valentine’s Day celebrations in the ER end tragically for one of the…

Amanda Lee’s obsession with Dr. Greene comes to a head when Mark inadvertantly digs up old med school records damaging to her career. Carter tries to save Lucy from Edson’s…

Lucy’s patient finally gets a heart transplant but does not survive. The transplanted heart will now go to another recipient. Greene interferes in a gay domestic situation. Corday tricked her…

Carter plays tour guide for Ruth Johnson, who was born in the hospital 100 years ago to the day, and her large family. Carol treats a boy who was hit…

Kovac and Haleh take care of Hathaway’s twins so the new mother can finally get some rest. The job transfer for Carla’s husband does not get approved allowing Reese to…

In order to get her paitient to tell her the location of a missing body, Corday agrees to grant him a fatal wish. Kovac befriends two brothers. He tells Weaver…

Weaver tries to save the life of a rape victim while Corday struggles with feelings of disdain as she is forced to save the rapist. Cleo treats a teenage alcoholic…