An important clue is revealed in the story of a World War II internment camp; Kira’s role is more crucial, and she discovers unusual abilities.

Scott and Kira fight to protect Satomi’s pack from assassins.

A mysterious outbreak takes over the high school.

Susan throws herself into her work to escape her stressful personal life, earning recognition from Kerry and Mark, who begins preliminary discussions on next year’s chief resident. Carter needs a…

Carol is pushed to the breaking point after another day when politics triumph over health care, and she quits. Dr. Greene “trades his soul” when he agrees to back Weaver…

Shep and Raul respond to a massive fire without proper equipment, risking their lives to save addicts and their children. Shep will be okay, but Raul has third-degree burns covering…

Susan institutes extra precautions in case Chloe tries to reclaim Little Susie. Mark changes his look, growing a goatee and wearing contact lenses. Carol and Jeanie square off over the…

Weaver and Susan’s feud escalates to the point where Mark needs to step in and fix it. Benton is involved in a parking lot altercation, resulting in a broken hand…

The ER staffers are in decidedly unfestive moods as Christmas arrives. Carol’s spirits are lifted by a Santa-like patient. Mark is outraged when Jenn decides to stay in Milwaukee over…

Mark tries to find a way to tell Rachel about his impending divorce. Benton attends a banquet at Vucelich’s home, with Jeanie as his date. Carter finally tells Mr. Rubadoux…

Carol is pushed to the breaking point after another day when politics triumph over health care, and she quits. Dr. Greene “trades his soul” when he agrees to back Weaver…

Susan institutes extra precautions in case Chloe tries to reclaim Little Susie. Mark changes his look, growing a goatee and wearing contact lenses. Carol and Jeanie square off over the…

Susan throws herself into her work to escape her stressful personal life, earning recognition from Kerry and Mark, who begins preliminary discussions on next year’s chief resident. Carter needs a…

Shep and Raul respond to a massive fire without proper equipment, risking their lives to save addicts and their children. Shep will be okay, but Raul has third-degree burns covering…

The ER staffers are in decidedly unfestive moods as Christmas arrives. Carol’s spirits are lifted by a Santa-like patient. Mark is outraged when Jenn decides to stay in Milwaukee over…

Mark tries to find a way to tell Rachel about his impending divorce. Benton attends a banquet at Vucelich’s home, with Jeanie as his date. Carter finally tells Mr. Rubadoux…

Weaver and Susan’s feud escalates to the point where Mark needs to step in and fix it. Benton is involved in a parking lot altercation, resulting in a broken hand…

Benton takes a day off to help Carla. Carter finds out Edson falsified a chart.

It’s Carol’s birthday, Mark is returning to work after being assaulted and Carla goes into premature labor.

Anspaugh is furious when Carter tells him he wants to quit surgery. Charlie is brought in with an overdose. Mark keeps struggling with his beating.

Benton can’t keep his mind on the job, Mark and Chuny break up and Carol does what she needs to do regarding the fatal error she has made.

Carter faces his last day in the hospital with aplomb, harshly grading Benton on an evaluation report. He later rescinds the report after finding out that the surgical sub-I is…

Nurse Carol Hathaway is held hostage during a convenience store robbery, then befriends one of the gunmen.

Benton goes into Carla’s private hospital files when he fears that something may be wrong with their baby; Jeanie treats a suicidal woman who reveals a surprising secret; and Greene…

Mark and Kerry have to create a policy regarding HIV-positive employees, which leads to gossip amongst the nurses.

Mark and Jennifer struggle to remain together as Mark has moved in with her in Milwaukee. Doug coaches Jake’s little league team. Chloe’s irresponsibility wears Susan down. Carter asks Benton…

Carter feels guilty about Gant’s death. Benton doesn’t want to talk about it.

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…

A busy Dr. Greene goes all day in solving his patients’ problems until he encounters the case of a pregnant woman suffering from complications that threaten both her life and…

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…

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

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…

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…

Doug’s one-night-stand has a seizure and he brings her to the ER.

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…

Hathaway treats a rape victim. Walt brings Benton’s mother to the ER with a sprained ankle. Carter shows his annoyance toward Benton and his stand-offish attitude. Mark calls in sick…

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…