On Brendan’s 6th birthday, Frank wants to take him out for pizza and bowling. but Carol realizes he would prefer a regular party and helps him plan a party with…

Rosewood gets a massive storm on the day the students are to take their SAT test, which causes the school to postpone the examinations. Trapped in the school during the…

Frustration mounts for the CSI team as another victim surfaces who is linked to the Gig Harbor Killer.

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…

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…

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

Sam’s ex-husband shows up and wants to take Alex on a trip. Gallant is back and Neela hopes to see him before he goes back to Iraq.

Susan visits a psychiatrist to cope with the loss of Little Susie. Jeanie’s estranged husband Al checks in the ER complaining of flu-like symptoms, which turn out to be caused…

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…

Carter engages in competition with new surgical resident-in-training Dale Edson upon learning that residents will be evaluated and graded; only the top ones advancing to second year. It doesn’t help…

Mark finds himself manning a very crowded ER on his scheduled night off, filling in while Doug is out with whiplash and Susan meets with her lawyer. He tries to…

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…

Benton decides to blow the whistle on Vucelich’s unethical study methods, causing Vucelich to drop him from the study. Susan treats a street couple, one of whom has passed HIV…

Mark is riddled with self doubt as the hospital prepares to settle the O’Brien suit. Kerry appoints herself as Susan’s personal mentor. Carol mind a bucketful of expensive worms. Doug…

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…

Shep and Raul bring a dozen malnourished and abandoned children into the ER, keeping everyone very busy. Shep has a run-in with Malik and Benton when he makes an off-handed…

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…

Carol and Jeanie try to find a home for a schizophrenic architect. Carter signs Benton up for an interview with Vucelich for a prestigious study. Carter and Harper try to…

Doug’s heroics earn him a second chance as Bernstein and Morganstern ask him to stay on. Doug and Mark clash when each treats a seriously injured patient and want to…

Dr. Ross treats the dying Chia-Chia. Susan tries to find a way to keep Little Susie, asking her parents for help. Benton treats an injured woman who refuses to press…

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…

Carter gets his first patient…and loses him. Susan’s feud with Kerry Weaver intensifies when Weaver demands all of Susan’s procedures be cleared with her. Chloe abandons Little Susie again for…

Kerry Weaver manages to offend just about everyone in her first day as chief resident. Carol goes on a ride-along with paramedics Shep and Raul, sharing a ferris wheel ride…

The ER treats victims of a gang shootout. Carter arrives late and unprepared for his new position. Mark learns all about being an attending, including senior staff’s habit of bad-mouthing…

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

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

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.

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

Kovac is in Chicago looking for hospice-care work. Neela’s aorta surgery has caused an infection in her patient. Abby treats a teen who has been beaten up. Brenner continues to…

Abby is back from rehab and finds herself the object of scrutiny. She confesses to Pratt that Luka might stay in Croatia longer than planned. Harold seems to have won…

After being passed over for Chief of the ER, Pratt is looking for a hospital that will appreciate his talents. A former employee of the ER brings her sick son…

ER’s 300th episode finds Luka and Abby hurriedly preparing to travel to Croatia after Luka’s father passes away. Luka confronts Abby about the estrangement between them, and she eventually reaches…

Everyone at the ER is happily surprised to see Luka back from Croatia. Great news awaits Neela. Sarah once again needs rescuing by Tony, and patients are causing problems for…

A power outage strikes on an unusually hot day, bringing nursing home patients suffering from hyperthermia to the ER. Abby and Pratt disagree about diagnostic tests for a fussy baby….

Morris and Pratt cram for their medical boards when Morretti brings in a new attending physician to help with the load. Sam and Abby work on an attention-hungry patient who…

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…

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…

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…

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

Benton makes a critical error when he publicizes the availability of a dying man’s organs before obtaining the wife’s permission. Lewis discovers that Cvetic has quit his job at the…