Kovacs stops to help a woman and her son whose car broke down. Steve is getting close to Alex, and Sam panics. Abby is looking for her letter whether to…

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…

Dr. Carter leads a walk-out of staff protesting lack of security in the ER.

Pratt struggles to diagnose a woman who suffers mysterious chronic seizures. An attractive woman, Campbell, informally accuses flirtatious Pratt of sexual harassment. Abby ponders how to get her contentious patients’…

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…

Carter misses his pregnant girlfriend who has returned to Africa. A family of four is rushed to the emergency room after suffering carbon monoxide poisoning from their faulty furnace–forcing the…

A soccer mom finds herself completely aware of everything going on around her, but is unable to move or speak after suffering a stroke.

Weaver rushes to the aid of her female life partner, Sandy Lopez, when the firefighter is severely injured while working and must now battle for her life. Frightened Weaver whispers…

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.

While examining a young boy, Pratt finds a suspicious gash across his chest and calls Wendall (recurring guest star MäDCHEN AMICK) for a consult. Kovac and Pratt examine a man…

Two teens enter the ER with gunshot wounds. When one dies, Neela botches telling the next of kin, making the woman hysterical.

On Thanksgiving Day, a helicopter crash outside the ER leaves several injured, and kills Dr. Romano. Alex tries to bring Sam and Luka together.

A rape victim, barely able to speak, does all she can to help police find her attacker.

Neela helps treat two Amish teens who were in a car crash. Sam argues with Dr. Kovac when he pays too much attention to her son.

A wounded police officer’s teenage son must make a life or death decision. Abby tries to convince a girl needing appendicitis surgery to stay at County, but her fathers wants…

Carter returns to County General to hearty welcomes. Although Abby is shocked to learn that Carter’s beautiful African girlfriend, Kem, is already pregnant with Carter’s child, Abby has moved on…

Abby has a dialysis patient in critical condition, but she cannot find his physician, who does not want to be bothered during the holidays.

Carter, Pratt, Kovac and Abby are dealing with a woman and her three children who’ve jumped from a three floor apartment trying to escape from the father. Meanwhile Dr. Lewis…

To everyone’s amazement, Lewis makes a date to share a home-cooked dinner with the elderly Ben Hollander, her depressed patient who is going blind.

After being shot at, Pratt, Jing-Mei and Elgin are trying to get of their sinking car. Sam took Alex with her while fleeing for Steve, Kovac is considering to go…

Confident second-year resident Pratt wants to prove his abilities when he works the graveyard shift (11 p.m. to 7 a.m.), but his heroics sometimes backfire. Pratt shows contempt for a…

Ben Hollander is a distraught architect whose degenerating eyesight causes him despondent while a spirited new nurse, Samantha Taggart joins the staff. Elsewhere, disaster strikes when the doctors suspect a…

It’s a busy Fourth of July and Carter is the only attending working.

Chaos reigns in the ER when two prisoners are brought in for treatment, but instead plot a violent escape. Their desperate actions place one doctor in harm’s way, and forces…

Chaos reigns in the ER when two prisoners are brought in for treatment, but instead plot a violent escape. Their desperate actions place one doctor in harm’s way, and forces…

Pratt and Weaver try to create a Christmas miracle when they work to save a girl wounded from gunfire. Eve gets into trouble after punching a disruptive patient. Also, Abby…

Pratt and Weaver try to create a Christmas miracle when they work to save a girl wounded from gunfire. Eve gets into trouble after punching a disruptive patient. Also, Abby…

The ER prepares to take in victims from a plane collision, while Neela and Pratt head out to the crash site where Neela makes heroic efforts. At the end of…

The ER prepares to take in victims from a plane collision, while Neela and Pratt head out to the crash site where Neela makes heroic efforts. At the end of…

A new attending, Dr. Victor Clemente, comes aboard and quickly makes a stir on the ER. Abby’s breast cancer patient convinces her to take a long awaited test. Luka befriends…

A new attending, Dr. Victor Clemente, comes aboard and quickly makes a stir on the ER. Abby’s breast cancer patient convinces her to take a long awaited test. Luka befriends…

Sam and Luka go on the search for her runaway son, Alex. Meanwhile, Pratt and Lewis guide Abby, Neela and Ray, who have become R2’s, on how to teach the…

Sam and Luka go on the search for her runaway son, Alex. Meanwhile, Pratt and Lewis guide Abby, Neela and Ray, who have become R2’s, on how to teach the…

Jane and the FBI take up the cause of a death row inmate who has two days to prove his innocence before his sentence is carried out.

As Karen’s wedding to Bill nears, Hank struggles with accepting what appears to be inevitable. Bill informs Mia that he will not allow her book to be published and Hank…

As Karen’s wedding to Bill nears, Hank struggles with accepting what appears to be inevitable. Bill informs Mia that he will not allow her book to be published and Hank…

The NCIS team investigates a defense contractor, Rebecca Larmont, designing a nuclear attack weapon after her estranged husband, Victor Larmont, says he has proof she is selling Navy secrets to…