Watch ER Season 12 Full Episodes

Season Finale: In the aftermath of the tragedy befalling the ER, it’s a seemingly ordinary day with the usual collection of patients. But soon,...

Clemente’s behavior grows more and more erratic, forcing Luka to take a stand. Pratt returns from Africa, and works with Luka, Abby, and Sam on the...

Pratt gets to work in Darfur, but soon finds his eyes opened to the need all around him. Debbie attempts to persuade Dakarai to seek treatment for...

Pratt departs for Africa with attitude to spare but makes his first contact with harsh reality before the plane lands. Abby senses something is not...

When Luka answers a call for help, he discovers not everyone is pleased. Will he honor his commitment, or ask a colleague to step in for him? Abby...

Oscar-nominated Iranian actress Shohreh Aghdashloo guests stars as a Turkish mother whose daughter is brought to the ER close to death following a...

When is it time to go out on a limb? Armand Assante guest stars as a patient who makes Sam an offer she might not be able to refuse. Luka must calm...

ER revisits Dr. John Carter, to see what he’s been doing since his departure from County. Now in Darfur, Dr. Carter and his colleague Dr. Dakarai...

An unexpected visitor puts Clemente in the middle of a domestic dispute, and things don’t look good. As the police sort out events, Luka, Abby and...

Emmy-winner James Woods guest stars as a Dr. Nate Lennox, a former professor of biochemistry with ALS who was Abby’s early medical school mentor. ...

With Luka eager to get home, Clemente AWOL and Kerry temporarily off her feet, Dubenko volunteers to cover the ER briefly, but quickly becomes...

Two weeks after Christmas, Luka and Abby struggle with a decision about whether to keep the baby, which Luka wants but Abby is unsure she is ready to...

On Christmas Eve, one doctor heads up and one nurse heads out of the ER. Meanwhile, while there are festivities afoot, carols to be sung, and Santa...

As the tension between Kovac and Clemente heightens, two doctors make their feelings known, while another stands up for himself. The ER comes...

For Neela, what begins as a routine ride-along with Gates and Zadro turns into a defining day when a plane crashes over Chicago. As Clemente manages...

EMOTIONS RUN HIGH WHEN A DIFFERENCE OF OPINION MEANS LIFE OR DEATH-JOHN STAMOS GUEST STARS--Neela (Parminder Nagra) gets all dolled up for Gallant's...

There’s monkey business in the ER as Clemente, Abby and Neela treat an infant chimpanzee. Pratt has a painful failed attempt at reconciliation with...

Pratt (Mekhi Phifer) gets a wake-up call when the new attending (John Leguizamo) poses as a patient to test the knowledge of doctors in the ER....

A PATIENT WAKES UP FROM A NINE YEAR COMA - A patient who has been in a coma for nine years suddenly awakens in the ER and Kovac (Goran Visnjic)...

THERE'S A NEW NURSE IN TOWN AND SHE MEANS BUSINESS - KRISTEN JOHNSTON ("THIRD ROCK FROM THE SUN") JOINS ER - The ER is shaken up when new nurse...

A baby's life is endangered when the surrogate mother refuses a C-section. The biological parents, Ray, and Dr. Coburn disagree over the surrogate...

A frantic Sam and too-calm Luka report diabetic Alex missing after he runs away to find his father. Acting on information from the police they follow...