As of July 2026, ER Season 12 aired in 2005 with 22 episodes — streaming now on Netflix. Full episode guide and where to watch below.
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ER Season 12

2005 22 Episodes Drama ⭐ 8/10

If you want a drama that takes its characters as seriously as its plot, ER Season 12 is available on and right now. A single, tightly-focused season means there is plenty to get through without ever feeling padded. Its 8/10 TMDB score, built from 940 ratings, reflects a title that consistently delivers. Goran Višnjić's performance alone is worth the time investment. Start it whenever you need something guaranteed to land.

There is a reason ER Season 12 keeps coming up in conversation. The writing in ER Season 12 treats its characters as people first, plot devices second. Season 12 of ER includes 22 episodes. It aired from September 2005 to May 2006. This season stars Goran Višnjić, Maura Tierney and Laura Innes. Goran Višnjić and Maura Tierney lead a cast that brings real weight to the material. It was aired in 2005. What elevates ER Season 12 is a refusal to let any character off the hook too easily. The consistency throughout is what elevates it — not every moment is the best, but none of them are a reason to stop watching.

Drama fans who appreciate slow-burn storytelling will feel right at home with ER Season 12. It does not lean on comparisons to make its case. The complete run is available and best experienced without too much prior knowledge of where it goes. Goran Višnjić's work here is the kind that gets referenced in career retrospectives. It makes everything else feel thin by comparison.

📡 Where to Watch ER Season 12

🇦🇺 Australia
🇺🇸 United States
🇬🇧 United Kingdom
🇨🇦 Canada
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🎬 ER Season 12 — Episode Guide

E1
Cañon City
2005-09-22
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 new interns.
E2
Nobody's Baby
2005-09-29
Much to Ray's dislike, a surrogate mother in labor doesn't want to have a C-section and endangers the life of the baby. Meanwhile, Sam tells Luka she and Alex are moving out. Pratt meets his half-brother and -sister, and Abby makes a difficult decision about a young boy.
E3
Man with No Name
2005-10-06
Luka has a very bad day: New nurse manager Eve Peyton notices he doesn't want to work with Sam and tells him so. At the end of the day he's drunk and Abby takes him home.
E4
Blame it on the Rain
2005-10-13
The rainy night brings in diverse patients including a mother involved in a car accident with her baby, a man with a satisfaction facilitator, and a comatose patient who suddenly wakes up. Also, Sam steps up to Eve and her strict ways and Jerry gets struck by lightening!
E5
Wake Up
2005-10-20
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 young woman who awakes from a six-year coma. Also, Weaver shows Clemente who runs the ER.
E6
Dream House
2005-11-03
Pratt's half-brother tries to get him to make ends meet with his estranged father. Clemente treats an infant chimpanzee and involves Abby and Neela on the secret case. Eve promotes Sam and her first tasks is to fire a beloved nurse.
E7
The Human Shield
2005-11-10
A kidnaped girl is the victim of police shooting. Abby is stuck in the middle of a disagreement between Luka and Clemente. Neela receives a phone call from Iraq. Later, Luka and Abby share a kiss.
E8
Two Ships
2005-11-17
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 day, Neela gets a surprising visit.
E9
I Do
2005-12-01
Gallant impulsively asks Neela to marry her that exact day, she says I do but soon gets cold feet. Morris stands up to Weaver on a patients course of treatment. Luka, Sam and Clemente treat a boy who contracted HIV from his mother. Also, Abby and Luka redefine their relationship and Luka is named th...
E10
All About Christmas Eve
2005-12-08
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 has a special gift for Luka.
E11
If Not Now
2006-01-05
Neela treats a religious teenage girl who turns out to be pregnant. Abby and Kovac struggle to figure out what to do with her unexpected pregnancy.
E12
Split Decisions
2006-01-12
Ray helps an old friend escape from her abusive father. Dubenko volunteers in the ER but can't seem to handle a slow day. Abby and Kovac go baby shopping, while Neela gets unexpected and upsetting news from Gallant.
E13
Body and Soul
2006-02-02
Dr. Nate Lennox, a former professor with ALS, is brought in as the progression of his disease is chronicled through his own flashbacks as he is treated by each of the doctors at one point. As Lennox wants to give up, Abby fights to convince him to keep on fighting.
E14
Quintessence of Dust
2006-02-09
An unexpected visitor puts Clemente in the middle of a domestic dispute. Meanwhile, Luka and Abby await test results on their unborn child; Neela struggles with her surgical elective and Pratt ends up with an unexpected suitor when he participates in a charity bachelor auction.
E15
Darfur
2006-03-02
In the Sudan, Carter and a colleague struggle to save a woman who was raped by a band of militants. Back in the ER, Clemente asks to return to work after the shooting incident, but Kovac refuses. Meanwhile, Neela and Pratt have a work dispute, and, in a related incident, K.J.'s father shows up again...
E16
Out on a Limb
2006-03-16
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 Abby’s baby-related fears after an incident at the hospital places everyone at risk. Kerry makes a difficult choice, and Neela joins a support group.
E17
Lost in America
2006-03-23
Abby and Luka desperately try to keep a young woman brought into the ER with stab wounds to the neck alive. As her condition begins to worsen, Clemente steps in and tries a risky procedure on the girl in order to save her life. Meanwhile, Neela pulls an all-nighter in preparation for a speech at a s...
E18
Strange Bedfellows
2006-03-30
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 and Morris wrestle with the strange case of a car crash victim. Having made a change in her life, Sam finds herself enjoying a few new perks. Neela has u...
E19
No Place to Hide
2006-04-27
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 what is seems when she treats a 12-year-old and her grandmother, then differs with Luka over the best course of action. A prisoner is brought to the E...
E20
There Are No Angels Here
2006-05-04
Pratt gets to work in Darfur alongside Carter and his co-workers, but is troubled by astounding number of people needing care and finds himself making a dangerous journey.

🎭 Cast of ER Season 12

Goran Višnjić
Goran Višnjić
Luka Kovač
Maura Tierney
Maura Tierney
Abby Lockhart
Laura Innes
Laura Innes
Kerry Weaver
Mekhi Phifer
Mekhi Phifer
Greg Pratt
Parminder Nagra
Parminder Nagra
Neela Rasgotra
Linda Cardellini
Linda Cardellini
Samantha Taggart
Shane West
Shane West
Ray Barnett
Scott Grimes
Scott Grimes
Archie Morris

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