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The Best Episodes of ER Season 12

Every episode of ER Season 12 ranked from best to worst. Discover the Best Episodes of ER Season 12!

Binge this in 16h 6m•Peaking at 8.8/10

ER explores the inner workings of an urban teaching hospital and the critical issues faced by the dedicated physicians and staff of its overburdened emergency room.

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Episode Rankings

  1. #1 Fan Favorite
    ER Season 12 Episode 22 - 21 Guns
    8.8/10(850 votes)

    S12:E22

    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 one nurse to become a tool in their plan.

    Director:Nelson McCormick
    Writer:David Zabel

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  2. ER Season 12 Episode 8 - Two Ships
    8.3/10(516 votes)

    S12:E8

    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.

    Director:Christopher Chulack
    Writers:Joe Sachs, Virgil Williams

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  3. ER Season 12 Episode 13 - Body and Soul
    8.2/10(668 votes)

    S12:E13

    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.

    Director:Paul McCrane
    Writer:Joe Sachs

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  4. ER Season 12 Episode 21 - The Gallant Hero and the Tragic Victor
    8.2/10(536 votes)

    S12:E21

    Pratt struggles to get a straight story when two abused boys come into the ER with their father. Two U.S. Army officers enter the ER.

    Director:Steve Shill
    Writer:R. Scott Gemmill

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  5. ER Season 12 Episode 4 - Blame it on the Rain
    7.8/10(442 votes)

    S12:E4

    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!

    Director:Paul McCrane
    Writer:R. Scott Gemmill

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  6. ER Season 12 Episode 7 - The Human Shield
    7.8/10(466 votes)

    S12:E7

    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.

    Director:Laura Innes
    Writer:R. Scott Gemmill

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  7. ER Season 12 Episode 10 - All About Christmas Eve
    7.8/10(475 votes)

    S12:E10

    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.

    Director:Lesli Linka Glatter
    Writer:Janine Sherman Barrois

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  8. ER Season 12 Episode 5 - Wake Up
    7.7/10(479 votes)

    S12:E5

    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.

    Director:Arthur Albert
    Writer:Janine Sherman Barrois

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  9. ER Season 12 Episode 12 - Split Decisions
    7.7/10(491 votes)

    S12:E12

    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.

    Director:Richard Thorpe
    Writer:R. Scott Gemmill

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  10. ER Season 12 Episode 20 - There Are No Angels Here
    7.7/10(508 votes)

    S12:E20

    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.

    Director:Christopher Chulack
    Writers:David Zabel, R. Scott Gemmill

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  11. ER Season 12 Episode 9 - I Do
    7.6/10(441 votes)

    S12:E9

    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 the new Chief of Emergency Medicine.

    Director:Gloria Muzio
    Writer:Lydia Woodward

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  12. ER Season 12 Episode 14 - Quintessence of Dust
    7.6/10(446 votes)

    S12:E14

    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.

    Director:Joanna Kerns
    Writers:David Zabel, Lisa Zwerling

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  13. ER Season 12 Episode 17 - Lost in America
    7.6/10(413 votes)

    S12:E17

    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 surgeon's convention, Ray treats a man claiming to have swallowed a bottle of pills, and Sam decides to take a part-time job with Richard to help her with childcare expenses.

    Director:Stephen Cragg
    Writer:Lisa Zwerling

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  14. ER Season 12 Episode 19 - No Place to Hide
    7.6/10(442 votes)

    S12:E19

    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 ER with what everyone thinks is a fake case of appendicitis. Morris is dressed, and ready, to impress, but Albright’s not. It’s time for Kerry to return to work and Clemente doesn’t know when it’s time to leave.

    Director:Skipp Sudduth
    Writer:Lydia Woodward

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  15. ER Season 12 Episode 2 - Nobody's Baby
    7.5/10(451 votes)

    S12:E2

    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.

    Director:Laura Innes
    Writer:R. Scott Gemmill

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  16. ER Season 12 Episode 18 - Strange Bedfellows
    7.5/10(420 votes)

    S12:E18

    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 unexpected visitors, with even more unexpected news.

    Director:Laura Innes
    Writer:Virgil Williams

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  17. ER Season 12 Episode 3 - Man with No Name
    7.4/10(497 votes)

    S12:E3

    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.

    Director:Christopher Chulack
    Writer:David Zabel

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  18. ER Season 12 Episode 6 - Dream House
    7.4/10(463 votes)

    S12:E6

    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.

    Director:Stephen Cragg
    Writer:David Zabel

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  19. ER Season 12 Episode 11 - If Not Now
    7.4/10(450 votes)

    S12:E11

    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.

    Director:John Gallagher
    Writer:David Zabel

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  20. ER Season 12 Episode 16 - Out on a Limb
    7.4/10(416 votes)

    S12:E16

    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.

    Director:Lesli Linka Glatter
    Writer:Karen Maser

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  21. ER Season 12 Episode 15 - Darfur
    7.1/10(456 votes)

    S12:E15

    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 in the ER.

    Director:Richard Thorpe
    Writer:Janine Sherman Barrois

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  22. ER Season 12 Episode 1 - Cañon City
    7.0/10(487 votes)

    S12:E1

    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.

    Director:Christopher Chulack
    Writers:John Wells, Lisa Zwerling, Joe Sachs

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Season 12 Ratings Summary

"21 Guns" is the best rated episode of "ER" season 12. It scored 8.8/10 based on 850 votes. Directed by Nelson McCormick and written by David Zabel, it aired on 5/18/2006. This episode is rated 0.5 points higher than the second-best, "Two Ships".