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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!

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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 1 - Cañon City
    7.0/10(419 votes)

    #1 - Cañon City

    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:Joe Sachs, John Wells, Lisa Zwerling

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  2. ER Season 12 Episode 2 - Nobody's Baby
    7.6/10(388 votes)

    #2 - Nobody's Baby

    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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  3. ER Season 12 Episode 3 - Man with No Name
    7.4/10(704 votes)

    #3 - Man with No Name

    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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  4. ER Season 12 Episode 4 - Blame it on the Rain
    7.8/10(385 votes)

    #4 - Blame it on the Rain

    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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  5. ER Season 12 Episode 5 - Wake Up
    7.8/10(420 votes)

    #5 - Wake Up

    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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  6. ER Season 12 Episode 6 - Dream House
    7.4/10(400 votes)

    #6 - Dream House

    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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  7. ER Season 12 Episode 7 - The Human Shield
    7.8/10(406 votes)

    #7 - The Human Shield

    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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  8. ER Season 12 Episode 8 - Two Ships
    8.3/10(461 votes)

    #8 - Two Ships

    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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  9. ER Season 12 Episode 9 - I Do
    7.6/10(377 votes)

    #9 - I Do

    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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  10. ER Season 12 Episode 10 - All About Christmas Eve
    7.9/10(409 votes)

    #10 - All About Christmas Eve

    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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  11. ER Season 12 Episode 11 - If Not Now
    7.4/10(388 votes)

    #11 - If Not Now

    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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  12. ER Season 12 Episode 12 - Split Decisions
    7.7/10(701 votes)

    #12 - Split Decisions

    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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  13. ER Season 12 Episode 13 - Body and Soul
    8.2/10(601 votes)

    #13 - Body and Soul

    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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  14. ER Season 12 Episode 14 - Quintessence of Dust
    7.6/10(384 votes)

    #14 - Quintessence of Dust

    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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  15. ER Season 12 Episode 15 - Darfur
    7.2/10(393 votes)

    #15 - Darfur

    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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  16. ER Season 12 Episode 16 - Out on a Limb
    7.4/10(358 votes)

    #16 - Out on a Limb

    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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  17. ER Season 12 Episode 17 - Lost in America
    7.6/10(356 votes)

    #17 - Lost in America

    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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  18. ER Season 12 Episode 18 - Strange Bedfellows
    7.6/10(365 votes)

    #18 - Strange Bedfellows

    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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  19. ER Season 12 Episode 19 - No Place to Hide
    7.6/10(387 votes)

    #19 - No Place to Hide

    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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  20. ER Season 12 Episode 20 - There Are No Angels Here
    7.7/10(444 votes)

    #20 - There Are No Angels Here

    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:R. Scott Gemmill, David Zabel

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  21. ER Season 12 Episode 21 - The Gallant Hero and the Tragic Victor
    8.3/10(469 votes)

    #21 - The Gallant Hero and the Tragic Victor

    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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  22. ER Season 12 Episode 22 - 21 Guns
    8.8/10(799 votes)

    #22 - 21 Guns

    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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Season 12 Ratings Summary

"Cañon City" is the best rated episode of "ER" season 12. It scored 7/10 based on 419 votes. Directed by Christopher Chulack and written by Joe Sachs, John Wells, Lisa Zwerling, it aired on 9/22/2005. This episode is rated 0.6 points higher than the second-best, "Nobody's Baby".