ER backdrop
Drama

The Best Episodes of ER Season 9

Every episode of ER Season 9 ranked from best to worst. Discover the Best Episodes of ER Season 9!

Binge this in 16h 30m•Peaking at 8.4/10

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.

Airs on
NBC
BestEpisodes
WorstEpisodes
BestSeasons
AllEpisodes

Seasons15

All123456789101112131415

Episode Rankings

  1. #1 Fan Favorite
    ER Season 9 Episode 1 - Chaos Theory
    8.4/10(635 votes)

    #1 - Chaos Theory

    S9:E1

    Dr. Carter, Abby and other staff of the ER are quarantined as the CDC investigate a mysterious, deadly outbreak.

    Director:Jonathan Kaplan
    Writers:R. Scott Gemmill, Jack Orman

    Be the first to start the conversation for this episode

  2. ER Season 9 Episode 2 - Dead Again
    7.6/10(404 votes)

    #2 - Dead Again

    S9:E2

    After another hospital shuts down, the ER is flooded with patients. Dr. Pratt resuscitates a heart-attack victim who had been pronounced dead.

    Director:Unknown
    Writer:Dee Johnson

    Be the first to start the conversation for this episode

  3. ER Season 9 Episode 3 - Insurrection
    7.8/10(433 votes)

    #3 - Insurrection

    S9:E3

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

    Director:Charles Haid
    Writers:Yahlin Chang, Jack Orman

    Be the first to start the conversation for this episode

  4. ER Season 9 Episode 4 - Walk Like a Man
    7.5/10(407 votes)

    #4 - Walk Like a Man

    S9:E4

    Weaver makes a mistake on live television while demonstrating flu shots, inadvertently sticking two reporters with the same needle. In the bathroom later, Susan and Abby catch Weaver in a stall with a needle. Weaver confesses to Susan that she's taking hormones. Carter, assuming Susan knows already, tells her about Abby's drinking problem. Abby becomes nurse manager, and argues with Carter about her drinking. Luka flirts with a patient's mom and is caught emerging from a storage closet with her. Gallant has a rough day: Pratt butts in on a patient of his, and Stella Willis dies because Kayson didn't bother with thorough treatment.

    Director:Félix Alcalá
    Writer:David Zabel

    Be the first to start the conversation for this episode

  5. ER Season 9 Episode 5 - A Hopeless Wound
    7.8/10(463 votes)

    #5 - A Hopeless Wound

    S9:E5

    On a busy Halloween night, Carter and Abby are the only staffers in costume when victims of an apartment building fire pack the ER. Corday takes on a new med student for a surgical rotation - Paul Nathan, who suffers from Parkinson's disease and decided to pursue medicine after being diagnosed. Despite a difficult first day, both professionally and medically, Nathan makes a difficult diagnosis. Romano's rehab lags behind his expectations, and he begins to doubt his role in surgery is no longer an option.

    Director:Laura Innes
    Writer:Joe Sachs

    Be the first to start the conversation for this episode

  6. ER Season 9 Episode 6 - One Can Only Hope
    7.5/10(407 votes)

    #6 - One Can Only Hope

    S9:E6

    Corday clashes with new surgical resident Paul Nathan regarding his intervention into the treatment of a sickly young woman, Alison, who has signed a "do not resuscitate" order. Abby wonders about the erratic behavior of her visiting brother Eric, and feels conflicted over a nurse's official complaint against Kovac, Abby's former lover. Meanwhile, Pratt comforts Chen after a patient threatens her, and Corday suspects that an unconscious, 14-year-old female patient has been sexually assaulted.

    Director:Jonathan Kaplan
    Writer:Bruce Miller

    Be the first to start the conversation for this episode

    7. Trending NowTRENDING NOW

    The 20 BEST Episodes of ER

    READ
  7. ER Season 9 Episode 7 - Tell Me Where It Hurts
    7.5/10(401 votes)

    #7 - Tell Me Where It Hurts

    S9:E7

    Abby fears the worst when her brother Eric suddenly disappears. Carter and Chen treat a frightened Chinese immigrant nanny, Tong-Yi, whom they suspect was impregnated by her employer. Meanwhile, new surgical resident Paul Nathan, who is struggling to overcome a physical disability, tries to help in the emergency room—but his fellow doctors do not appreciate his advice to patients. Unable to quench his sexual appetites, Kovac also gets into trouble in his professional life, despite his admirable resolve to find an eye specialist to treat a young gunshot victim. Gallant and fellow medical student Erin Harkins engage in an escalating competition of medical knowledge. And Weaver gets some much-needed good news.

    Director:Unknown
    Writer:R. Scott Gemmill

    Be the first to start the conversation for this episode

  8. ER Season 9 Episode 8 - First Snowfall
    8.2/10(1537 votes)

    #8 - First Snowfall

    S9:E8

    Abby's family nightmare continues as she and her mother Maggie search for Abby's missing brother Eric, who Abby suspects is suffering from serious mental problems. Meanwhile, Corday treats a family of patients who, while building a snowman, were severely injured after being struck by a truck driver.

    Director:Unknown
    Writer:Jack Orman

    Be the first to start the conversation for this episode

  9. ER Season 9 Episode 9 - Next of Kin
    7.5/10(399 votes)

    #9 - Next of Kin

    S9:E9

    Abby is distressed when her mother interferes with Eric's treatment at a psychiatric hospital. Pratt treats a frightened young girl who has been injured in an auto accident and desperately wants to hide a secret. An unhappy Luka forms an unlikely bond with a lonely elderly woman who makes him a surprising offer. Chen is overcome with upsetting memories when a baby is abandoned in the emergency room. Pratt takes action after Leon is fired from his menial job.

    Director:Paul McCrane
    Writer:Dee Johnson

    Be the first to start the conversation for this episode

  10. ER Season 9 Episode 10 - Hindsight
    7.6/10(458 votes)

    #10 - Hindsight

    S9:E10

    Dr. Kovac's speeding causes a crash on an icy road. The ER staff treats angry elves and a female hockey player with a head injury.

    Director:David Nutter
    Writer:David Zabel

    Be the first to start the conversation for this episode

  11. ER Season 9 Episode 11 - A Little Help From My Friends
    7.5/10(406 votes)

    #11 - A Little Help From My Friends

    S9:E11

    Dr. Pratt brings a gun into the ER; Dr. Weaver tries to conceal her pregnancy; a woman plots against her dying husband; Dr. Chen treats math students who overdosed on an unknown stimulant.

    Director:Alan J. Levi
    Writer:Unknown

    Be the first to start the conversation for this episode

  12. ER Season 9 Episode 12 - A Saint in the City
    7.4/10(396 votes)

    #12 - A Saint in the City

    S9:E12

    Dr. Weaver is in a difficult situation when an alderman tests positive for syphilis. Dr. Carter is impressed when he meets a man who runs an inner city clinic.

    Director:Peggy Rajski
    Writer:Bruce Miller

    Be the first to start the conversation for this episode

  13. ER Season 9 Episode 13 - No Good Deed Goes Unpunished
    7.6/10(394 votes)

    #13 - No Good Deed Goes Unpunished

    S9:E13

    Dr. Pratt's disabled roommate leads him to a wounded thief. Dr Carter decides to practice medicine in Africa. A doctor makes a pass at Dr. Corday.

    Director:Alan J. Levi
    Writer:Unknown

    Be the first to start the conversation for this episode

  14. ER Season 9 Episode 14 - No Strings Attached
    7.4/10(383 votes)

    #14 - No Strings Attached

    S9:E14

    Abby's troubled brother is missing. A car runs into a crowd of teen girls. The alderman with syphilis gives Dr. Weaver a promotion. Dr. Lewis looks forward to a blind date.

    Directors:Peggy Rajski, Jonathan Kaplan
    Writer:Bruce Miller

    Be the first to start the conversation for this episode

  15. ER Season 9 Episode 15 - A Boy Falling Out of the Sky
    7.7/10(392 votes)

    #15 - A Boy Falling Out of the Sky

    S9:E15

    Abby comes close to breaking down trying to deal with her mother. Dr. Pratt goes for his required paramedic ride-along. Dr. Weaver confronts the man who stole her purse. Dr. Lewis has a teen admirer.

    Director:Charles Haid
    Writers:R. Scott Gemmill, Yahlin Chang

    Be the first to start the conversation for this episode

  16. ER Season 9 Episode 16 - A Thousand Cranes
    7.8/10(420 votes)

    #16 - A Thousand Cranes

    S9:E16

    The police question Drs. Pratt and Gallant about a rampage at the diner across from the ER. Dr. Lewis befriends her teen admirer, a cancer patient.

    Director:Jonathan Kaplan
    Writer:Unknown

    Be the first to start the conversation for this episode

  17. ER Season 9 Episode 17 - The Advocate
    7.7/10(381 votes)

    #17 - The Advocate

    S9:E17

    Dr. Weaver bends the rules and treats the Alderman's lover for syphilis. Dr. Kovac's patient claims she was sexually abused at a boot camp for troubled youth. Dr. Carter treats a women with a nasty personality.

    Director:Julie Hébert
    Writer:Joe Sachs

    Be the first to start the conversation for this episode

  18. ER Season 9 Episode 18 - Finders Keepers
    8.0/10(405 votes)

    #18 - Finders Keepers

    S9:E18

    Dr. Romano seizes control of the ER and manages to offend everyone. Dr. Kovac asks Dr. Corday's help in the quest to bring a sickly Croatian boy to the U.S. for medical treatment.

    Director:Unknown
    Writer:Dee Johnson

    Be the first to start the conversation for this episode

  19. ER Season 9 Episode 19 - Things Change
    7.9/10(389 votes)

    #19 - Things Change

    S9:E19

    A psychotic patient threatens Abby. Dr. Weaver suspects a woman poisoned her own baby. Dr. Romano continues to make rash judgments.

    Director:Unknown
    Writer:R. Scott Gemmill

    Be the first to start the conversation for this episode

  20. ER Season 9 Episode 20 - Foreign Affairs
    7.6/10(390 votes)

    #20 - Foreign Affairs

    S9:E20

    Dr. Carter tries to prevent a grieving gang member from going after vengeance. Dr. Kovac races against time to save a Croatian boy's life. A baseball player gets treatment for a heart problem.

    Director:Jonathan Kaplan
    Writer:David Zabel

    Be the first to start the conversation for this episode

  21. ER Season 9 Episode 21 - When Night Meets Day
    8.1/10(473 votes)

    #21 - When Night Meets Day

    S9:E21

    Carter's day shift and Pratt's night shift (his final shift at County) are intercut. Both men have extremely busy days. Doc Magoo's burns down. Luka calls Carter from the Congo and asks for help. Carter decides to go. Pratt decides to stay at County. In other parts of the hospital, Romano has his now-useless left arm amputated.

    Director:Unknown
    Writer:Jack Orman

    Be the first to start the conversation for this episode

  22. ER Season 9 Episode 22 - Kisangani
    8.4/10(553 votes)

    #22 - Kisangani

    S9:E22

    Carter travels to the Congo after Luka calls and asks for help. During the course of his two weeks there, he learns how much different the conditions are against what he's used to. Luka decides to stay for a while as Carter heads back to Chicago, ending up at a sleeping Abby's bedside.

    Director:Christopher Chulack
    Writer:John Wells

    Be the first to start the conversation for this episode

Season 9 Ratings Summary

"Chaos Theory" is the best rated episode of "ER" season 9. It scored 8.4/10 based on 635 votes. Directed by Jonathan Kaplan and written by R. Scott Gemmill, Jack Orman, it aired on 9/26/2002. This episode is rated 0.8 points higher than the second-best, "Dead Again".