Sam and Luka are desperately trying to find Alex, who has run away from home in the previous episode. Meanwhile, Ray, Abby and Neela have their first day as R2's, which means that besides treating patients, they have to monitor and teach interns. Written by Marco van Hoof [email protected]

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. Written by Marco van Hoof [email protected]

A tough day at work quickly gets worse for Luka as he clashes with new nurse manager, Eve Peyton. And later he's involved in a brawl with the father of an injured boy. Abby treats a woman with breast cancer. Also, Neela prepares a care package for Gallant. Written by Marcos

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! Written by Marcos

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. Written by Marcos

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.

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.

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.

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. Written by Marcos

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.

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.

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.

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. Written by Marcos

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. Written by Alex

In 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. Written by Alex

Weaver contemplates hip replacement surgery after she finds it hard to do her labor intensive job. Meanwhile, Kovac tries to ease Abby's fears about raising a child together. Neela decides to attend a support group for military spouses but when she offers her opinions on the war, the meeting turns into a debate. And after Sam treats a fainting victim, she finds herself with an intriguing job offer. Written by Alex

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. Written by Alex

When two teens are in a car accident, Abby and Morris struggle to figure out what is wrong with the unconscious girl. Meanwhile, Neela gets a visit from her in-laws and discovers some troubling news. Kovac tells Abby that he plans to go to Africa and help Carter, but when he realizes Abby is not crazy about the idea, he decides to send someone else in his place. Sam starts her new job with Elliot and quickly starts to love the the perks. Written by Alex

Dr. Clemente's paranoia spirals out of control after he receives threatening mail from his mistresses husband. Abby senses something not right when a grandmother and granddaughter are brought into the ER. Sam's jailed ex-husband Steve is brought into the ER and everyone but Neela assumes he is faking sick. Meanwhile, tensions grow when Morris and Albright argue over a patient, Pratt heads to Africa to help Carter and quickly realizes how difficult life will be, and Weaver finishes physical therapy. Written by Heather

Dr. Pratt settles into his new job in Darfur but is troubled by the huge number of people needing care. A sheik and his pregnant wife arrive looking for treatment. Carter and Dakarai work on fixing the man's wound, but they are interrupted by government officials trying to arrest the man. Pratt and Dakarai are forced to make journey to a hospital at the risk of getting stopped by the Janjaweed. Meanwhile, Debbie tries to convince Dr. Dakarai to get treatment for his medical condition. Written by Alex

Neela receives good news about her surgical residency, but two visitors bring some troubling news regarding Gallant. Pratt struggles to get a straight story when two abused boys come into the ER with their father. Clemente's behavior grows more and more erratic, forcing Luka to take a stand. Written by Marcos

Chaos strikes in County General when shots are fired and the gunmen get more and more desperate to make it out of the hospital. Kovac unknowingly puts himself in harms way while Abby is in the line of fire. Meanwhile, Pratt tries to help Neela as she attends to Gallant's concerned parents. Written by Alex