ER (OV)

When Anspaugh decides to retire as chief of staff and return to surgery, he appoints Romano as his replacement.

After his mother's funeral, Dr. Greene comforts his father (JOHN CULLUM) in San Diego. In Chicago, Romano surprises Corday by appointing her associate chief of surgery.

A recommendation from Weaver allows Jeanie to have temporary approval as a foster parent for baby Carlos. Reggie and Jeanie get married.

Hathaway befriends an out-of-work waitress, Meg (MARTHA PLIMPTON ). Seven-months pregnant, Meg cannot afford prenatal care.

A prank in a high school science class goes terribly awry, injuring a teacher and several students. Hathaway discovers Meg's drug addiction.

Benton informs Carla that he is Reese's father no matter what. Jeanie resigns because she wants to stay home and take care of her son.

Weaver tries to save the life of a rape victim while Corday struggles with feelings of disdain as she is forced to save the rapist.

Complications arise as Hathaway delivers twins, Tess and Kate. Greene, Hathaway's Lamaze coach, rushes to the hospital to be with her during the delivery.

Kovac and Haleh take care of Hathaway's twins so the new mother can finally get some rest. The job transfer for Carla's husband does not get approved allowing Reese to stay in Chicago.

In order to get her paitient to tell her the location of a missing body, Corday agrees to grant him a fatal wish. Kovac befriends two brothers.

Lucy's patient finally gets a heart transplant but does not survive. The transplanted heart will now go to another recipient.

Two boys brought in after a fight at school leads Cleo to discover that one of them has been injecting himself with hormones.

Kovac tells two mildly injured children that their parents did not survive a car accident. Greene, Corday, David Greene and Isabelle go out for a special dinner.

Irritated by a raucous Valentine's Day party in the admittance area as she comes on duty, Weaver attends to a few situations before entering the horrifying examination room.

Kovac witnesses an accident and saves the young victim's life. Carter slowly recovers from his brutal attack and undergoes excruciating physical therapy.

Even though he suffers from intense pain due to his stabbing injuries, Carter returns to work and prescribes a controversial procedure for a suicidal patient.

Chen's patient refuses to reveal to his daughter that she might have inherited a terrible disease from him. Weaver defies Romano's authority and performs a procedure that gets her suspended.

After Corday refuses to perform exploratory surgery on Cleo's patient, Cleo enlists Benton's help, infuriating Corday.

Carter seeks psychiatric help because he can't sleep. He then visits the wife of his attacker. Weaver returns to work after her suspension. Hathaway and Kovac share a kiss.

Weaver reprimands Carter for doing a dangerous procedure without consulting Kovac. She also talks to Hathaway about Hathaway's lack of focus on the job.

Greene prepares to bury his father. Chen worries about Carter's mood swings. Hathaway realizes she wants her family together and flies to Seattle to join Ross.

As the result of a school shooting, Kovac and Benton care for the gunman and his victims. Abby discovers that Carter has been illegally injecting pain relievers.