ER

Abby, Pratt and Morris try to figure out how to handle Moretti's strict new emergency room procedures. As injured people arrive from an antiwar rally, Gates frantically tries to find out what happened to Neela. Later, Gates takes matters into his own hands when he learns that a patient is responsible for the explosion at the rally.

Moretti continues to institute new measures that cause many of the emergency room doctors to despise him.

When a teenage wrestler comes into the emergency room with severe vomiting, Pratt quickly tries to solve the problem, but he finds out that the cause is much more serious.

County General Hospital is turned into a beauty parlor for a day when a gracious former patient provides free beauty treatments.

Moretti decides that Gates has done an impressive job in the intensive care unit and is now ready to return to the emergency room.

When Moretti brings in a new attending physician, Skye Wexler, to help with the workload, Morris and Pratt find the time to cram for their medical board examinations.

In an effort to be more environmentally conscious, Morris buys an energy-efficient smart car. Meanwhile, Abby and Pratt try to treat a fussy baby but disagree on the diagnosis. Abby gives into temptation while her husband is in Croatia.

Gates and Julia nurture their newfound romance but are soon interrupted by a troubled phone call from Gates' ward, Sarah. Meanwhile, Abby continues to be off her game, and the other doctors are starting to take notice.

When Kovac's brother visits from Croatia, Abby feels crowded in her own home. Meanwhile, Gates starts to experience the pressure of fatherhood after Sarah decides to have a sleepover with her friends.

Kovac, Abby, and baby Joe quickly make plans to go to Croatia after Kovac's father unexpectedly passes away, yet something still seems off with Abby.

When a young woman comes in with a badly hurt ankle, Sam is shocked to learn how much they have in common. Jeanie Boulet rushes into the ER after her son takes a fall during gym class.

Abby checks out of rehab, but she finds herself being questioned by the other doctors. When multiple victims of a fire come into the ER, Abby thinks that one of the little girls is suffering from LCA, a degenerative eye disorder.

Pratt gets cold feet when Bettina tries to take their relationship to the next level. Neela joins the Ortho's hockey team and is shocked to see who their opponents are in the first game.

Pratt and Dr. Brenner get off to a rocky start when Brenner refuses to teach the interns. Gates treats a young transplant patient with major heart trouble. Abby contemplates telling Kovac the truth about her affair as she heads for Croatia.

Neela has a strange daydream during work after pulling an all-night shift. Plus, she makes a quick decision about a patient with a torn aorta. Sarah's grandfather is rushed to the ER after collapsing during a game of air hockey.

Neela is upset after she finds the aorta surgery on Sheryl Hawkins has caused an infection. While treating a severely beaten Korean teen, Abby discovers an even more serious condition. Kovac struggles to forgive Abby for her indiscretion.

Pratt decides to fight for his relationship with Betina despite her reluctance. Neela treats a young injured couple, but when one of them pulls a gun she quickly finds out about their criminal status.

Morris meets with the hospital psychologist for a debriefing after his traumatic run-in with the jewelry thieves. Neela is frustrated when Sheryl Hawkins must go in for a fourth surgery to fix the infection.

A mysterious patient (guest star STEVE BUSCEMI - "Fargo," "The Big Lebowski," "The Sopranos"), with very mysterious visitors, comes into the ER.