ER, Ask Me No Questions, I'll Tell You No Lies

Carter works alone on the night shift during the hospital's July 4th picnic; Jeanie Boulet and Dr. Benton await the results of their HIV tests.

As a new chief of staff takes over, rumors maintain County will be forced to close because of budget cuts.

Carter makes an error in judgement; the chief of staff's changes worry Greene; a new intern works with Ross; a new pediatric surgeon arrives.

A night of partying ends in disaster for Dr Ross and his date; Benton operates on a teen with Crohn's disease; Carter rooms with Gant.

A Halloween-costumed patient scares the doctors; Carter breaks bad news to an injured youngster; the Healthmobile travels to a dangerous part of town.

A helicopter delivers an injured family to the ER; Benton's overconfidence in surgery threatens a child's life.

Benton obsesses over a critically ill baby and uses extreme measures to sustain Ross' brain-dead patient.

Lewis and Greene face a personal decision; a drunken woman goes into labor; Charlie visits the Healthmobile again.

Greene questions Jeanie about her health after he treats Al; Carter hears about Keaton's future plans; Ross supports Hathaway in her pre-med studies.

Jeanie decides to stop rumors about a staff member with HIV; Charlie brings a seriously ill baby to Ross; Doyle helps a battered woman.

Jeanie enrols in a study involving night-shift workers; Hathaway upsets the nurses; Charlie reappears and asks Ross for a favour.

Carter and Benton share a personal tragedy; bullets injure members of a bridal party; Charlie's mother appears; Jeanie and a doctor hit it off.

Greene's success with prospective ER interns causes Anspaugh to offer him a tenured teaching position; angry with Benton, Carter wants a transfer.

Carter joins Hicks' team; Ross saves a choking child; Benton undergoes emergency surgery.

Hathaway uses her medical skills to help the injured at a convenience-store robbery; guest Ewan McGregor.

Benton returns to work; Carter catches a critical error; a Down's Syndrome patient needs a heart transplant; Hathaway decides to take the medical admissions test.

Teens' gunshot wounds cause Greene to deal with racial attitudes; Carter evaluates a seemingly crack-addicted patient.

Greene struggles with family and professional problems; Hathaway frets about her medical-board exam; an AIDS patient attempts suicide.

Hathaway mulls med school after receiving her board scores; Anspaugh criticises Carter, who catches Dr Edson in a breach of ethics.

Gunshot victims flood the ER when a distraught father goes on a shooting spree in a foster-care facility.

An ulcer patient refuses to let Carter operate; Carla and Benton face a pregnancy crisis; Ross pulls off a birthday surprise for Hathaway.

Benton's premature baby struggles to survive; Anspaugh delivers an ultimatum to Carter; Jeanie and Al embark on a new future together.