Series 4 Episode 12
Weaver questions Synergix's management practices. Ross plans a surprise wedding but Hathaway is oblivious. Jeanie tells Scott Anspaugh his cancer has returned. Benton and Corday spend time together.
Series 4 Episode 1
Ambush: A documentary film crew invades the ER, seeing more than the medical staff wish to expose
Series 4 Episode 1
Series 4 Episode 2
Something New: A still suffering Greene misdiagnoses his cases. Carter meets his new medical student.
Series 4 Episode 2
Series 4 Episode 3
Friendly Fire: Jerry accidentally starts a fire. Hathaway is jealous when Corday shows interest in Ross.
Series 4 Episode 3
Series 4 Episode 4
When the Bough Breaks: Greene is denied the chance to spend time with his child. Weaver gives Ross an ultimatum.
Series 4 Episode 4
Series 4 Episode 5
Good Touch, Bad Touch: Benton finds it hard to keep up with his workload. Carter questions his career choice.
Series 4 Episode 5
Series 4 Episode 6
Ground Zero: Greene's behaviour spirals out of control, while Weaver attends a cost-cutting symposium
Series 4 Episode 6
Series 4 Episode 7
Fathers and Sons: Ross and Greene travel to California to make the funeral arrangements for Ross's father
Series 4 Episode 7
Series 4 Episode 8
Freak Show: A teen with inverted internal organs needs emergency surgery. Cynthia makes more mistakes.
Series 4 Episode 8
Series 4 Episode 9
Obstruction of Justice: After defending a patient, Carter is arrested for refusing to cooperate with the police
Series 4 Episode 9
Series 4 Episode 10
Do You See What I See?: A blind man comes to believe Benton is a miracle worker with remarkable healing powers
Series 4 Episode 10
Series 4 Episode 11
Think Warm Thoughts: Ross wants to set a wedding date but Hathaway isn't sure. Dr Anspaugh's son is rushed in.
Series 4 Episode 11
Series 4 Episode 12
Sharp Relief: Weaver questions Synergix's management practices. Benton and Corday spend time together.
Series 4 Episode 12
Series 4 Episode 13
Carter's Choice: Carter faces a tough decision as he works to save a rapist's life. Ross feels humiliated.
Series 4 Episode 13
Series 4 Episode 14
Family Practice: When Greene returns to San Diego to help out during a family crisis, Cynthia follows him
Series 4 Episode 14
Series 4 Episode 15
Exodus: A chemical warehouse explosion sends injured workers to the ER, putting everyone in danger
Series 4 Episode 15
Series 4 Episode 16
My Brother's Keeper: Romano gives Corday a poor review. Carter's cousin is rushed in after a heroin overdose.
Series 4 Episode 16
Series 4 Episode 17
A Bloody Mess: A test reveals Scott's cancer has returned. Benton, Corday and Reese have a car accident.
Series 4 Episode 17
Series 4 Episode 18
Gut Reaction: Ross seeks a new post. Benton clashes with Morgenstern. Hathaway's clinic loses funding.
Series 4 Episode 18
Series 4 Episode 19
Shades of Gray: The ER treats victims from the bombing of a family planning clinic. Benton is suspended.
Series 4 Episode 19
Series 4 Episode 20
Of Past Regret and Future Fear: Hathaway comforts a burns victim. Carter reaches an understanding with his grandmother.
Series 4 Episode 20