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Set in Chicago, this medical drama deals with the personal and professional crises of the doctors in the emergency room at County General Hospital. From the exciting to the mundane, a day in the frantic hospital serves up many interesting dilemmas as well as heartrending choices for everyone on staff.
A documentary film crew invades the ER (S4 Ep1)
Still suffering emotionally from his beating, Greene misdiagnoses his cases (S4 Ep2)
Hathaway is jealous when Corday shows an interest in Ross (S4 Ep3)
Weaver gives Ross an ultimatum over his job (S4 Ep4) - V graphic, drug ref, upsetting scenes of injury
Benton finds it increasingly difficult to keep up with his workload (S4 Ep5) - Offensive language, scenes of violence and sugery
Greene's behaviour spirals out of control (S4 Ep6)
Ross and Greene travel to California to make funeral arrangements for Ross's father (S4 Ep7)
Jeanie accuses Weaver of unfair dismissal (S4 Ep8) - Upsetting scenes of surgery and medical care
Carter is arrested for refusing to cooperate with the police (S4 Ep9) - Scenes of surgery
Carter is shocked to discover that his cousin is using heroin (S4 Ep10) - Drug use and scenes and upsetting discussions
Ross wants to set a wedding date but Hathaway isn't so sure (S4 Ep11) - Scenes and discussions some viewers find upsetting
Jeanie tells Scott Anspaugh his cancer has returned. Benton and Corday spend time together (S4 Ep12) - Scenes and discussions some viewers find upsetting
Carter faces a tough decision as he works to save the life of a serial rapist (S4 Ep13) - Scenes of surgery, offensive language and themes
Greene's mother injures her knee and his father suffers respiratory distress (S4 Ep14)
An explosion at a chemical warehouse sends injured workers to the ER (S4 Ep15) - Scenes of surgery
Carter's cousin is rushed to the ER after a heroin overdose (S4 Ep16) - Scenes of surgery which some may find upsetting
A painful bone-marrow test reveals that Scott's cancer has returned (S4 Ep17)
Ross applies for a new post within the hospital (S4 Ep18) - Scenes of surgery and upsetting scenes
Shades of Grey: The ER treats victims from the bombing of a family planning clinic (S4 Ep19) - Scenes of surgery and upsetting scenes
Hathaway comforts a dying burns victim (S4 Ep20) - Scenes of surgery and upsetting scenes
Ross and Hathaway secretly try to detox a heroin-addicted infant (S4 Ep21) - Scenes of surgery and upsetting scenes
Romano refuses to sponsor a shocked Corday for another year (S4 Ep22) - Scenes of surgery and upsetting scenes