ER

The groundbreaking first season introduces the chaotic world of County General's emergency room, establishing key relationships and the demanding nature of the medical staff's lives.

The staff faces new medical challenges and personal upheavals, with Dr. Doug Ross and Nurse Carol Hathaway continuing their complex relationship.

Intense personal conflicts and medical ethics test the resilience of the team, as Dr. Mark Greene deals with a traumatic personal assault.

The ER continues to adapt to corporate healthcare changes and the pressures of high-stress trauma cases, featuring the series' first live broadcast episode.

Marked by significant departures and emotional turning points, this season explores the painful exit of Dr. Doug Ross from Chicago.

New faces join County General while longtime staff members confront devastating tragedies and life-altering decisions.

The medical team navigates ongoing professional hurdles, mentor-student dynamics, and personal losses.

A poignant season featuring the farewell arc of Dr. Mark Greene, whose battle with terminal illness impacts the entire hospital.

County General faces severe financial crises and staffing shortages while dealing with international missions and global health concerns.

The arrival of new medical students and attending physicians shakes up the dynamic of the trauma room.

Relationships are tested, careers evolve, and the staff confronts the harsh realities of emergency medicine.

New challenges emerge as the hospital deals with dangerous situations, including a lockdown and violent incidents.

The emergency room sees shifts in leadership and a continuing cycle of triumphs and heartbreaks.

Shortened by the Writers Guild strike, this season nevertheless explores deep personal crises for the remaining staff.

The final season brings back many legacy characters for a nostalgic and emotional send-off to County General Hospital.