While Robby tries to keep a developing staffing situation under wraps, Collins guides a surrogate through a difficult delivery.

When dozens of critical patients flood the ER, Robby and his team struggle to keep up amid quicky diminished supplies.

As the night shift begins, Robby refuses to give up on a mass casualty victim. Samira and Santos each attempt risky moves.

As the ER begins to quiet down, Robby struggles to cope with a loss, while Abbott and Samira are challenged by a patient’s rapidly deteriorating condition.

A realistic examination of the challenges facing healthcare workers in today's America as seen through the lens of the frontline heroes working in a modern-day hospital.

Dr. Robby introduces a fresh batch of interns to life in the ER.

Robby helps siblings navigate their elderly father's end of life care.

After Whitaker struggles with a patient, Samira vows to keep him off the path that led to her own problems navigating emergency medicine.

While helping a patient's family cope with loss, Robby struggles with memories of his mentor's final days.

Both Santos and Collins deal with their own moral - and legal - quandaries. Samira's careful approach earns praise from patients - and reproach from Robby.

Mel attempts to locate the daughter of an elderly patient as Collins finds herself in the middle of a battle between a pregnant teen, an understanding aunt, and a less forgiving mother.

After attending to a beauty influencer suffering a strange disconnection from reality, Samira pushes against Robby's instructions and follows her own instincts.

While Robby attends to an elderly patient with ties to Pittsburgh's history, other members of the team attempt to resuscitate a young drowning victim.

After a staff debrief from Robby, Dana defuses a waiting room brawl, Whitaker finds common ground with "The Kraken," and McKay faces a crucial error.

After being punched by the pissed-off patient, Dana arrives back at the ER with a bleeding nose, leaving everyone concerned.