Four new first-year residents are immediately put to work by the ER's tough-minded residency directo...

Christa saves a woman's life and then pleads with Neal to perform a surgery that will save the patie...

The doctors work 36 consecutive hours in code black and must deal with a distraught mother of two so...

A new surgical attending Cole Guthrie joins Angels Memorial with the help of his estranged father an...

Neal clashes with his neurosurgeon father over how to treat his gravely ill mother, whose mysterious...

Leanne must deal with the difficult decision of whether to save Tom Moreno (Michael Trucco), the pol...

Angus utilizes his background in psychology when a woman cannot remember how she injured herself and...

Christa must handle all emergencies at Angels Memorial that happen outside the emergency room; Malay...

When the lead actor of the musical “The Lion King” tour arrives at Angels Memorial with a throat inf...

Leanne becomes rattled at the thought of losing Jesse, as he fights for his life after suffering a m...

Heavy fog at the scene of a massive multi-vehicle accident puts the doctors in danger; Jesse's confi...

As the doctors treat patients from the chaotic multi-vehicle accident, a love triangle begins to bui...

Angus' older brother, an "all-star" ER doctor, tries to secure a position at Angels Memorial. Meanwh...

Leanne visits a prison to finally confront the drunk driver who killed her family. Meanwhile, Malaya...

After a violent incident inside the hospital results with some grave injuries, the doctors are quest...

Christa is feeling insecure after Neal's former girlfriend makes a return to the hospital after a ye...

Christa has to try and ignore her personal feelings as she and Grace attempt to help a patient who s...

Mario confronts Angus about his Adderall abuse and Christa is surprised to learn how romantically in...

The new residents are introduced to the ER. A new doctor from the army who knows many advanced proce...

Willis must help a promising soccer player make a life-altering decision after he's seriously injure...

Willis defies Campbell’s orders when he helps Mario and Heather perform a radical procedure on a mai...

On Halloween night, Willis, Noa and Elliott rush to the scene of a fire at a haunted theater, where...

The Angels Memorial doctors treat victims caught in a landslide, and a group of children come in fro...

Malaya must inform a college student who regains consciousness at Angels Memorial that she's the vic...

Willis and Campbell are sent to a Russian submarine in U.S. waters to treat a sailor badly wounded d...

The doctors treat cult members who unwillingly survived a mass suicide attempt, and Mario decides to...

Willis, Leanne and Jesse risk their lives to operate on an injured officer who has an explosive bull...

A 13-year-old girl arrives at Angels Memorial following a seizure caused by spina bifida and the doc...

A code black at Angels Memorial takes a turn for the worse when a city- wide blackout leaves the hos...

Leanne defies Campbell's order and uses the hospital helicopter to reunite a family for the last tim...

Guthrie becomes the hospital's new chaplain and considers undergoing a risky surgery to treat his Pa...

After pulling a double shift, Mario risks his own life when he follows Willis to a construction site...

The ER is quarantined when a viral outbreak jeopardizes the lives of the doctors and patients at Ang...

The doctors work with the Center for Disease Control and Prevention to find an antidote to the deadl...

The doctors must race to save a girl caught in the crossfire of a shoot-out; Willis shifts his focus...

Angus and Mario treat a patient who is a self-proclaimed psychic and envisions the staff singing and...

Jesse is in denial when his brother arrives at Angels Memorial in bad shape after being pinned down...

Willis and Rox arrive at a road rage accident resulting in multiple serious injuries. Also, Elliot d...

Over the radio, Leanne and Jesse talk a young girl through how to use the supplies on board a small...

Willis and Rox are called to the scene of a wildfire in the mountains of Los Angeles to tend to the...

Rox decides to make amends with her former step coach when she arrives to Angels Memorial with the l...

Mario joins Rox and Willis on the scene of a boat crash and, in Center Stage, Leanne works to save a...

Max is brought to Angels Memorial with breathing difficulty, and Ariel tells him she loves him. Also...

Elliot fears the worst after hearing the emotional testimony by Detective Gomez's wife at his malpra...

While rescuing an injured firefighter, Rox is hit by a drunk driver and rushed to Angels Memorial. W...

Willis continues to tend to Rox's medical needs in San Diego and Leanne and Max's father go searchin...

Angels Memorial descends into chaos when a plane crashes into the 8th floor. Also, Noa has a car acc...