501: Doctor Destiny
Picking up in the bloody aftermath of last season's cliffhanger, Alex battles fate to save the life of a young woman caught in the crossfire. After Charlie catches a bullet in the arm, the doctor becomes the patient. Dana's patience is tested by an obstinate male stripper named Doctor Destiny.
502: Midlife Crisis
Alex and Maggie discover that one of the car crash survivors they're treating has breast cancer, and is a match for their cancer study. Meanwhile, Dana's resolve to re-certify in Trauma is tested when Dawn pushes her to treat a mangled motorcyclist, and Charlie is pulled into surgery before his arm is completely healed.
503: Birthday Blues
It's a not-so-Happy Birthday for Alex, who's still reeling from her split with Charlie. To make matters worse, she makes a promise to a young girl, whose own birthday is derailed by her father's sickle cell crisis. Charlie treats a paranormal skeptic, only to discover this supernatural naysayer has a haunting of his own. And Cassie confronts her inner fear of parasites with some exposure therapy, as she treats a brother/sister duo riddled with every infestation.
504: A Stranger Comes To Town
Tempers flare as Dev's med school rival, Billy Scott arrives at Hope Zion, while Alex breaks the rules and puts her job in jeopardy to help Manny save the life of an at-risk youth, and Charlie and Maggie treat an 1812 War re-enactor, whose complications align with the historical character he's playing.
505: Tested And Tried
Although Alex's patient is desperate for a liver-transplant, the only donor is an estranged father that's hiding in witness protection, forcing Alex to go to new depths to make sure both survive. Hope Zion's CEO Thomas Leffering cuts costs by banning expensive surgeries, butting heads with a defiant Dawn. Sensing his E.R. might be next to go, Zach plans for a perfect day only to be faced with the 10 plagues of Egypt.
506: Doctor RobotTomorrow 11|10cPM
When Alex and Maggie cannot agree on the best way to help an ailing Bree, their hesitation causes complications, leading to Alex not telling the whole truth to Charlie, who has just been made interim Chief of Surgery. Meanwhile, Charlie's patient's incessant puns signal a deeper problem, and Zach struggles to transition his E.R. to an Urgent Care, while struggling to convince his patient to wear pants.
507: GuttedWed, Apr 26 12|11cAM
Following the tragic complications with their cancer study patient Bree, Alex and Maggie are under investigation by a high focused lawyer looking to get to the truth of the matter. To make matters worse, Alex must tell her mother that she's been diagnosed with a terminal disease. Zach's transition from ER to urgent care facility comes smashing to a halt when a car crashes into the ambulance bay, pinning a man against the wall.