Alex has a profound experience in the liminal space, while a desperate Charlie and his ex race against the clock to save her life.
With her body still in a coma, spirit form Alex shares an emotional journey with Charlie. Meanwhile, Joel forms a bond with a drug addict.
Alex struggles with her memory until a crisis at the hospital reminds her of who she truly is.
Alex is introduced to her “buddy colleague” on her first day back and Joel gets involved in a deadly situation at a local street clinic.
After a car accident, Alex and Joel determine a mother needs a transplant but her son is adamant that he be involved in the surgery.
A 'blood moon' gives the ER its busiest night of the year and also delivers a mystery to Alex, Maggie, and Joel.
Shahir and Alex try to save the memory of a young woman suffering from Alzheimer’s with a radical surgery.
Alex and Charlie try to find their rhythm while teaming up on a teenage girl’s double-surgery. Joel spends the day working at the clinic.
Alex and Joel’s relationship is tested during a marathon surgery of an injured race car driver; Charlie’s day off is full of surprises.
A neurosurgeon and author visits the hospital and tries to entice Alex with an offer, while she tries to save the life of one his patients.
Charlie plays referee while treating two aggressive female MMA fighters, while Alex plays ref to a spat between Dana and Molly.
Alex and Dawn struggle when two patients on the transplant list need the same heart; the impending boards puts pressure on Maggie.
Alex goes for a hike in the woods, but can’t get away from medicine when she finds a trapped teenager in a dire situation.
Alex and Maggie are faced with an intricate procedure to save a woman’s child when she and her partner refuse to be seen by Dr. Sydney.
Alex wrangles the team in a high-bid effort to diagnose the mysterious illness that haunts a beloved English teacher.
Alex and Charlie work to save the life of a man on the run; a spirit won’t leave Alex alone, and Charlie is intent to find out why.
Alex and Dana work to save the life of a single mother who’s used to calling the shots in her daughters’ lives.
Joel and Zach find themselves in a precarious situation at an offsite army base; Alex, Maggie and Rian write their Surgical Boards.