Let Me Go (S04E18)

Alex’s attempt at "normal" during Charlie's surgery is shattered when her worst fears become reality - his tumour is drastically more dangerous than anticipated. Struggling against protocol and mounting complications, Alex dives in to save the man she loves. But does she have enough time? And will he be the same man if he wakes up? In the spirit world, Charlie wanders the halls of Hope Zion in an attempt to find meaning in his life and gift to this point. It’s only when his life is placed on the line, however, he realizes that everything is for naught without the love of his spouse. Finally, in the ER, when a teen heartthrob seeks treatment for a hole in his heart, Dawn and Maggie learn to patch things up between them, before Dawn realizes that her romantic future lies with Zach. (iTunes)