The Dark Swan rises!
Things go topsy-turvy on Once Upon a Time's fifth season when the Savior becomes the heroes' biggest foe. Emma (Jennifer Morrison) took one for the team and is on the path to becoming the Dark Swan. This leaves her friends and family scrambling to save her, and this will cause them to cross paths with Merida (guest star Amy Manson) and the whole gang in Camelot.
Here's everything else you need to know about Once Upon a Time Season 5: