Watch Once Upon a Time Season 5, Episode 1 The Dark Swan Online

Immediately after becoming the Dark One, Emma disappears and the heroes must band together to save her, but first they have to find her, which will require the help of an unlikely ally. Meanwhile, in the Enchanted Forest, Emma struggles to resist her dark urges as she searches for Merlin in the hope that he can stop her transformation. Along the way to Camelot, she gets help from the plucky and brave warrior princess Merida, as well as King Arthur and his Knights of the Round Table. From the inventive minds of Lost executive producers Adam Horowitz and Edward Kitsis comes a bold new imagining of the world, where fairy tales and the modern-day are about to collide. And they all lived happily ever after - or so everyone was led to believe. Emma Swan knows how to take care of herself. She's a 28-year-old bail bonds collector who's been on her own ever since she was abandoned as a baby. But when the son she gave up years ago finds her, everything starts to change. Henry is now 10 years old and in desperate need of Emma's help. He believes that Emma actually comes from an alternate world and is the missing daughter of Snow White and Prince Charming. According to his book of fairytales, they sent her away to protect her from the Evil Queen's curse, which trapped the fairytale world forever, frozen in time, and brought them into our modern world. Of course Emma doesn't believe a word, but when she brings Henry back to Storybrooke, she finds herself drawn to this unusual boy and his strange New England town. Concerned for Henry, she decides to stay for a while, but she soon suspects that Storybrooke is more than it seems. It's a place where magic has been forgotten, but is still powerfully close... where fairytale characters are alive, even though they don't remember who they once were. Emma will have to accept her destiny and fight for everything that once was.