Once Upon a Time Season 5 "A Whole New Realm" Promo Released

This season, Once Upon A Time is taking viewers to a whole new realm and showing them a whole new vision of evil. ABC Television Network has released "A Whole New Realm" prom for Once Upon A Time.

At the end of Season 4, the benevolent Emma (Jennifer Morrison) sacrificed herself to save Storybrooke by allowing the Darkness to consume her. Now that she has become the Dark One, can she be saved from this black magic?

Check out the promo in the video below.

"The Dark Swan" – 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.

Check out the adventure-filled season five premiere of Once Upon a Time on Sunday, September 27 (8:00-9:00 p.m., ET) on the ABC Television Network.