Once Upon a Time “Dark Swan” season 5 premiere lands tonight, prepare yourself

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Tonight is the night that millions of Oncers have been waiting for, the season five premiere of “Once Upon a Time” and the introduction of Dark Swan.

We have a few guest-stars worth mentioning tonight as well, Amy Manson will be joining the season as Merida and Liam Garrigan is set to guest-star as King Arthur. The “Dark Swan” was written by Edward Kitsis and Adam Horowitz, and directed by Ron Underwood.

Called “The Dark Swan” tonight’s episode picks up immediately after Emma becomes the Dark One and disappears. Our favorite heroes must band together to save her, but first they have to find her, which will require the help of an “unlikely ally” according to ABC.

Meanwhile, in the Enchanted Forest, Emma will be struggling 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, in the adventure-filled season five premiere of “Once Upon a Time,” SUNDAY, SEPTEMBER 27 (8:00-9:00 p.m., ET) on the ABC Television Network.

“Once Upon a Time” stars Ginnifer Goodwin as Snow White/Mary Margaret, Jennifer Morrison as Emma Swan, Lana Parrilla as the Evil Queen/Regina, Josh Dallas as Prince Charming/David, Emilie de Ravin as Belle, Colin O’Donoghue as Hook, Jared S. Gilmore as Henry Mills, Sean Maguire as Robin Hood, Rebecca Mader as the Wicked Witch/Zelena and Robert Carlyle as Rumplestiltskin/Mr. Gold.

Guest stars include Lee Arenberg as Leroy/Grumpy, Beverley Elliott as Granny, Amy Manson as Merida, Keegan Connor Tracy as the Blue Fairy/Mother Superior, David-Paul Grove as Doc, Gabe Khouth as Sneezy, Faustino Di Bauda as Sleepy, Jeffrey Kaiser as Dopey, Michael Coleman as Happy, Mig Macario as Bashful, Sinqua Walls as Lancelot, Raphael Alejandro as Roland, Timothy Webber as the Apprentice, Ingrid Torrance as Severe Nurse, Liam Garrigan as King Arthur, Andrew Jenkins as Sir Percival, Lee Majdoub as Sir Kay, Brent Stait as the Peddler, Elliot Knight as the Usher and Mckenna Grace as Young Emma.