5x01 Emma & Hook #7

SEASON PREMIERE EMMA SWAN MADE THE ULTIMATE SACRAFICE BY BECOMING THE NEW DARK ONE, LEAVING THE RESIDENTS OF STORYBROOKE WITHOUT THEIR SAVIOR, NOW THE HEROES MUST BAND TOGETHER TO FIND A WAY TO SAVE EMMA, ON THE SEASON PREMIERE OF ABC'S "ONCE UPON A TIME" Amy Manson Guest Stars as Merida and Liam Garrigan Guest Stars as King Arthur "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, 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.