THE SNOW QUEEN'S SPELL OF SHATTERED SIGHT HAS DESCENDED UPON THE TOWN, CAN EMMA AND ELSA DESTROY THE CURSE BEFORE STORYBROOKE DESTROYS ITSELF?, ON ABC'S "ONCE UPON A TIME"

Elizabeth Mitchell ("Lost") Guest Stars as the Snow Queen

"Shattered Sight" - Storybrooke is in a state of chaos with all the residents under the Snow Queen's Spell of Shattered Sight at each other's throats. Emma and Elsa race against the clock to free themselves of the ribbons and take down the Snow Queen and her curse. David can only watch when Regina clashes with Mary Margaret in an epic battle. Meanwhile, Gold gathers Belle and Henry as he prepares to leave town forever, and Will Scarlet looks to square his tab with Hook. Kristoff's thick-headedness leads Anna to a heartwarming discovery, on "Once Upon a Time," SUNDAY, DECEMBER 7 (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 Nolan, Emilie de Ravin as Belle, Colin O'Donoghue as Hook, Jared S. Gilmore as Henry, Michael Socha as Will Scarlet and Robert Carlyle as Rumplestiltskin/Mr. Gold.

Guest stars include Lee Arenberg as Leroy/Grumpy, Beverley Elliott as Granny, Georgina Haig as Elsa, Elizabeth Lail as Anna, Scott Michael Foster as Kristoff, David-Paul Grove as Doc, Gabe Khouth as Mr. Clark/Sneezy, Faustino Di Bauda as Walter/Sleepy, Jeffrey Kaiser as Dopey, Michael Coleman as Happy, Mig Macario as Bashful, Rebecca Wisocky as Madame Faustina, Ilias Webb as Kevin, Abby Ross as Young Emma and Elizabeth Mitchell as the Snow Queen.