VIDEO: Sneak Peek - 'The Outsider' Episode of ABC's ONCE UPON A TIME

Related: ONCE UPON A TIME, ABC, previews & teasers

In an all-new episode of the ABC drama Once Upon a Time entitled "The Outsider", Mr. Gold finds an unwilling test subject to see if a spell he has concocted will allow him to cross the border of Storybrooke - without losing his memory - and go in search of his son, Bae; Belle stumbles upon a vengeful Hook in the Storybrooke harbor whose main goal is to eradicate Rumplestiltskin; and Mary Margaret and David go house hunting in search of a bigger place to live. Meanwhile, in the fairytale land that was, Belle meets Mulan as the two set out to slay a fearsome beast called the Yaoguai, who has been ravaging the land. The episode airs Sunday, January 13th on ABC. Get a sneak peek below!

"Once Upon a Time" stars Ginnifer Goodwin as Snow White/Mary Margaret, Jennifer Morrison as Emma Swan, Lana Parrilla as Evil Queen/Regina, Josh Dallas as Prince Charming/David, Emilie de Ravin as Belle, Jared S. Gilmore as Henry Mills, Meghan Ory as Red Riding Hood/Ruby, and Robert Carlyle as Rumplestiltskin/Mr. Gold.

Guest starring are Raphael Sbarge as Archie Hopper/Jiminy Cricket, Lee Arenberg as Leroy/Grumpy, Tony Amendola as Marco, Keegan Connor Tracy as Mother Superior/Blue Fairy, Colin O'Donoghue as Hook, Beverley Elliott as Granny, JAMIE CHUNG as Mulan, David-Paul Grove as Doc, Faustino Di Bauda as Sleepy, Jeffrey Kaiser as Dopey, Michael Coleman as Happy, Mig Macario as Bashful, Julian Morris as Prince Phillip, Ethan Embry as outsider and Christopher Gauthier as Smee.

"The Outsider" was written by Andrew Chambliss & Ian Goldberg and directed by David Solomon.