REGINA TRIES TO FORCE EMMA OUT OF STORYBROOKE, AND THE CHILLING CIRCUMSTANCES SURROUNDING HOW THE EVIL QUEEN RELEASED THE CURSE UPON THE FAIRYTALE WORLD IS REVEALED, ON ABC'S "ONCE UPON A TIME"

Kristin Bauer ("True Blood") Guest Stars as Maleficent

"The Thing You Love Most" - Regina does everything in her power to force Emma out of Storybrooke and out of her and Henry's lives forever. Meanwhile, the chilling circumstances of how the Evil Queen released the curse upon the fairytale world is revealed, on "Once Upon a Time," SUNDAY, OCTOBER 30 (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, Robert Carlyle as Rumplestiltskin/Mr. Gold, Lana Parrilla as Evil Queen/Regina, Jared Gilmore as Henry Mills, Josh Dallas as Prince Charming/John Doe and Raphael Sbarge as Jiminy Cricket/Archie Hopper.

Guest starring are Jamie Dornan as Sheriff Graham, Kristin Bauer as Maleficent, Meghan Ory as Ruby/Red Riding Hood, David-Paul Grove as Storybrooke doc, Tony Perez as valet, Giancarlo Esposito as Sidney/mirror, Beverley Elliott as Granny, Patti Allan as Ms. Ginger/blind witch, Layton Keely as gnome and C. Ernst Harth as burly man/scarred ogre.

"The Thing You Love Most" was written by Edward Kitsis & Adam Horowitz and directed by Greg Beeman.

"Once Upon a Time" is broadcast in 720 Progressive (720P), ABC's selected HDTV format with a 5.1 channel surround sound. A TV parental guideline will be assigned closer to the airdate.

For more information on "Once Upon a Time," visit ABC.com