THE EVIL QUEEN DOES EVERYTHING SHE CAN TO GET HER HANDS ON DR. JEKYLL'S SERUM; SNOW STARTS HER FIRST DAY BACK AS A SCHOOL TEACHER; AND HOOK TRIES TO PROTECT BELLE FROM MR. GOLD, ON ABC'S 'ONCE UPON A TIME'

"Strange Case" - The Evil Queen and Hyde continue on their quest to steal Dr. Jekyll's serum; Snow looks forward to her first day back as a school teacher; and while Emma looks forward to Hook moving in with her, Hook finds himself trying to protect Belle from Mr. Gold, who has made sure she can't leave the confines of the pirate ship. Meanwhile, back in the past, Rumplestiltskin helps Dr. Jekyll complete his serum to separate a man's personality into two - good and evil - but his help comes with a hefty price, on "Once Upon a Time," SUNDAY, OCTOBER 16 (8:00-9:00 p.m. EDT), 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, Rebecca Mader as the Wicked Witch/Zelena and Robert Carlyle as Rumplestiltskin/Mr. Gold.

Guest starring are Lee Arenberg as Leroy/Grumpy, Sam Witwer as Mister Hyde, Hank Harris as Doctor Jekyll, Karen David as Shirin, David Avalon as Doc, Olivia Steele Falconer as Violet, Jonny Coyne as Dr. Lydgate, Jordyn Ashley Olson as The Oracle, Elizabeth Blackmore as Mary and Reilly Jacob as Tom Sawyer.

"Strange Case" was written by David H. Goodman & Nelson Soler and directed by Alrick Riley.

"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.