EMMA IMPLORES ALADDIN TO RECONNECT WITH JASMINE AND DISCOVER WHAT HAPPENED TO AGRABAH, AND, IN THE PAST, HOOK FINDS HIMSELF KIDNAPPED BY THE MYSTERIOUS CAPTAIN NEMO, ON ABC'S 'ONCE UPON A TIME'

"Dark Waters" - Emma tries to convince Aladdin to work with Jasmine to help Agrabah, while Regina teams up with Snow and David to free Archie from Zelena. The Evil Queen sows suspicion between Henry and Hook, even as Mr. Gold reminds her of his most important lesson. Meanwhile, in the past, Hook finds himself kidnapped by the mysterious Captain Nemo and held captive inside his legendary submarine, the Nautilus, on "Once Upon a Time," SUNDAY, OCTOBER 30 (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 Raphael Sbarge as Dr. Archie Hopper/Jiminy Cricket, Karen David as Princess Jasmine, Deniz Akdeniz as Aladdin, David Avalon as Doc, Faran Tahir as Captain Nemo, Nick Eversman as First Mate and Corey Schmitt as Second Mate.

"Dark Waters" was written by Andrew Chambliss & Brigitte Hales and directed by Robert Duncan.

"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.