REGINA FACES-OFF AGAINST THE EVIL QUEEN, AS HOOK'S AND EMMA'S ENGAGEMENT IS TESTED, ON ABC'S 'ONCE UPON A TIME'

Sean Maguire Guest Stars as Robin of Locksley

Rose McIver Returns as Tinker Bell

"Page 23" - Believing there isn't room in Storybrooke for both her and Regina, the Evil Queen sets out to eliminate her other half using Robin to bait the trap. Hook, determined to make things work with Emma, turns to his old friend Capt. Nemo for advice, but Gideon torpedoes his plan before he's able to set things right. In a flashback to the Enchanted Forest, the Evil Queen learns a surprising lesson about the true source of her misery, on "Once Upon a Time," SUNDAY, MARCH 26 (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 Rose McIver as Tinker Bell, Sean Maguire as Robin of Locksley, Tony Perez as the Valet, Giles Matthey as Gideon, Faran Tahir as Captain Nemo, Edward Foy as Lead Knight and Hesham Hammoud as Crewman.

"Page 23" was written by David H. Goodman & Brigitte Hales and directed by Kate Woods.

"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.