RUBY ENLISTS OUR HEROES HELP TO FIND DOROTHY, ON ABC'S "ONCE UPON A TIME"

Meghan Ory Guest Stars as Ruby/Red, Jamie Chung as Mulan, Teri Reeves as Dorothy, Victoria Smurfit as Cruella De Vil and Greg Germann as Hades

"Ruby Slippers" - In flashbacks, Ruby and Mulan find themselves in Oz, where they meet Dorothy. After the three witness Zelena's return to Oz, they look for a way to defeat her once and for all. However, Dorothy mysteriously disappears, and Ruby's search for her new friend lands her in the Underworld. Reunited with the heroes, Ruby teams up with Emma, Regina and Snow to continue looking for Dorothy. Meanwhile, Snow and David struggle with not being able to be with their son, Neal, and devise a plan so that one of them can escape the Underworld, on "Once Upon a Time," SUNDAY, APRIL 17 (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, Sean Maguire as Robin Hood, Rebecca Mader as the Wicked Witch/Zelena and Robert Carlyle as Rumplestiltskin/Mr. Gold.

Guest stars include Meghan Ory as Ruby/Red, Jamie Chung as Mulan, Victoria Smurfit as Cruella De Vil, Teri Reeves as Dorothy, Emma Caulfield as the Blind Witch, Paul Lazenby as Claude, Gina Stockdale as Auntie Em and Greg Germann as Hades.