<P> The first volume's plot revolved around the main characters traveling to Neverland from Storybrooke to retrieve a kidnapped Henry Mills from the possession of Peter Pan . After successfully retrieving Henry, the characters returned to Storybrooke, only to be returned to their original worlds following Pan's new Curse, leaving Emma Swan and Henry to escape to New York City . The second plot followed the characters' past journey in the Enchanted Forest and how they were brought back to Storybrooke by the Wicked Witch of the West, while also documenting Emma's mission to break the new Curse and save her family . New characters introduced in the season include the main antagonists of the two volumes: Peter Pan and the Wicked Witch of the West, in addition to Tinker Bell, Ariel, Prince Eric, Ursula, Medusa, Rapunzel, Lumiere, the Wizard of Oz, Glinda the Good Witch, the Good Witch of the North, the Witch of the East, Dorothy Gale, Blackbeard, and Elsa . </P> <P> The season premiere was watched by 8.52 million viewers, achieving an adult 18 - 49 rating / share of 2.6 / 7 . The mid-season finale received critical acclaim from critics with many praising the episode's ending, Mr. Gold's fate, and the flash - forward technique used . The spring premiere brought in the highest viewing figures since the season's second episode, earning the highest weekly viewership rank for the series since the second episode of the second season in October 2012 . The episode was met with positive reviews, with critics complimenting the unpredictable nature of the new story lines created by the writers and producers . The 2 - hour season finale was watched by 6.8 million viewers, with an adult rating / share of 2.3 / 7, becoming the least - viewed season finale yet, despite the improved ratings . On May 8, 2014, the series was renewed for a fourth season, which premiered in September 28, 2014 . </P> <P> After Henry is kidnapped, Emma, Regina, David, Mary Margaret, Mr. Gold, and Hook travels to Neverland to save him . New allies are made while in Neverland as the heroes attempt to defeat Peter Pan and the Lost Boys, who are trying to restore Neverland's magic with Henry's heart . As they attempt to work with one another as heroes and villains, secrets are revealed, including the identity of Mr. Gold's father, who is none other than Peter Pan . Their time in Neverland results in Peter Pan returning with them to Storybrooke, where he unleashes Regina's original curse with hopes to make Storybrooke the new Neverland . As the heroes and Peter Pan collide, a sacrifice is made, with everyone returning to the Enchanted Forest but Emma and Henry . However, a year later, everyone is returned to Storybrooke via another curse as the Wicked Witch of the West has plans of her own . Emma and Henry is brought back to Storybrooke to help break the latest curse to defeat the Wicked Witch of the West, which leads to a trip to the past with dire consequences . </P> <Ul> <Li> Ginnifer Goodwin as Snow White / Mary Margaret Blanchard </Li> <Li> Jennifer Morrison as Emma Swan </Li> <Li> Lana Parrilla as Evil Queen / Regina Mills </Li> <Li> Josh Dallas as Prince Charming / David Nolan </Li> <Li> Emilie de Ravin as Belle / Lacey </Li> <Li> Colin O'Donoghue as Captain Hook / Killian Jones </Li> <Li> Michael Raymond - James as Baelfire / Neal Cassidy </Li> <Li> Jared S. Gilmore as Henry Mills </Li> <Li> Robert Carlyle as Rumplestiltskin / Mr. Gold </Li> </Ul>

Once upon a time episodes with peter pan