ONCE UPON A TIME - "Heart of Gold" - Emma is still reeling after learning the truth of her parents' history with Maleficent, but she must focus on finding the Author, who is running loose in Storybrooke, before Gold does. When Gold's quest for his happy ending grows more urgent, he blackmails Regina into helping him. In a Fairy Tale Land flashback, Robin Hood learns what it means to be an honorable thief when heaccepts a proposition by Rumpelstiltskin to travel to Oz to steal a valuable magic elixir from the Wicked Witch, on "Once Upon a Time," SUNDAY, APRIL 12 (8:00-9:00 p.m., ET) on the ABC Television Network. (ABC/Jack Rowand) PATRICK FISCHLER

ONCE UPON A TIME - "Best Laid Plans" - Hook tells Emma that her fate is at stake in Gold's plan while Regina leads the villains on a wild goose chase. Henry makes a breakthrough in his search to find the Author, but Mary Margaret and David need a moment to reconsider the best course of action. In a Fairy Tale Land flashback, Snow and Charming search for a way to ensure their child will grow-up to be a hero. When a travelling peddler directs them to visit a kindly old hermit, Snow and Charming are presented with a choice that could secure their child's goodness, but at a price that will haunt them for years to come on "Once Upon a Time," SUNDAY, MARCH 29 (8:00-9:00 p.m., ET) on the ABC Television Network. (ABC/Jack Rowand) LANA PARRILLA, JARED S. GILMORE, JENNIFER MORRISON

ONCE UPON A TIME - "Enter the Dragon" - In order to infiltrate the Queens of Darkness as a spy for the heroes, Regina must prove she's still willing to get her hands dirty. Meanwhile, Emma, David and Mary Margaret scramble to keep tabs on their undercover operative. Hook requests an unusual favor from Belle as Henry makes progress on his search for the Author. In a Fairy Tale Land flashback, Regina befriends Maleficent and helps her to rekindle her lost spark, on "Once Upon a Time," SUNDAY, MARCH 15 (8:00-9:00 p.m., ET) on the ABC Television Network. (ABC/Jack Rowand) MICHAEL SOCHA, EMILIE DE RAVIN

ONCE UPON A TIME - "Unforgiven" - David and Mary Margaret suspect Cruella and Ursula have come to Storybrooke looking for something more than their own happy endings - something that threatens to reveal a secret they thought was long buried. Emma begins her own investigation of Cruella and Ursula, but she can't shake the feeling that her friends and family are keeping something from her. Regina and Henry continue their search for the Author, turning to Pinocchio and Marco in the hope Pinocchio might remember a clue that will help them. Meanwhile, in a flashback to Fairy Tale Land, Snow and Charming cross paths with the Queens of Darkness as the threat of the Evil Queen's Dark Curse hangs over all of them on "Once Upon a Time," SUNDAY, MARCH 8 (8:00-9:00 p.m., ET) on the ABC Television Network. (ABC/Jack Rowand) TONY AMENDOLA, JAKOB DAVIES

ONCE UPON A TIME - "The Snow Queen" - Emma captures the Snow Queen and interrogates her at the sheriff's station. But the Snow Queen uses her prior knowledge of Emma to try to persuade her into thinking that they are more alike than she could possibly imagine. Regina and Robin Hood's relationship grows increasingly complex as they struggle to find a way to save his dying wife, Emma begins to see what she missed out on by not growing up and being a family with Snow and Charming when she sees how involved Mary Margaret is in baby Neal's life, and Henry begins his after school job in Gold's shop while trying to help Regina find a clue to the identity of the author of the storybook. Meanwhile, in Arendelle of the past, we learn about the origin of the Snow Queen and her familial connection to Elsa and Anna as we see her discover her spectacular yet deadly ice powers, on "Once Upon a Time," SUNDAY, NOVEMBER 9 (8:00-9:00 p.m., ET) on the ABC Television Network. (ABC/Jack Rowand) LANA PARRILLA

ONCE UPON A TIME - "Rocky Road" - When an icy spell is cast on Marian, which will ultimately freeze her heart and kill her, the Storybrooke residents place the blame on Elsa. But unbeknownst to anyone, a mysterious woman who runs the town's ice cream parlor has the same powers as Elsa and is trying to frame her. Emma and David find former Merry Men member Will Scarlet rummaging through Robin Hood's tent, Regina teams up with Henry to try and discover who the author of the fairy tale book is, Mary Margaret is having trouble balancing her duties as leader of Storybrooke and mother to young Prince Neal, and Hook begins to suspect that Mr. Gold is still in control of the dagger that calls upon him to be the Dark One. Meanwhile, in Arendelle of the past, Elsa and Kristoff set off to stop Hans from attempting to take control of the kingdom, on "Once Upon a Time," SUNDAY, OCTOBER 12 (8:00-9:00 p.m., ET) on the ABC Television Network. (ABC/Jack Rowand) JOSH DALLAS, RAPHAEL SBARGE, GINNIFER GOODWIN, RAPHAEL ALEJANDRO, CHRISTIE LAING, SEAN MAGUIRE, LEE ARENBERG

ONCE UPON A TIME - "It's Not Easy Being Green" - With Rumplestiltskin as her slave, Zelena challenges Regina to a fight to the death and shocks the Evil queen with the reveal of their familial connection, and the town lays Neal to rest. Meanwhile, back in the past in the land of Oz, a jealous Zelena asks the Wizard to send her to Fairy Tale Land after discovering that she has a sister, Regina, and that Rumplestiltskin is training her to become a powerful force to be reckoned with, on "Once Upon a Time," SUNDAY, APRIL 6 (8:00-9:00 p.m., ET) on the ABC Television Network. (ABC/Jack Rowand)ROBERT CARLYLE, REBECCA MADER

ONCE UPON A TIME - "Witch Hunt" - Emma arrives in Storybrooke with Henry and reunites with her friends and family, only to discover that no one remembers how they were transported back - or the past year they had spent back in Fairy Tale Land. But Emma is sure that someone in town is responsible for this new curse and teams up with Regina in an attempt to uncover their identity. Meanwhile, in the Fairy Tale Land that was during the past year, Regina, with the aid of Robin Hood, attempts to break into her castle, which has been overtaken by the Wicked Witch, on "Once Upon a Time," SUNDAY, MARCH 16 (8:00-9:00 p.m., ET) on the ABC Television Network. (ABC/Jack Rowand)MICHAEL P. NORTHEY, EMILIE DE RAVIN, SEAN MAGUIRE, JASON BURKART

ONCE UPON A TIME - "The New Neverland" - The residents of Storybrooke are overjoyed upon the return of Henry and our heroes from Neverland. But unbeknownst to them, a plan is secretly being put into place by a well-hidden Pan that will shake up the very lives of the townspeople. Meanwhile, in the Fairy Tale Land that was, Snow White and Prince Charming's honeymoon turns out to be anything but romantic when they go in search of a mythical being that could stop Regina cold in her tracks, on "Once Upon a Time," SUNDAY, DECEMBER 8 (8:00-9:00 p.m., ET) on the ABC Television Network. (ABC/Jack Rowand)JOANNA GARCIA SWISHER

ONCE UPON A TIME - "Dark Hollow" - Mr. Gold and Regina send Ariel back to Storybrooke with an item that will allow Belle to locate a hidden artifact that could help take down Pan. But unbeknownst to them, two men have broken into the town with the intent to stop them - at all costs. Meanwhile, Emma, Neal and Hook attempt to find Dark Hollow, where Peter Pan's shadow dwells, in order to capture it, and Mary Margaret is upset with David for keeping his poisoning a secret from her, on "Once Upon a Time," SUNDAY, NOVEMBER 10 (8:00-9:00 p.m., ET) on the ABC Television Network. (ABC/Jack Rowand)EMILIE DE RAVIN

ONCE UPON A TIME - "Good Form" - With the deadly Dreamshade coursing through David's body and close to death, Hook takes him on one last journey to find a sextant that could help them decipher a map that would lead them off Neverland. Meanwhile, in the Fairy Tale Land that was, Killian Jones - aka Hook - and his brother, Captain Liam, sail off under orders of the King to find a powerful indigenous plant on an uncharted land that could help heal any injury, on "Once Upon a Time," SUNDAY, OCTOBER 27 (8:00-9:00 p.m., ET) on the ABC Television Network. (ABC/Jack Rowand)JOSH DALLAS, GINNIFER GOODWIN

CORPORATE - On Saturday, July 20, the cast and executive producers of "Once Upon a Time" and "Once Upon a Time in Wonderland" appeared at Comic-Con 2013 in anticipation of their premiere this Fall on Sunday, September 29 at 8:00 p.m. ET/PT and Thursday, October 10 at 8:00 p.m. ET/PT (respectively), on ABC Television Network. (ABC/Rick Rowell)COLIN O'DONOGHUE

ONCE UPON A TIME - "Lacey" - Mr. Gold enlists the aid of David to help him try to jog Belle's now cursed memories and get her to love him again; and when it is revealed that the magic beans Anton (Jorge Garcia, "Lost") and the dwarves have been harvesting have begun to grow and could possibly transport everybody home, Emma is torn over whether she would want to live in fairytale land or stay in our world. Meanwhile, in the fairytale land that was, Rumplestiltskin forces Belle to accompany him on a hunt to kill a thief, whom she had freed in the name of mercy, on "Once Upon a Time," SUNDAY, APRIL 21 (8:00-9:00 p.m., ET) on the ABC Television Network. (ABC/Jack Rowand)NICOLAS CARELLA, ROBERT CARYLE