Once Upon a Time Show Summary, Upcoming Episodes and TV Guide

Henry awakens to a cursed Storybrooke and discovers Emma has been in the mental hospital, and the Black Fairy is the new mayor. Henry attempts to help Emma regain her memory, while Gold tries to find out what has really happened to Belle.

In flashback, Snow and Charming make a special wish that Emma will be protected. The result of their wish has the whole kingdom bursting into song which infuriates the Evil Queen. Meanwhile in Storybrooke, the Black Fairy announces her plans to unleash another curse on the town while Emma and Hook prepare for their wedding.

Zelena decides to take on the Black Fairy and put a stop to her, once and for all, against Regina's wishes, and the Charmings disagree over Emma and Hook's wedding plans.

Gold and Belle convince Emma to help Gideon, explaining that together they can stop the Black Fairy. Henry experiences a disorienting shift in his powers that forces Regina to seek counsel from the previous Author. Meanwhile, in Fairy Tale Land, Hook attempts to win the assistance of an old adversary by betting his most prized possession on a game of cards. And, in a flashback, the Black Fairy tortures young Gideon in hopes of molding him into the perfect apprentice.

Believing there isn't room in Storybrooke for both her and Regina, the Evil Queen sets out to eliminate her other half. Hook, determined to make things work with Emma, turns to his old friend Captain Nemo for advice, but Gideon torpedoes the plan before he's able to set things right.

Before Hook takes the next step in his relationship with Emma, he wants to make sure David sees him as more than just a pirate. When David asks Hook to help him uncover the truth about his father's death, Hook agrees. Meanwhile, Regina works to acclimate Robin to life in Storybrooke, but soon discovers he has a dark side that makes the task much more complicated than she anticipated.

When she learns the heroes possess a weapon capable of defeating her, the Evil Queen steals Aladdin's magic lamp from Jasmine and makes a wish that could sideline the Savior forever. Unwilling to wake Snow while Emma is missing, David works with Hook and Henry to hold the Evil Queen at bay in Storybrooke.

Emma and Regina formulate a plan to trap the Evil Queen in a prison of their own making, while Snow and David adjust to life without each other. Meanwhile, Zelena agrees to help Belle, and together they enlist Aladdin to steal a magical object from Mr. Gold that could protect Belle and her unborn child from him forever.

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. Meanwhile, in the past, Hook finds himself kidnapped by the mysterious Captain Nemo and held captive aboard his submarine, the Nautilus.

The Evil Queen and Hyde continue on their quest to steal Dr. Jekyll's serum; Snow looks forward to her first day back as a school teacher; and while Emma looks forward to Hook moving in with her, Hook finds himself trying to protect Belle from Mr. Gold, who has made sure she can't leave the confines of the pirate ship.

When a mysterious man from the Land of Untold Stories arrives in Storybrooke, David and Snow work together with Regina to neutralize the threat. Belle seeks Hook's help finding a safe place to hide away from her husband, Mr. Gold. Elsewhere, the Evil Queen continues to try to win Zelena over to her side, while Emma resumes her therapy sessions with Archie and shares her terrifying vision of the future.

Henry manages to destroy magic, trapping half of his family in the Land of Untold Stories.To restore the magic, he must convince the people of New York to believe in magic. Meanwhile, Regina faces her darker self, while Gold makes a deal with the mysterious Warden.

The heroes return to Storybrooke but discovers that Hades has plans of his own to conquer the town. In the Underworld, Hook finds a new ally and together they set out to find the Storybook pages that show Hades' weakness.

Regina realizes that Zelena plans to try and reform Hades, and turns to Cora for help when she refuses to accept that her sister can turn the villain from evil. Meanwhile, James abducts David and takes his place. In the past, Regina and Zelena are briefly united as sisters but tragedy ensues.

In the Underworld, Hades convinces Gaston to hunt down the Beast that killed him--Gold. While Belle tries to find an alternative, Hades offers her a deal of her own. In the past, the circumstances behind Gaston and Belle meeting for the first time are explored.

In the Underworld, Hook is reunited with his older brother Liam. Liam offers to help the group find the Storybook and the pages containing Hades' weakness... and then makes a deal with the Lord of the Underworld. In the past, Liam leads a mutiny against Captain Silver, and makes a deal with Hades to ensure his success.

In the present, Hook helps his cellmate to escape so that she can tell his rescuers where he is. Mary Margaret meets an old friend, and must give him the courage that he once gave her. In the past, a young Snow faces her first challenge when bandits threaten her people.

The Dark Ones bind themselves to the living so that they can remain in the real world... and the townspeople will be taken to the Underworld in their place. Emma tries desperately to find a way to stop the Dark Ones' plan, but the others accept the inevitably and spend their last moments together. In the past, Regina tests Hook by leading him to his father and offering him transportation to the real world once Hook proves that he has no weaknesses for Cora to exploit.

Arthur convinces Zelena to help him seek out a magical helm that will let him compel his men to find Merlin and Emma. However, they soon cross paths with Merida, who is seeking the helm because her father Fergus bargained with the witch to obtain it. Together with two new friends--Ruby and Mulan--Merida races to find the helm and the man who killed her father.

Six weeks earlier, Emma and Merlin quest for the Flame which can reunite the two parts of Excalibur. Meanwhile, Regina and the others sneak into Camelot to recover the two pieces. However, things go horribly awry. In the distant past, the origin of Merlin's powers and the first Dark One are revealed.

Emma discovers how Merlin was imprisoned in a tree, and must take drastic steps to acquire the one necessary ingredient... steps that will lead her into darkness. Meanwhile, in the current Storybrooke, the townspeople decide to have a block party to lift everyone's hopes. Henry turns to Emma for help find Violet's missing horse, and Regina and the others learn that Emma has Excalibur.

Arthur turns to David for help when he discovers that someone has stolen a magic bean from the Reliquary, and they turn to Belle for help. Meanwhile, Emma invites Hook to have lunch with her as part of her plan to free Excalibur from the Stone. In Camelot, David and Arthur quest for a toadstool that may provide the key to freeing Merlin.

The people of Storybrooke are forced to turn to Zelena for help when they realize that Emma has disappeared from the real world. Meanwhile, Emma tries to fight the temptations of the Darkness and meets a possible ally.

In Part 1 of the two-part fourth-season finale, the Author aligns with Gold and no one can stop them as they turn the tables on both the heroes and the villains. Henry then realizes he has the daunting task of helping his family and restoring the balance of good and evil.

Emma's potential for darkness is looming over everyone, but when Emma realizes Maleficent's daughter Lily is in fact her closest friend from her foster care days, she resolves to find Lily and reunite her with her mother. Regina joins forces with Emma and together they set out to track down Lily and to warn Robin about Zelena. However, neither of them is prepared for the harsh realities they'll encounter in the outside world. Meanwhile, in Storybrooke, Gold faces a crisis involving Belle. In a foster care flashback, things are looking up for young Emma with her new family until Lily's appearance threatens to destabilize everything.

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 he accepts a proposition by Rumpelstiltskin to travel to Oz to steal a valuable magic elixir from the Wicked Witch.

Hook leverages his complicated history with Ursula to find out what she knows about Gold's endgame. Gold and the Queens of Darkness torture August for information about the Author as Emma, Mary Margaret and David race to find them. Regina grows concerned for Robin Hood's safety while she struggles to maintain her cover with the villains. In a Fairy Tale Land flashback, when a restless young Ursula enlists Hook's help to run away from home, she soon learns it isn't wise to trust a pirate.

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.

In the aftermath of the Snow Queen's spell, our heroes try to pick up the pieces and Regina has to make a difficult choice. Hook's fate hangs in the balance as Gold's quest for power threatens everything he holds dear. And, in the Enchanted Forest flashback, an intrusion during Belle's stay at Rumplestiltskin's dark castle will wreak havoc in both the past and the future.

As the Spell of Shattered Sight approaches Storybrooke, Mary Margaret and David rally the residents to prepare for the curse while Belle and the fairies work together on an antidote. Gold, with Hook as his reluctant servant, sets about an exit strategy of his own. Regina and Robin Hood ready themselves for the worst while, with the help of a locator spell, Emma and Elsa search desperately for Anna. In Arendelle, Anna and Kristoff awaken to find that their kingdom is once again in danger.