Once Upon a Time

Immediately after becoming the Dark One, Emma disappears and the heroes must band together to save her, but first they have to find her, which will require the help of an unlikely ally.

In an effort to protect Emma, Regina steps up in a surprising way. Back in Storybrooke, Hook deploys a tried-and-true technique in hopes of bringing Emma back to the light.

In Camelot, the heroes feverishly work to free Merlin. Back in Storybrooke, Arthur seeks David’s help to catch a thief who threatens the safety of the citizens of Camelot.

After receiving a cryptic warning from Lancelot about Arthur's intentions, Mary Margaret realizes Arthur may be the heroes' biggest threat.

Emma and Regina figure out the critical ingredient they must acquire to free Merlin, but it’s a race against Arthur, who does not want Merlin released.

Unwilling to leave anything up to fate, Merida brings Belle along on a dangerous journey that culminates with an invaluable lesson in bravery.

Merlin brings Emma along on a journey to confront his ancient nemesis and retrieve the sacred spark he'll need to reforge Excalibur.

Emma and our heroes face off against Arthur, Merlin and Zelena in an epic battle of magic and will. Emma is forced to make a gut-wrenching choice that no one saw coming.

Zelena and Arthur journey to DunBroch. Their path will cross with Merida's, who is on a journey to pay a debt that her father, King Fergus, owed to the Witch when he died.

Events in Camelot catch up to the present, resulting in a charged confrontation between the forces of light and dark.

The dark siege of Storybrooke is underway as all of the resurrected Dark Ones target a living soul for sacrifice so that they can return to the realm of the living.

The heroes arrive in the underworld, on a mission to rescue Hook. In an Enchanted Forest flashback, a familiar face returns to present Regina with the perfect birthday gift.

An escapee from Hades' prison informs the heroes that Hook is being held captive, but to rescue Hook they must face a terrifying beast that guards the prison.

Gold is eager to help Emma, Snow, David, Regina, Robin, and Henry find Hook so he can return home to Belle.

Hook and Emma must defeat Hades in order to return to Storybrooke. A surprise visit from Hook's departed brother Liam just might provide the lead they were looking for.

Gold creates a portal which transports Belle, Zelena, and Baby Hood to the Underworld. Belle is reunited with Rumple only to learn shocking news that will change her life forever.

Belle turns to Rumplestiltskin to find a way to protect their child from Hades. Hades meets with Gaston in the Underworld and encourages him to seek revenge on Rumplestiltskin.

Ruby and Mulan find themselves in Oz. Dorothy mysteriously disappears, and Ruby's search for her new friend lands her in the Underworld.

Regina enlists Cora's help to find a way to separate Zelena from Hades. However, Cora reveals a family secret that could change Regina and Zelena's lives forever.

Hades turns to the heroes to ask for help with getting Zelena back from Rumplestiltskin and Peter Pan. In return, he offers to take all their names off their tombstones.

Emma, David, Regina, Robin and Henry return to Storybrooke and reunite with Snow, but still have to contend with Hades.

Regina reels from the death of Robin Hood. Henry decides he no longer can stand all the pain magic has caused his family, so he goes rogue.

Emma and Regina race to track down Henry before Gold can find him. Snow, David, Hook, and Zelena are imprisoned.