Once upon a time - Promotional stills

ONCE UPON A TIME - "New York City Serenade" - After Rumplestiltskin sacrificed his life to stop Pan from enacting another curse, Regina obliterated her original curse, which erased Storybrooke from existence and whisked its residents back to Fairy Tale Land - leaving Emma and Henry back in our world with no memories of Storybrooke. But all is not well back in the Enchanted Forest when Hook comes calling on Emma in New York City in an attempt to jog her memory so that she can once again help her fairy tale family and friends out of a desperate situation, on the midseason return of "Once Upon a Time," SUNDAY, MARCH 9 (8:00-9:00 p.m., ET) on the ABC Television Network.

@OnceABC 6h

#WickedIsComing to Storybrooke. Get a glimpse at what's ahead in the first of a 3 panel exclusive. More to come... pic.twitter.com/ikYxVjHhVv

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.

ONCE UPON A TIME - "Quiet Minds" - Neal finds himself back in Storybrooke and yearns for a way to reconnect with his son Henry, whose memories of his father are gone, while also trying to find his own father, Rumplestiltskin, whom he has just learned is alive but missing, and Regina discovers a possible connection with Robin Hood. Meanwhile, in the Fairy Tale Land that was over the past year, agonizing over the death of his father, Neal - with the help of Belle and enchanted candelabra Lumiere - attempts to find a magical solution to bring back Rumplestiltskin from the dead, on "Once Upon a Time," SUNDAY, MARCH 30 (8:00-9:00 p.m., ET) on the ABC Television Network.

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.