Once Upon a Time is back on Sunday with an all new episode, 4×19 ‘Lily’ and some promotional pictures have been released, check them out below!

TRAILER

Plot summary – 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. Original airdate 26/04/2015.

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Photos Courtesy of ABC.