What can we expect from OUAT's take on this character? We've gathered all of the biggest hints and spoilers about the episode right here, so you can prepare for Sunday's action.
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The Official Synopsis
We'll start with the official synopsis of the episode, which sheds a little light on where the story is headed.
Back in the Fairy Tale Land that was, when Ariel (JoAnna Garcia Swisher) saves Snow White from drowning in the ocean's depths, Snow returns the favor by helping her new friend get acquainted with Prince Eric, with whom she has fallen madly in love with. Meanwhile, Emma, Mary Margaret, David and Hook attempt to save Neal, who is imprisoned in one of Pan's encampments, and Regina and Mr. Gold begrudgingly team up to find a way to take down Pan.
Hmm. Interesting that Gold is teaming up with Regina which suggests he's not the one in the crate next to Neal…
Why Does Snow Need Saving?
In a sneak peek that you can watch here, we learn that Ariel saves Snow after she jumps into the ocean to escape Regina's men.
Regina Is Ursula!
In a classic Once Upon a Time twist, it turns out Regina is the famous villain from Ariel's story, and we can get a sneak peek of that below.