The promotional images for the upcoming Once Upon a Time episode ‘Hat Trick,’ featuring Sebastian Stan, have been released!

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Sebastian Stan will be guest starring as the Mad Hatter in this Alice in Wonderland episode. And we assume the little girl who’s with him at the market is Alice. Crazy theory time: could the Mat Hatter be Rumpelstiltskin’s grown-up son?!

The images were released on SpoilerTV.

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