Once Upon a Time Hot Shots: Gossip Girl's Sebastian Stan Goes Mad

Gossip Girl and Kings alum Sebastian Stan will be going a bit crazy as Once Upon a Time‘s Mad Hatter, and we’ve got a first look at his Storybrooke counterpart.

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When Emma goes searching for a missing Mary Margaret in the March 25 episode, she crosses paths with Stan’s character, a man who loves hats so much, he’s teetering on the edge of madness. In fact, he’s so nuts, he kidnaps the Sheriff! Is it August to the rescue?

As EP Steve Pearlman told TVLine, the Mad Hatter episode “is quite a big one for Emma. She comes into contact with a new character in Storybrooke who starts her onto a bit of a different journey” — to, where, the town milliner?

Check out the gallery below and then hit the comments with your thoughts.