Season 1 Episode 17 episode 17

'Once Upon a Time' Episode 17 “Hat Trick” Sneak Peek 1

'Once Upon a Time' Episode 17 “Hat Trick” Sneak Peek 1

Take a look at this sneak peek from Once Upon a Time, episode 17 “Hat Trick”, debuting Sebastian Stan as a mysterious character in Storybrooke that kidnaps Emma and claims to be "The Mad Hatter" from Alice in Wonderland.