Hat Trick

"Hat Trick" is the 17th episode of Once Upon a Time.

Summary
While searching for a missing Mary Margaret, Emma is kidnapped by a man whose affinity for hats has him teetering on the edge of madness. Meanwhile, viewers will be transported outside of the fairytale land that was for the first time when the Evil Queen persuades a skillful man of magic to come work for her one last time and travel to Wonderland in order to help steal something from the Queen of Hearts.

Trivia

 * Although credited, Josh Dallas (David Nolan/Prince Charming), Eion Bailey (August W. Booth) and Raphael Sbarge (Archie Hopper/Jiminy Cricket) are absent from this episode. However, Bailey was featured in promotional stills, so his scenes were probably cut.