Sebastian Stan guest stars in the 17th episode of Once Upon a Time! Read the official episode guide description for the upcoming Once Upon a Time episode “Hat Trick.”

A new land is brought to our attention, the realm of Wonderland. New characters introduced include the Mad Hatter (Jefferson), Grace (Paige), the Caterpillar, Knave of Hearts and the Queen of Hearts.

Once Upon a Time Episode Guide
Once Upon a Time “Hat Trick” Summary / Synopsis

While searching for a missing Mary Margaret, Emma Swan 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.

sebastian stan

Sebastian Stan was also on Gossip Girl.

once upon a time

A familiar white rabbit.

How does the Hatter kidnap Emma?

once upon a time sebastian stan

They look pretty chummy here.

sebastian stan once upon a time

Written by Vladimir Cvetko and David Goodman.
Directed by Ralph Hemecker.

ABC Television Network