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Once Upon a Time Sneak Peeks: Welcome to the Wicked West

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Welcome to the Wicked West, Once Upon a Time Fanatics.

On Once Upon a Time Season 3 Episode 16, Zelena will first shock Regina with the pair's unexpected familial relationship... and then she'll challenge the Evil Queen to a duel in the street.

If Regina refuses? Zelena has a certain (dark) card up her sleeve that she threatens to unleash on all of Storybrooke.

Watch a pair of clips from the upcoming installment now and prepare for one serious sisterly showdown:

Elsewhere during the episode - back in the past in the land of Oz - a jealous Zelena asks the Wizard to send her to Fairy Tale Land after discovering the truth about Regina ... and also after learning that Rumplestiltskin is training her to become a powerful enemy.

Watch Once Upon a Time online if you need a refresher and click through photos here from "It's Not Easy Being Green."

Saying Their Last Goodbye
All of Storybrooke comes out to say their last goodbyes to Neal on Once Upon a Time.

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.

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