Mary Margaret seriously puts Regina in her place during this Once Upon a Time scene. We couldn't have put it any better.
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Sorry, Regina. You have a dead battery. That set up kicks off this Once Upon a Time scene, which is courtesy of the episode "The Stranger," and which leads to an interesting dinner.
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No pressure, Emma, but, well, you're the only hope! Check out the official ABC preview here for the 4/29/12 episode of Once Upon a Time.
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Once Upon a Time Season 1 Episode 20 Quotes

Your life must be filled with such incredible loneliness that your only joy comes from destroying everyone elses happiness.

Mary Margaret

Now where exactly would we be going on this magical, mystery tour?

Emma