Once Upon a Time went mad this week, taking viewers down the Alice in Wonderland rabbit hole. Next Sunday night?
It will answer one of your most pressing questions: Why does the Evil Queen hate Snow White with such vitriol?
Expect to learn a lot more about this villainous character on "The Stable Boy" when Barbara Hershey guest stars as Regina's mother and we see the choice her daughter was faced with, the dilemma that made her into the vindictive woman she is today.
Elsewhere: Emma will continue to search for evidence that gets Mary Margaret off the murderous hook. Check out the official ABC trailer now:
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