Once Upon a Time

Sundays 8:00 PM on ABC
Once upon a time
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Once Upon a Time Sneak Peek: What's That Noise?

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Is that Mary Margaret and Regina actually having a... moment?

These two Once Upon a Time characters are usually more enemies than allies and even when they do have to work together, trust is rarely part of the equation.

However, on Once Upon A Time Season 3 Episode 18 Sunday, it seems battling Wicked Witch Zelena as a team has the two women coming to an impasse about, of all things, the death of Cora, Regina's mother.

But since this is Once Upon A Time, quiet moments don't stay quiet for long - and soon the Evil Queen and Snow White are disrupted by a noise coming from inside the house.

What could it be? Better yet, who could it be? Let's take a look....

Once Upon A Time airs Sundays at 8/7c on ABC.

(NOTE: Our own Jim Halterman is moderating the OUAT panel this Saturday at WonderCon with cast members Josh Dallas and Rebecca Mader, as well as creators Edward Kitsis and Adam Horowitz.)

Jim Halterman is the West Coast Editor of TV Fanatic and the owner of JimHalterman.com. Follow him on Twitter.

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Once Upon a Time Season 3 Episode 18 Quotes

Right now I need something to defeat the woman who's puppet mastering your boyfriend.

Regina

Zelena: Red apples are so sickly sweet don't you think. People tend to like something sharper.
Regina: And green apples are just bitter.