Only one episode remains before the Once Upon a Time Season 2 finale.

And following an installment that concluded with the kidnapping of Regina, what can fans expect from next Sunday's "Second Star to the Right?"

Greg Mendell, Tamara and Captain Hook will try to suppress this queen's magic because it's "unholy," Tamara says in the following preview, while Greg makes it even more clear: We're here to destroy it.

Elsewhere... it's off to Neverland! Watch the intriguing teaser now and prepare to head to yet another world on May 5:

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