Board Thread:Spoilers!/@comment-1916997-20150313202428/@comment-25733960-20150420001601

BRACE YOURSELVES!!!!

Season 5 big bad will be revealed in this episode and is "is going to be really bad. It’s the unimaginable. It’s the worst thing that could possibly happen."

Besides, The Queens of Darkness will be in this episode as well

http://spinoff.comicbookresources.com/2015/04/19/once-upon-a-times-prince-charming-crosses-the-good-to-evil-line-teases-new-big-bad/