As "Once Upon a Time" season 3 drives toward the finale, spoilers on the final batch of episodes have surfaced.

“We’re going to go back and find out who cast this curse, so that’s going to be great. You’re going to know who cast the curse, you’re going to know why we’re all back and why none of us remember that missing that year," said Josh Dallas at WonderCon regarding episode 19.

"Once Upon a Time" season 3 episode 19 will air on April 27, and spoilers confirm that a major decision will be made.

“There’s going to be a decision made back in Fairy Tale Land, between Regina, Snow and Charming, that’s going to affect everyone.”

In addition, it seems that spoilers are alluding to the idea that Zelena is not the one who uncorked the curse.

“Any minute now, Glinda (played by Sunny Mabrey) and Dorothy are coming, so that was really fun,” teased Rebecca Mader on episode 20.

Knowing that "Once Upon a Time" will venture into Oz, could Glinda be the one behind everything that's happening at Fairy Tale Land.

And finally, the "Once Upon a Time" season 3 finale is said to feature a wedding. But who will the couple be? Rumple and Belle, Emma and Hook, Regina and Robin Hood?