Credit: © 2013 Disney

Having gone to Neverland and Oz in Season 3 of Once Upon a Time, the biggest question we had going into tonight’s finale was where we might be headed in Season 4. Most of the epic finale took place in the Enchanted Forest of the past, with Emma (Jennifer Morrison) and Hook (Colin O’Donoghue), but in the last few seconds we got hints of what happens next.

If you have not watched the Season 3 finale of Once Upon a Time, turn back now!

As everyone was either celebrating at Granny’s Diner or making out underneath the stars (ahem, Hook and Emma), we went back to the barn where Zelena’s time portal now laid dormant. Regina (Lana Parrilla) had already warned that she hoped our time traveling pals hadn’t brought anything back with them — you know, besides Marian — and it looks like her fears are definitely valid.

Just before the episode ended, a mysterious blue substance started leaking from a jar Hook and Emma brought back with them. As the substance came together, it formed a lady in a dazzling blue dress. Still not knowing exactly who it was, the camera panned down her arms and we saw magic shoot out of her hands, instantly freezing the ground. She then walked out of the barn looking pretty evil and freezing the ground behind her. Is that Elsa? All signs point to yes.

It’s no surprise that the creators of Once Upon a Time, Eddy Kitsis and Adam Horowitz, are huge fans of Frozen. They’ve already said they’d love to see that film (as well as Brave) worked into the complexity of the show — and Kristen Bell is even totally into that idea. It’s a little quick to have already adapted Elsa as a character on the show, but given the immense popularity of the film (aka winning an Oscar) and the fact that no other princesses can shoot snow magic from their hands, it looks like Elsa is our newest character! Get ready for Season 4!

Do you hope that it was Elsa at the end of the Season 3 finale or do you not want to see her on the show? Hit the comments and let us know what you think!

Once Upon a Time will return for Season 4 in Fall 2014.

Carson Blackwelder is an Associate Editor at Wetpaint Entertainment. Follow him on Twitter and Google+!