Board Thread:Spoilers!/@comment-27060727-20160225003107/@comment-24183764-20160303012142

Eskaver wrote: 'Ccording to Once Upon A Podcast spoiler post, it will appear that souls are leaving the underworld, so perhaps there's a mass prison break or something. They also mentioned that the clock tower in the Underworld was ticking away to the souls that were escaping. There's obviously some means of escape. Seems like a definite possibility that "Hell" will be unleashed in Storybrooke.