'Once Upon a Time' sneak peek: Rumple's prediction

As the gang on Once Upon a Time races to stop Pan from gaining full magical powers after coming into possession of the heart of the truest believer, via flashback, this week’s episode will delve into the story of Henry’s adoption. But exactly what led to Regina’s desire for a tiny bundle of her own?

A clue may be in the exclusive sneak peek below from Sunday’s episode, in which the Evil Queen pays Rumple a visit in jail, where he reveals to her a startling fact and prediction.

Check it out:

Once Upon a Time airs Sunday at 8 p.m. ET.