After Snow White and company spent the better half of the third season trying to defeat Zelena (better known as The Wicked Witch of the West), you’d think the witch’s death would mean happily ever after for our fairy tale heroes. Alas, that is not how things work on ABC’s Once Upon a Time. Sunday’s 2-hour finale found Emma and Hook sent back to the past via Zelena’s time portal, witnessing our favourite fairy tales unravel all over again — and trying their best not to change the future.