Board Thread:Spoilers!/@comment-1916997-20151101182225/@comment-25733960-20151101224406

I think 5x12 will have a lot of mini-flashbacks like Going Home

Robin Hood/Marian: We know there will be a Robin Hood episode coming soon. So, they'll probably meet Marian in the Underworld.

Other than that, I'd guess:

-1 Hook (and maybe papa Hook) episode

-1 Belle (with Collette) episode

-Snow and her mother: In the flashback: The scene where Eva chooses Snow's name

And, near to the season finale,

A Rumple/Neal episode

Of course, there will be a couple of episodes about the new characters: Hercules, Megara and Hades