Board Thread:Wiki-Related Discussion/@comment-25926288-20150728124327/@comment-2153169-20150728131607

Oh, well I thought it was kinda obvious personally? Well, between the two curses, the DC was undone. So, even if they kept their memories, their SB identites were "erased". Look for example, Archie/Jiminy. Jiminy was back at his cricket form, not his human one. His human form is the SB identity, and it was undone... So back on their EF pages.

For the AU section, it is because the alternate universe is a rewrite of their EF past. In this universe, the DC never happened so even if SB existed, their SB identities and memories never existed. Look Regina or Snow, they just did not remember their lifes in SB because it never happened for them. It was just a new version of their EF past, so it has nothing to do with Storybrooke, because in this universe they were never send to the city.