Sarah gave her doll back to Maggie.
What's going to be bizarre about that is that[spoiler]coming up in Ep #310, Sarah will have her doll back. And I haven't rewatched beyond that ep, so I don't remember if Maggie will still have the doll in a future ep. But if so, that will make things even more bizarre. But maybe Sarah has more than one doll and they all look exactly alike. And perhaps they're even all named Samantha.
[/spoiler]