Board Thread:General Discussion/@comment-24386552-20141019001106/@comment-4287993-20141019064130

It's hard to predict a mid-season finale, but I don't think it will be a two-parter. The only thing a mid-season finale must have is a serious cliffhanger (or a couple of them), so I think they'll use the extra hour to create a two-part season finale. It may be more discoveries about Ellis/Maggie. Or maybe Derek will move to D.C. around episode 7 and something happens to him.