Board Thread:Wiki-Related Discussion/@comment-15736398-20141111181225/@comment-15736398-20141112003834

JesseJane wrote: The fact that the episode will later be split into two is irrelevant.

No, it's not. It's entirely relevant, because it's what brings the season up to 23 episodes.

Even if "Fall" was filmed as episode 409 and will be aired as 4x09, it will most likely actually be 4x10 when everything is said and done.