Board Thread:Speculation House/@comment-4830106-20141010002549/@comment-10390252-20141021085114

IIRC, Monty did say that some parts of volume 2 have been moved to volume 3. I suspect that RWBY will end up being anything up to 50% longer in terms of run-time due to Monty underestimating how long it would take to develop some ideas, characters and plots on-screen.