Editing, post production, etc. they also had to redo all the bumpers and some animation. Additionally MDE commissioned some animation work from other sources so they had to wait until that was done and include it in editing. On a recent PGL from September or October they briefly looked at some animatics and finalized clips. Sam mentioned that the final edited video is much more professional looking than what was previewed. Chuck and Nick agreed it looked tons better.
These things take time and it’s at the final stages now. Sam is notorious for making sure everything is perfect. Considering how lackadaisical adult swim were with some world peace stuff, I don’t blame him for utilizing complete creative control to the best of his ability