We all know the story, there was all this foreshadowing that Bumi would see Aang again "When the time was right". So, does anyone else think that the Earth Kingdom hasn't fallen, and Bumi has one last trick up his sleeve? Will Omashu be the new Ba Sing Se and save the day?
Oh yea, off topic, but, what about "Koh", is he going to play a major role in anything, or are we just going to find out he stole Lu Ten's face. In the commentary, they were all like "Oh, watch out for this guy, he's coming back."