LAST EDITED ON Nov-24-13 AT 02:32 PM (EST)
 
>I'm going to guess that Blue Harvest got binned. Azula doesn't seem to
>have any memory of it, at least.

<Oh, as if you don't know who I am,> the glacier girl spat. <The others pretended they didn't either. The old man and his minions.> She shook her head. <I don't know how long I wandered the Valley, but it can't have been long enough for people to forget the name of Fire Lord Azula.>

Five'll get you ten she's talking about the incident in Blue Harvest here. It also appears that whatever happened between when the SIO MIBs took Azula off the UGN and the point where she gets stuck in a glacier, they never bothered to defrost her. Which is really interesting.

--
Mr. Fnord