I figure the one girl might run off and join Hondo's merry band of pirates before or after Order 66 hits.
I wish they had portrayed Grievous as this menacing as he was is the the last two episodes, much earlier in the show. What, did he just get upgrades to not suck as much?
IIRC, season 6 will be on Disney XD. They do year-by-year deals with Cartoon Network, but the show is produced in-house by Lucasfilm.
I think Anakin and Obi-Wan were a few years older than Ahsoka is before they were knighted. She's 16, I think. Though it might count differently for her species.