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Lodestar and Rath. that is it no more only in season 4 there will be more new aliens

actually, Chromastone was destroyed by Vilgax and Ben used its remains to reform Diamondhead. He also managed to get Ghost Freak back and can now control it. As far as I know, everything else is the same. Except for the addition of Lodestar and Rath, of course :)Also, season 3 is the end of Ben 10:Alien Force. It will be followed by a new series called Ben 10:Evolution. Ben will get a new watch called the Ultimatrix and have loads of new aliens