
Originally Posted by
TheAbominatrix
I think it depends on what stage he was at when Yoda kills Palpatine. If you mean during the duel, after Anakin has already pledged his loyalty, I think he'd continue to be evil, and to rule the Empire. If, say, at the beginning of RotS, Palpatine was discovered and killed by Yoda, I think the outcome would have been vastly different. He still trusted the Order, moreover he still trusted Obi-Wan, so at that point I think he would have stayed on the side of the Light.