and thus for castle fans the long drama is over with as abc deciced to instead of going ahead after revealing that actress stana katic would not be back as kate . which had fans wondering then if nathan fillion castle would be solo from now on. fans now were in a way spared ever knowing that as abc made it known now they decided that castle is canceled after eight seasons no and the show are now put out of their mistery over the fate of the show and its characters the show is done with . and the cast made it known they appriacated the love of the fans and are sad to see the show now done . but all things come to an end. even tv series. as castle fate at last revealed no season nine and also no castle going solo for a new love interest too.