In February 2009, Dragon Ball Z celebrated its twentieth anniversary, with Toei Animation announcing that it would broadcast a re-edited and remastered variation of the Dragon Ball Z anime less than the name Dragon Ball Kai (ドラゴンボール改, Doragon Bōru Kai, lit. Developed in a stand by itself Ren'Py edition as well, now containing episode 4 and 5, at the moment only for supporters.