To promote the film Ultraman Saga, two special DVDs have been released to lead up to the storyline of the film titled Ultraman Zero Gaiden: Killer the Beatstar (ウルトラマンゼロ外伝 キラー ザ ビートスター Urutoraman Zero Gaiden: Kirā za Bītosutā?). Shota Minami, Hiroyuki Konishi, Mitsutoshi Shundo, and Tao Tsuchiya reprise their roles from Ultra Galaxy Mega Monster Battle, Never Ending Odyssey, Mega Monster Battle: Ultra Galaxy, and Ultraman Zero: The Revenge of Belial in these DVDs. The film also features Jean Killer (ジャンキラー Jan Kirā?, voiced by Miyu Irino), who turns to good and becomes renamed Jean-nine (ジャンナイン Jan Nain?), created based on Jean-bot by the evil Beatstar (ビートスター Bītosutā?, voiced by Unshō Ishizuka), the primary antagonist.