When the evil Dr. Hell attacks the Earth, the mighty giant mecha Mazinger Z is formed to stop him. Showtaro Morikubo, Ai Kayano, Sumire Uesaka, Toshihiko Seki, Ami Koshimizu, Junpei Morita, Unsho Ishizuka Added on HBO 2022-06-17. Added on Amazon Prime 2022-10-17. Youtube Trailer