Sayaka has a new robot called Venus A after Aphrodite A was destroyed along with the submarine Salude. The Mazinger Corps, Shin Million, Shin Baion, and Shin Daion was dispatched to confront the first wave of mechanical beasts. Inspector Ankokuji appears in the Photon labs and convinces Dr. Yumi to release the Photon energy. Back at the Kurogane house, Tsubasa explains the danger and the imminent return of Kenzo Kabuto. Dr. Hell appears as a hollogram to Kouji and Tsubasa and challenges Kouji into a one-on-one fight with Baron Ashura's new robot. The Mazinger Corps arrives and tried to stop Baron Ashura to no avail. Sayaka came with Venus A and used her Z cutters and cuts Baron Ashura's robot in half. Ashura's robot electrified Venus A and reminds Kouji to accept the challenge. Sayaka was rested into Kurogane's house and overhears Boss convincing Kouji to accept the challenge. She persuades Kouji not to accept the challenge. Kouji meets up with Tsubasa for a new plan.
Ayumi Fujimura
Shiro Kabuto
Kenji Akabane
Kouji Kabuto
Kazuhiko Kishino
Dr. Hell (voice)
Atsushi Imaruoka
Ankokuji Keiji
Fumihiro Awano
Tetsuya Tsurugi
Hiroshi Naka
Yanosuke Yumi
Kaori Yamagata
Baron Ashura
Kenji Utsumi
Emperor of Darkness
Masaaki Yajima
Zeus
Masayuki Katou
Yasu the Weasel
Minoru Inaba
Count Blocken
Satsuki Yukino
Gamia Q
Seiko Tomoe
Kikunosuke
Tessyo Genda
Cross
Youko Honda
Sayaka Yumi
Miyuki Ichijou
Tsubasa Nishikiori (voice)
Taimei Suzuki
Jūzō Kabuto