Kuroi shirei chou goukin ryakudatsu sakusen
- Episode aired Jun 10, 1973
Doctor Hell creates an iron mask with the appearance of Professor Yumi and gives it to Baron Ashura, who kidnaps the real professorDoctor Hell creates an iron mask with the appearance of Professor Yumi and gives it to Baron Ashura, who kidnaps the real professorDoctor Hell creates an iron mask with the appearance of Professor Yumi and gives it to Baron Ashura, who kidnaps the real professor