After finally defeating Gen Akizuki, in episode 38, Yutaka Daimon and Denjin Zaborger take out the last Sigma robot, in episode 39, and Yutaka Daimon at last comes face to face with his father's killer, Dr. Akunomiya.
Setelah akhirnya mengalahkan Gen Akizuki, di episode ke 38, Yutaka Daimon dan Denjin Zaborger mengambil robot Sigma terakhir, di episode 39, dan Yutaka Daimon akhirnya berhadapan langsung dengan pembunuh ayahnya, Dr. Akunomiya.