Ep. 6: Casshern confronts cyborg lookalike Dio who claims shared origin under Braiking Boss before the Ruin.
Aired on November 6, 2008

Dio, a cyborg fighter resembling Casshern, asserts that both were created as killing machines serving Braiking Boss prior to the Ruin. The two cyborgs engage in combat, but Lyuze intervenes to critically wound Dio, forcing him to cease fighting. Before retreating, Lyuze angrily informs Dio that Casshern must remain alive until the memories of his sins return. This confrontation highlights the shared history and conflicting fates of the two characters, with Lyuze playing a pivotal role in determining the outcome of their battle and ensuring Casshern's survival for the sake of his past.
Episodes
- Ep. 2 · Casshern encounters a robot community that accepts the Ruin before turning violent
- Ep. 3 · Casshern meets Akos, then encounters Friender before Akos dies in the sand.
- Ep. 4 · Casshern encounters the feared robot Sophita who seeks combat and destruction.
- Ep. 5 · Casshern confronts Lyuze over Luna's death while Ringo and Ohji face a robot bandit attack.
- Ep. 6 · Casshern confronts cyborg lookalike Dio who claims shared origin under Braiking Boss before the Ruin.
- Ep. 7 · Casshern encounters Lizabel, a robot building a tower with a bell to show the world's beauty.
- Ep. 8 · Casshern escorts robot singer Janice to the Bazaar to bring hope to refugees.
- Ep. 9 · Casshern falls into a robot graveyard and meets Nico, who protects a doll resembling Luna.
- Ep. 10 · Dio seeks utopia while Dune mourns Luna amidst conflict with Leda