Casshan
Overview
Dr. Azuma creates robots to benefit mankind, but they unexpectedly rebel and begin to destroy everything in their paths. To deal with the catastrophe, Dr. Azuma's son volunteers to become a human robot, even though he knows he will never be able to return to human form again. He confronts this grave situation to ensure a bright future for all humans.
Casshan at a glance
Casshan is a 1973 animation and sci-fi & fantasy TV series, starring Ikuo Nishikawa, Emiko Tsukada and Osamu Kato. It has 1 season and 35 episodes. TMDB users rate it 6.6 out of 10 from 11 votes.
You can stream Casshan on HiDive. If you enjoy it, try Sailor Moon, Shin Megami Tensei: Devil Children and SHIROBAKO next.