Robot Detective is a tokusatsu superhero TV series. Created by Shotaro Ishinomori, the series was produced by Toei Company Ltd., and broadcast on Fuji TV from April 5 to September 27, 1973, with a total of 26 episodes. The hero of this series is a robot named "Robot Detective K", who has no human form, but when not in battle, dresses up in human clothes and has a human-like personality Along with Android Kikaider Robotto Keiji was one of the early predecessors to what would become the Metal Hero Series of programs featuring human-sized cyborg heroes..