Studio Soeisha - Yūsha Raideen (1975) Original animation cel Reideen the Brave (勇者ライディーン, Yūsha Raidīn), also known as "Brave Raideen" or "Heroic Raydeen", is a super robot anime series created by Tohokushinsha and Produced by Soeisha (later renamed as Sunrise). It aired on Nihon Educational Television (now TV Asahi) from 4 April 1975 to 26 March 1976, with a total of 50 episodes. The series is marked as the first mecha anime series to introduce and popularize the concept of Transforming Mecha, which is also tied to its marketing gimmick in the 1970s. Original hand drawn by the animators for the production of one episode of this famous serie. See images, very good condition.