Watch Giant Robo Prologue-hen Online Avalaible Now [ FREE ] Select your Language : The pilot for GR: Giant Robo. However, there were significant changes between the pilot and the actual show, including a different writer and a different director. Thus, the special is less a promo for the series than an alternate version o... Watch movie online - EN Watch Movie trailer Download Links - EN Language SD Quality - EN HQ Quality - EN HD Quality - EN HD Quality - EN 4K Quality - EN 8K Quality - EN