In order to understand why Bionicle will never return look at why. First off the story became long and complex. Second as the story progressed it lost it's target age group. Third Lego ran out of ideas for story and figures. Fourth very little of Bionicle molds exist they were all destroyed. Fifth even if Bionicle did return the story would be toned down for younger kids. Sixth It would now have to compete with Hero Factory.