Japanese superhero crossover film between the Super Sentai and Kamen Rider franchises, serving to commemorate the 10th anniversary of TV Asahi's Super Hero Time block. In the film, the protagonists of Kaizoku Sentai Gokaiger and Kamen Rider Decade attempt to stop their respective leaders from engaging in an all-out massacre of their predecessors, while also featuring supporting roles from the Go-Busters, Fourze, OOO, and Den-O
