Description: Dr. Octo who researches octopodes decides to take over the world as he deems the eight legged creatures a more suitable master species than humans. To do this, he takes an idol singer Sumire Hoshino (aka Perman #3 hostage. Mitsuo Suwa (aka Perman #1 likes the idol dearly (as he doesn't know the real identity of his Perman partner and becomes so angry that he transforms to go rescue her. But fighting a giant octopus is more challenging than it looks!Screened simultaneously with Doraemon Movie 25 Nobita no Wan Nyan Jikuudeni and Doraemon Anniversary 25.