A lost cat, a giant talkative frog and a tsunami help a bank employee without ambition, his frustrated wife and a schizophrenic accountant to save Tokyo from an earthquake and find a meaning to their lives.
One day Doraemon, Nobita, Shizuka, Gian and Suneo were shooting a film as space heroes. When they were shooting the film in the open lot a boy called Aron comes and alerts them of aliens attacking his planet. They agree to help him by turning into real superheroes, but it isn't as easy as it looks.
France asleep in the nineteenth century, governed by steam and Napoleon VI, where scientists vanish mysteriously, a girl, Avril, goes in search of her missing scientist parents.