On a lake field trip, the young Toru, along with his little sister Kaoru, who lost his father to the alien Tsuruk, finds it difficult to enjoy being on a picnic in the company of others whose parents are able to be with them.

Gen/Leo fails to save a woman, angering her lover. He must train to defeat the new threat.

The evil Alien Barabou disguises himself as Leo's younger brother to retrieve the Ultra Key, meaning the Land of Light and Earth will collide. When "Astra" arrives on Earth, he tells Leo that the Ultra brothers are after him. Will Leo see through his disguise? What will be the fate of the 2 planets?

Leo discovers the true intentions of "Astra" and must put an end to it.

A new powerful saucer creature has been summoned to earth. Two brothers have an encounter with it, but the police refuse to believe a monster is behind their accident.

Black Terrina arrives on earth, scattering pretty shells down upon Japan. Little to the humans know the evil will behind the pretty objects as they collect them.