David a young Ninja is recruited by his master to steal the formula for a viral weapon. He is pilled against two wily opponents - a KGB operative and Martin who has kidnapped the scientist who destroyed millions of lives through his bacterial experimentation in World War II and has developed the new lethal serum. Martin's intentions are not honest he wants the virus for himself in his bid to dominate the world.
Siporta, the space conqueror, has captured the only being in the universe that can stop him: the Canon Robot. Unable to control it, he decides to melt it down and use the parts to create his own combat robot. Now the people of Earth are in a race against time to save the Canon Robot from destruction so that they can use it to defeat the otherwise invulnerable Siporta.
When a space renegade, Tonga, threatens the Earth, a crew of shrunken people and robots must be injected into the comatose body of the only girl who can direct a successful counterattack.
Nicholas, a ruler of the Zinba Empire, wants to expand his territory and Earth is his main target. After Nicholas destroys City Orion and Earth's defences, three youngsters must find the Phoenix King, the only hope for Earth's survival against this all-conquering foe.
The Dark Empire is determined to conquer the Universe and get rid of anyone who acts against it. The Space Thunder Kids, made up of three valiant youths, are responsible for patrolling space and obstructing the invasion of the Dark Army.
Dr. Samson, inventor of the Hyper Travelling system, has disappeared along with his invention during an experiment on the planet Leo, and it looks like the work of the Zoic Empire. The Earth Defence Force sends Superior Falcon 7 to rescue the scientist and save the Universe from certain catastrophe. There is no silver lining in the race, only the winner survives.
Three youngsters, Kenny, Jane and Ben, are contacted by Oska, the leader of planet Orion which has been conquered by the evil Kaneba. Using their special powers of Tempest, Cyclone and Thunder, they must unite with the Robot King to defend Earth from this ruthless invading force and defeat Kaneba's agent Dorato.
