In order to take over the universe, Grand Duke Urman of the Principality of Xevius destroyed the Planet Aurora. Han-eul and his friends must find the Phoenix King robot.

In the far reaches of space a new star comes into being, bringing a greedy and ambitious bionic human, Alfred, whose first port of call in his quest to conquer the universe is Antarichi, a planet of peace and perfection. Kanaan, King of the city of Orion, seeks the help of Earth, who gather together a mighty force of robot warriors, the Protectors of the Universe, to put a stop to Alfred's plans for galactic destruction.

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 stands against it. The Space Thunder Kids, made up of three valiant youths, are responsible for patrolling the space and obstructing any invasion by the Dark Army. After his planet is destroyed by the Dark Army, Dr Sparta joins up with Dr Rhodes from the Guardian Army on Earth in building three giant robots to combat the imminent invasion. When the scientists are captured it is up to the Space Thunder Kids to use the robots and thwart the Dark Empire’s nefarious plans." - Official Synopsis . Made up of eight animated films from South Korea. Seven of the films were already distributed by IFD films with pre existing English dubs. The eighth film, "Iron Man Trio" (철인 삼총사) did not have a pre existing English dub from IFD .

When the evil T. Devil wants to take control of the galaxy, he enlists Andrew to help him in his quest for inter-galactic domination. Andrew starts capturing all of Earth's spaceships in order to investigate the planet. Meanwhile, on Earth, the scientists become curious about the disappearing ships and form a squad to investigate. When Andrew begins the invasion, the squad must enter into an epic space battle with the aliens with the fate of the world at stake. Can mankind overcome the awesome power of the alien invaders and save the world?