A giant alien lifeform, Asteros, comes to earth looking for his Herald, Blazar, but when he finds out that Black Saturn devolved Blazar into a baby monkey, he vows to destroy the earth. With the help of NASA, The League of Freedom must travel into space to save the world from Asteros's violent planet destroying machine.

After years of searching, Rex's older brother, Titanium Dax, becomes the second Subtopian ever to find his way to the earth's surface. He and his rock monster slave, Liplor, are thrilled to find that Rex is alive and well, but their reunion is soured when Dax threatens to reveal a dangerous secret about Rex's origins.