Using amazing weapons powered by super-science, the international terrorist organization known as GALACTOR is out to steal all of Earth's resources for itself and its inhuman masters.  Mankind's only hope?  The International Science Organization and their elite strike force, the Science Ninja Team!  But these five young heroes will have their work cut out for them as they take on the seemingly impossible task of defeating GALACTOR's horrific arsenal of mechanized weapons of mass destruction and endless armies of henchmen.  Can costumed commandos Ken the Eagle, Joe the Condor, Jun the Swallow, Jinpei the Sparrow and Ryu the Owl really overcome such overwhelming odds?  Utilizing the incredible technology and fighting techniques created by Dr. Nambu, and with the mighty ship the God Phoenix at their command, they just might!  It's time for the bad guys to get old-schooled science-ninja style as Japan's original super team defeat evil, one flying kick at a time, in the legendary, one and only GATCHAMAN! "Includes the previously unreleased Gatchaman OVAs!"