Gatchaman: Only One Earth

We have one life on one earth. For some, that means destroying; for others, it means protecting. Make your choice. Berg Katse pollutes and plunders the country of Atrena to obtain rare mythical elements that enable a psychic link between weaponized mech and their Galactor pilots. Meanwhile, Joe and Ken s friendship is tested during their mission to rescue Atrena's royal princess, all while the Science Ninja Team discovers an ancient underground temple that holds the secret to defeating Galactor once and for all.